Programming Fundamentals 1: Exam 1 (Ch 1-3)
This is a complete instruction that causes the computer to perform some action: -line -variable -statement -None of these -key word
statement
Why were computer programming languages invented?
To ease the task of programming. Programs may be written in a programming language, and then converted to machine language.
A common practice for getting unique seed values is to call the time function which returns the number of seconds that have elapsed since midnight, Jan 1, 1970 -True/False
True
A named constant is like a variable, but it its content cannot be changed while the program is running. True/False
True
A value is stored in a variable with an assignment statement. -True/False
True
C++ does not have a built-in data type for storing strings of data. True/False
True
Escape sequences are always stored internally as a single character. -True/False
True
Floating point constants are normally stored in memory as doubles. -True/False
True
Floating point constants are normally stored in memory as doubles. True/False
True
In C++, key words are written in all lowercase letters. -True/False
True
In order to get results that are not pseudorandom, the rand() and srand() functions must be used. srand() accepts an unsigned int as a seed value for the algorithm -True/False
True
It is easier to write a program in a high-level language than in machine language because high-level languages are more like "natural" speech. -True/False
True
Programming style refers to the way a programmer uses elements such as identifiers, spaces, and blank lines. True/False
True
The CPU is the most important component in a computer because without it, the computer could not run software. -True/False
True
The arguments that you pass to the pow function as well as the variable used to store the pow's return value should be doubles -True/False
True
The cin >> statement will stop reading input when it encounters a newline character. -True/False
True
The only difference between the get function and the >> operator is that get reads the first character typed, even if it is a space, tab, or the [Enter] key. -True/False
True
The precedence of combined assignment operators is lower than that of regular math operators -True/False
True
The time function requires the <ctime> header file and 0 must be the argument of the function -True/False
True
Which of the following statements correctly defines a named constant named TAX_RATE that holds the value 0.075? -double TAX_RATE = 0.075; -const TAX_RATE; double TAX_RATE = 0.075; -const TAX_RATE = 0.075; -double TAX_RATE; const TAX_RATE = 0.075; -const double TAX_RATE = 0.075;
const double TAX_RATE = 0.075;
Why is the computer used by so many different people, in so many different professions?
Because the computer can be programmed to do so many different tasks
What will the following code display? cout << "Four\n" << "score\n"; cout << "and" << "\nseven"; cout << "\nyears" << " ago" << endl; -Four score and seven years ago -Four score and seven years ago -Four score and seven years ago -Four score and seven years ago
Four score and seven years ago
Which type of file is ready to run, containing the machine language code translated from the programmer's source file, as well as the code for any library routines.
Executable file
In C++, it is impossible to display the number 34.789 in a field of 9 spaces with 2 decimal places of precision. -True/False
False
Machine language is an example of a high-level language. -True/False
False
The preprocessor executes after the compiler. -True/False
False
When a program uses the setw manipulator, the iosetwidth header file must be included in a preprocessor directive. -True/False
False
_______________ languages are close to the level of humans in terms of readability _______________ languages are close to the level of the computer
High-level, Low-level
The ________ is(are) used to display information on the computer's screen. -opening and closing quotation marks -cout object -opening and closing braces -None of these -backslash
cout object
To use the rand()function, you must include the ________ header file? -cstdlib -cstring -iostream -cmath -iomanip
cstdlib
When a user types values at the keyboard, those values are first stored -as ASCII characters -in the header file iostream -in the keyboard buffer -as integers -None of these
in the keyboard buffer
The numeric data types in C++ can be broken into two general categories which are -numbers and characters -singles and doubles -integers and floating-point numbers -real and unreal numbers -numbers and literals
integers and floating-point numbers
Words that have special meaning in a programming language
key words
This manipulator causes the field to be left justified with padding spaces printed to the right: -left_justify -right -left -left_pad -None of these
left
Associativity is either right to left or -top to bottom -front to back -left to right -undeterminable -None of these
left to right
Which of the following statements correctly assigns the character M to the variable named letter? -letter = 'M'; -letter = "M"; -letter = (M); -letter = M -letter = M;
letter = 'M';
Data items whose values do NOT change while the program is running are -literals -characters -None of these -variables -integers
literals
In memory, C++ automatically places a(n) ________ at the end of string literals which ________. -bracket, marks the end of the string -None of these -null terminator, marks the end of the string -\n, indicates an escape sequence -semicolon, indicates the end of the statement
null terminator, marks the end of the string
When a variable is assigned a number that is too large for its data type, it -underflows -overflows -reverses -converts -None of these
overflows
A statement that starts with a hashtag (or pound) symbol (#) is called a -comment -header file -function -preprocessor directive -None of these
preprocessor directive
Which of the following functions will return the value of x, rounded to the nearest whole number? -abs(x) -fmod(x) -sqrt(x) -round(x) -whole(x)
round(x)
A variable's ________ is the part of the program that has access to the variable. -assignment -scope -None of these -value -data type
scope
You can control the number of significant digits in your output with the ________ manipulator. -setprecision -set_precision -to_fixed -setfixed() -None of these
setprecision
This manipulator is used to establish a field width for the value that follows it: -field_width -set_field -setw -iomanip -None of these
setw
Computer programs are also known as -firmware -software -Any of these -hardware -None of these
software
The general format for type cast expressions is _____________________
static_cast<DataType>(Value)
In the following statement, the characters Hello! are a(n) cout << "Hello!"; -variable -comment -None of these -object -string literal
string literal
Rules that must be followed when constructing a program
syntax
When the final value of an expression is assigned to a variable, it will be converted to -the smallest C++ data type -the largest C++ data type -the data type of the variable -the data type of the expression -None of these
the data type of the variable
When C++ is working with an operator, it strives to convert operands to the same type. This is known as -type correction -type conversion -promotion -demotion -None of these
type conversion
Which part of the following line is ignored by the compiler? double userName = "janedoe"; // user's name is janedoe -user's name is -"janedoe" -user's name is janedoe -// -None of these
user's name is janedoe
A named storage location in the computer's memory that holds a piece of information is a(n): -key word -variable -operator -statement -None of these
variable
You must have a ________ for every variable you intend to use in a program. -None of these -purpose -memory space -variable definition -literal value
variable definition
What is the value of x after the following code executes? int x; x = 3 / static_cast<int>(4.5 + 6.4); -0.3 -0 -0.275229 -3.3 -None of these
0
What is output of the following statement? cout << 4 * (15 / (1 + 3)) << endl; -12 -None of these -72 -63 -15
12
Because C++ is case-sensitive, all programs must have a function called main or Main. True/False
False
C++ 11 introduced an alternative way to define variables, using the template key word and an initialization value. -True/False
False
If you want to know the length of the string that is stored in a string object, you can call the object's size member function. -True/False
False
In C++ you are required to name your variables so they indicate the purpose they will be used for. -True/False
False
The programmer usually enters source code into a computer with -a text editor -a compiler -a hierarchy chart -None of these -pseudocode
a text editor
A _____________________ lets you manually promote or demote a value
type cast expression
Word processing programs, spreadsheet programs, e-mail programs, web browsers, and game programs belong to what category of software?
application software
The numbers or values inside the parentheses in a function are ______________________
arguments
A(n) ________ is a set of instructions that the computer follows to solve a problem. -None of these -linker -program -compiler -operator
program
Words or names defined by the programmer
programmer-defined symbols
A _________________ is a logical error that occurs while the program is running
runtime error
A model often used when creating a program that begins with the overall task and refines it into smaller subtasks is a(n) -hierarchy chart -flowchart -UML diagram -blueprint -None of these
hierarchy chart
Information a program gathers from the outside world
input
The header file that is needed for the setw, setprecision, fixed, showpoint, and left and right manipulators is_________________
iomanip
Mistakes that cause a running program to produce incorrect results are called: -logic errors -compiler errors -syntax errors -linker errors -None of these
logic errors
Mistakes that cause a running program to produce incorrect results are called: -syntax errors -None of these -linker errors -logic errors -compiler errors
logic errors
Character constants in C++ are always enclosed in -single quotation marks ( ' ' ) -braces ( { } ) -brackets (< >) -Any of these -pound sign and semicolon ( # ; )
single quotation marks ( ' ' )
The float data type is considered ________ precision and the double data type is considered ________ precision. -single, double -double, single -floating-point, double -floating-point, integer -None of these
single, double
A _______________ error is the misuse of a key word, operator, punctuation, or other part of the programming language. A ________________ error is a mistake that causes the program to produce the wrong results.
syntax, logical
The ________ operator always follows the cin object, and the ________ operator follows the cout object. -binary, unary -conditional, binary ->>, << -<> -None of these
>>, <<
An Integrated Development Environment (IDE) typically consists of -All of these -a text editor -None of these -a debugger -a compiler
All of these
Programs are often referred to as hardware. -True/False
False
Pseudocode is a form of a program statement that will always evaluate to "false." -True/False
False
The fixed manipulator causes a number to be displayed in scientific notation. -True/False
False
The following statement will output $5.00 to the screen: cout << setprecision(5) << dollars << endl; -True/False
False
In C++11, if you want an integer literal to be treated as a long long int, you can append ________ at the end of the number. -LONG LONG -<LONG> -LL -L -<L L>
LL
________________ is the only language computers really process.
Machine language
What will the following code display? cout << "Monday"; cout << "Tuesday"; cout << "Wednesday"; -"Monday" "Tuesday" "Wednesday" -"Monday" "Tuesday" "Wednesday" -Monday Tuesday Wednesday -Monday Tuesday Wednesday -MondayTuesdayWednesday
MondayTuesdayWednesday
The preprocessor reads a program before it is compiled and only executes those lines beginning with # symbol. -True/False
True
The setw manipulator only establishes a field width for the value immediately following it, and after that value is printed, cout goes back to its default method of printing -True/False
True
The term "bit" stands for binary digit. -True/False
True
When C++ is working with an operator, it strives to convert the operands to the same type. -True/False
True
cin requires the user to press the Enter key when finished entering data True/False
True
What do you call a program that performs a specialized task, such as a virus scanner, a file-compression program, or a data-backup program
a utility program
Arithmetic operators that share the same precedence have right to left associativity -True/False
False
A CPU only understands machine language instructions. -True/False
True
Which of the following lines must be included in a program that has string variables? -None of these -#include <string> -string var; -#include (string class) -#include namespace std;
#include <string>
The ________ causes the content of another file to be inserted into a program. -None of these -semicolon (;) -#include directive -cout object -double slash (//)
#include directive
Select all that apply. Using C++11: Which of the following can be used to initialize an integer variable named dozen with the value of 12? -int dozen(12); -int dozen = 12; -int dozen = (12); -int dozen = {12}; -int dozen {12};
-int dozen(12); -int dozen = 12; -int dozen {12};
What is the value of cube after the following code executes? double cube, side; side = 5.0; cube = pow(side, 3.0); -25.0 -15.0 -125.0 -8.0 -unknown
125.0
What is the value of x after the following code executes? int x = 0; int y = 5; int z = 4; x = x + y + z * 2; -18 -0 -13 -26 -unknown
13
What will the following code display? int x = 23, y = 34, z = 45; cout << x << y << z << endl; -xyz -23 34 45 -23 34 45 -233445
233445
What is the value stored in the variable myNum after the following assignment statement executes? myNum = 23 % 5 -115 -4 -3 -None of these -4.6
3
What will the following code display? cout << "Roses " << "are red"; cout << "and " << "violets/n" cout << "are" << "blue" << endl; -Roses are redand violets/nareblue -Roses are red and violets/n are blue -Roses are red and violets are blue -Roses are red and violets/nare blue
Roses are redand violets/nareblue
What will the following code display? int number = 23; cout << "The number is " << "number" << endl; -The number is -The number is null -The number is number -The number is 23 -The number is23
The number is number
The data type of a variable whose value can be either true or false is -T/F -binary -int -Boolean -bool
bool
Which of the following will allow the user to input the values 15 and 20 and have them stored in variables named base and height, respectively? -cin << base << height; -cin base, height; -cin >> base >> height; -cin base >> cin height; -None of these
cin >> base >> height;
The ________ causes a program to wait until information is typed at the keyboard and the [Enter] key is pressed. -output stream -cin object -cout object -preprocessor -None of these
cin object
A(n) _____________ is an example of a secondary storage device
disk
Using C++11: What data type does the compiler determine for the variable cost in the following statement? auto cost = 14.95; -int -char -double -bool -string
double
Using C++11: What data type does the compiler determine for the variable cost in the following statement? auto cost = 14.95; -int -string -double -char -bool
double
Which of the following defines a double-precision floating-point variable named payCheck? -double payCheck; -float payCheck; -Double payCheck; -payCheck double;
double payCheck;
Which of the following defines a double-precision floating-point variable named payCheck? -double payCheck; -payCheck double; -Double payCheck; -float payCheck;
double payCheck;
In memory, C++ automatically places a(n) ________ at the end of string literals which ________. -\n, indicates an escape sequence -semicolon, indicates the end of the statement -null terminator, marks the end of the string -None of these -bracket, marks the end of the string
null terminator, marks the end of the string
Besides the decimal number system that is most common (base 10), two other number systems that can be used in C++ programs are -octal and fractal -base 2 and binary -octal and hexadecimal -base 2 and base 4 -None of these
octal and hexadecimal
What will be displayed after the following statements execute? int num1 = 5; int num2 = 3; cout << "The result is " << (num1 * num2 + 10) << endl; -The result is 5 * 3 + 10 -The result is (num1 * num2 + 10) -The result is 25 -The result is 65 -None of these
The result is 25
What will be the output after the following lines of code execute? bool choice; choice = true; cout << "Your choice is " << choice << endl; -Your choice is choice -None of these -true -Your choice is 1 -Your choice is true
Your choice is 1
Which control sequence is used to skip over to the next horizontal tab stop? -\b -\n \' -end1 -\t
\t
Which step uncovers any syntax errors in your program? -executing -compiling -None of these -linking -editing
compiling
Which data type typically requires only one byte of storage? -char -float -string -int -short
char
Which of the following statements will pause the screen until the [Enter] key is pressed? -cin; -cin.getline(); -cin.get(); -cin.ignore(); -cin.input();
cin.get();
Which of the following statements will allow the user to enter three values to be stored in variables length, width, and height, in that order? -cin << length, width, height; -cin.get(height, width, length); -cin.get(length, width, height); -cin >> length; width; height; -cin.get(length >> width >> height);
cin.get(length, width, height);
Which of the following functions tells the cin object to skip one or more characters in the keyboard buffer? -cin.ignore -cin.jump -cin.hop -cin.skip -None of these
cin.ignore
The first step in writing a program is to -clearly define what the program is to do -visualize logical errors -None of these -type the code -visualize the program running on a computer
clearly define what the program is to do
For every opening brace ({) in a C++ program, there must be a -None of these -string literal -closing brace -function -comment
closing brace
The function pow(x, y), requires which header file? -cstdlib -cstring -iostream -cmath -iomanip
cmath
The header file needed for special mathematical library functions such as the pow, cos, abs, log, fmod, round, and sqrt functions is ________________
cmath
In a cout statement, which of the following will advance the output position to the beginning of the next line? -\n or \t -endl or \n -end1 or /n -\t or \b -\\ or \'
endl or \n
The CPU's control unit fetches the program's next instruction from main memory
fetch
The CPU's control unit retrieves the next instruction in a sequence of program instructions from main memory in the ________ stage. -decode -fetch -portability -execute
fetch
This manipulator forces cout to print digits in fixed-point notation: -setprecision(2) -setw(2) -fixed -setfixed(2) -None of these
fixed
The data type used to declare variables that can hold real numbers is -short -char -double -float -int
float
The way a value is printed is called its _______________
formatting
Every complete C++ program must have a -function named main -cout statement -symbolic constant -None of these -comment
function named main
________ reads a line of input, including leading and embedded spaces, and stores it in a string object. -cin.get -getline -cin.getline -get -None of these
getline
Which of the following statements will read an entire line of input into the string object, address? -cin << address; -cin address; -cin.get(address); -getline(cin, address); -cin.get(length >> width >> height);
getline(cin, address);
A debugging process where you, the programmer, pretend you are a computer and step through each statement while recording the value of each variable at each step is known as -error checking -hand writing -hand tracing -error handling -None of these
hand tracing
A diagram that graphically illustrates the structure of a program
hierarchy chart
A variable definition defines the name of a variable that will be used in a program, as well as: -the number of times it will be used in the program -None of these -the type of data it will be used to hold -the value it will hold -the operators that will be used on it
the type of data it will be used to hold
Which of the following is NOT a valid C++ identifier? -theLittleBrownFoxWhoRanAway -1user -_1user -employee_number -April2018
1user
What is the value of cookies after the following statements execute? int number = 38, children = 4, cookies; cookies = number % children; -.5 -2 -9 -4 -9.5
2
What is the value of number after the following statements execute? int number = 10; number += 5; number -= 2; number *= 3; -3 -30 -39 -2 -None of these
39
What is the value of number after the following statements execute? int number; number = 18 % 4 + 2; -4 -unknown -0 -3 -6.5
4
What is the value of number after the following statements execute? int number; number = 18 / 4; -0 -4.5 -4 -2 -unknown
4
What is the value of number after the following statements execute? int number; number = 18 / 4; -2 -4 -unknown -4.5 -0
4
What is the value of average after the following code executes? double average; average = 1.0 + 2.0 + 3.0 / 3.0; -2.0 -3.0 -4.0 -2 -unknown
4.0
How many characters will the following statement read into the variable myString? cin >> setw(10) >> myString; -9 -10 -11 -however many characters are in myString -None of these
9
Internally, the CPU consists of the _________________ and the _____________________
Arithmetic Logic Unit (ALU) and Control Unit
________________________, also known as compound operators and arithmetic assignment operators, are in such statements as number += 1 (number = number +1)
Combined assignment operators
What is TRUE about the following statement? cout << setw(4) << num4 << " "; -It allows four spaces for the value in num4. -It outputs "setw(4)" before the value in num4. -It is incorrect because it should use setw(10). -It is incorrect because it should use setw(num4).
It allows four spaces for the value in num4.
___________________ means to assign the same value to several variables with one statement such as a = b = c = 12;
Multiple assignment
When sending an expression that consists of an operator to cout, it is always a good idea to put parentheses around the expression b/c some advanced operators will yield unexpected results otherwise -True/False
True
When the fixed manipulator is used, the value specified by the setprecision manipulator will be the number of digits to appear after the decimal point. -True/False
True
When typing your source code into the computer, you should be careful since most of your C++ instructions, header files, and variable names are case sensitive. -True/False
True
With most compilers, trailing zeros are displayed when the setprecision and fixed manipulators are used together -True/False
True
You can limit the range of random numbers by using y = (rand() % (maxValue - minValue + 1)) + minValue; -True/False
True
Select all that apply. Which of the following statements is(are) TRUE about named constants? -The content of a named constant is read-only. -None of these -A named constant is defined using the const qualifier. -A named constant must be all uppercase. -The value of a named constant cannot be changed while the program is running.
-The content of a named constant is read-only. -A named constant is defined using the const qualifier. -The value of a named constant cannot be changed while the program is running.
How many operands does each of the following types of operators require? _____ Unary _____ Binary _____ Ternary
1, 2, 3
Place the steps for writing a program in the correct order. -Clearly define what the program is to do -Use design tools such as a hierarchy chart, flowcharts, or pseudocode to create a model of the program. -Check the model for logical errors. -Correct any errors found during compilation. Save, compile and correct additional errors as needed. -Type the code, save it, and compile it. -Visualize the program running on the computer. -Validate the results of the program. -Run the program with test data for input. -Correct any errors found while running the program. Repeat Steps 5 through 8 as many times as necessary.
1. Clearly define what the program is to do. 2. Visualize the program running on the computer. 3. Use design tools such as a hierarchy chart, flowcharts, or pseudocode to create a model of the program. 4. Check the model for logical errors. 5. Type the code, save it, and compile it. 6. Correct any errors found during compilation. Save, compile and correct additional errors as needed. 7. Run the program with test data for input. 8. Correct any errors found while running the program. Repeat Steps 5 through 8 as many times as necessary. 9. Validate the results of the program.
At the heart of a computer is its central processing unit. The CPU's job is: -None of these -to produce some outcome or resultant information -to fetch instructions -All of these -to carry out the operations commanded by the instructions
All of these
A multi-line comment -begins with /* and ends with */ -All of these are true -allows everything in the selected lines to be ignored -can be used to mark as many lines as desired as comments
All of these are true
What type of software controls the internal operations of the computer's hardware? -A database -An operating system -The computer's WYSIWYG system -The RAM
An operating system
What is the difference between system software and application software? -Application software must be installed at the factory before a computer is shipped. An operating system can be installed by consumers. -An operating system is specific to the brand of the computer being used. Application software can be installed on computers of any brand. -An operating system is a set of programs that manages the computer's hardware devices and controls their processes. Application software consists of programs that users use to solve specific problems or perform general operations. -Application Software is a set of programs that manages the computer's hardware devices and controls their processes. An operating system consists of programs that users use to solve specific problems or perform general operations.
An operating system is a set of programs that manages the computer's hardware devices and controls their processes. Application software consists of programs that users use to solve specific problems or perform general operations.
Which of the following best describes an operator? -An operator allows you to perform operations on one or more pieces of data. -An operator is a symbolic name that refers to a variable. -An operator marks the beginning or ending of a statement, or is used to separate items in a list. -An operator is a word that has a special meaning. -An operator is a rule that must be followed when constructing a program.
An operator allows you to perform operations on one or more pieces of data.
Which of the following best describes an operator? -An operator marks the beginning or ending of a statement, or is used to separate items in a list. -An operator is a symbolic name that refers to a variable. -An operator allows you to perform operations on one or more pieces of data. -An operator is a word that has a special meaning. -An operator is a rule that must be followed when constructing a program.
An operator allows you to perform operations on one or more pieces of data.
The job of the ______________ is to fetch instructions, carry out the operations commanded by the instructions, and produce some outcome or resultant information.
CPU
The ________ decodes an instruction and generates an electronic signal. -None of these -Main memory -Control Unit -BIOS -Arithmetic and Logic Unit
Control Unit
In programming, the terms "line" and "statement" always mean the same thing. -True/False
False
Both main memory and secondary storage are types of memory. Describe the difference between the two. -Main memory, or RAM, is volatile, which means its contents are erased when power is removed from the computer. Secondary memory, such as a disk, does not lose its contents when power is removed from the computer. -Secondary memory loses its contents when power is removed from the computer. Main memory does not lose its contents when power is removed from the computer. -Main memory has unlimited storage capabilities while secondary storage typically has less storage capability. -The differences that used to exist do not exist in modern computers.
Main memory, or RAM, is volatile, which means its contents are erased when power is removed from the computer. Secondary memory, such as a disk, does not lose its contents when power is removed from the computer.
Which type of file contains machine language instructions but no library routines that may be necessary to the program? -Executable file -Object file -Data file -XML file
Object file
A volatile type of memory that is used for temporary storage is -None of these -the ALU -RAM -a disk drive -an address
RAM
In the process of translating a source file into an executable file, which of the following is the correct sequence? -Source code, linker, object code, compiler, modified source code, preprocessor, executable code. -Source code, preprocessor, modified source code, compiler, object code, linker, executable code. -Source code, preprocessor, modified source code, linker, object code, compiler, executable code -Preprocessor, source code, compiler, executable code, linker, modified source code, object code -Source code, compiler, modified source code, preprocessor, object code, linker, executable code.
Source code, preprocessor, modified source code, compiler, object code, linker, executable code.
_______________ contains program statements written by the programmer. _______________ contains machine language instructions, generated by the compiler translated from the source file. _______________ contains code ready to run on the computer. Includes the machine language from an object file, and the necessary code from library routines.
Source file, Object file, Executable file
List the 5 major hardware components of a computer system.
The Central Processing Unit (CPU), main memory, secondary storage devices, input devices, output devices
On any computer, which data type uses more memory, an integer or an unsigned integer?
They both use the same amount of memory
Which of the following literals uses more memory? 20 or 20L
They both use the same amount of memory
Software engineering is a field that encompasses designing, writing, testing, debugging, documenting, modifying, and maintaining computer programs. -True/False
True
A set of well-defined steps for performing a task or solving a problem is known as a(n): -statement -instruction set -algorithm -hierarchy chart -None of these
algorithm
________ are used to translate each source code instruction into the appropriate machine language instruction. -preprocessor directives -None of these -modules -runtime libraries -compilers
compilers
During which stage does the central processing unit analyze the instruction and encode it in the form of a number, and then generate an electronic signal? -fetch -portability -decode -execute
decode
The control unit decodes the instruction, which is encoded in the form of a number. An electrical signal is generated
decode
The programming process consists of several steps, which include: -key words, operator definitions, punctuation -input, processing, output -None of these -design, creation, testing, debugging -syntax, logic, error handling
design, creation, testing, debugging
The term that refers to the programmer reading the program from the beginning and stepping through each statement is -spot checking -software engineering -pseudocoding -None of these -desk checking
desk checking
A character literal is ________, whereas a string literal is ________ -None of these -enclosed in brackets, enclosed in quotation marks -enclosed in quotation marks, enclosed in brackets -enclosed in single quotation marks, enclosed in double quotation marks -enclosed in double quotation marks, enclosed in single quotation marks
enclosed in single quotation marks, enclosed in double quotation marks
The signal is routed to the appropriate component of the computer, which causes a device to perform an operation
execute
A computer stores a program while it is running -in the CPU -in main memory -None of these -on a hard disk -on the computer monitor
in main memory
Three primary activities of a program are: -variable definitions, operators, lists of key words -None of these -integer, floating-point, character definitions -input, processing, output -lines, statements, punctuation
input, processing, output
A program is a set of____________
instructions
The numeric data types in C++ can be broken into two general categories which are -singles and doubles -real and unreal numbers -numbers and characters -integers and floating-point numbers -numbers and literals
integers and floating-point numbers
Words that have a special meaning and may be used only for their intended purpose are known as -None of these -operators -key words -syntax -programmer defined words
key words
Programs written in a high-level language must be translated into machine language before they can be run because they can only process___________________
machine language instructions
Assuming that a program has the following string object definition, which statement correctly assigns the string literal "Jane" to the string object? -string name = <Jane>; -string name = {Jane}; -name = 'Jane'; -name = "Jane"; -name = Jane;
name = "Jane";
The two general categories of software are __________ and __________.
operating systems (system software), application software
Characters or symbols that perform operations on one or more operands are: -key words -operators -op codes -None of these -separators
operators
Characters or symbols that perform operations on one or more operands.
operators
Information a program sends to the outside world
output
A computer monitor is a type of -storage device -software -input device -output device -None of these
output device
A program's ability to run on several different types of computer systems is called_________________
portability
Means that a program may be written on one type of computer and run on another type
portability
The _________________ reads the source file searching for commands that begin with the # symbol. These are commands that cause the preprocessor to modify the source file in some way. The ________________ translates each source code instruction into the appropriate machine language instruction, and creates an object file. The ______________ combines the object file with necessary library routines.
preprocessor, compiler, linker
Which of the following is NOT a common input device -mouse -printer -digital camera -keyboard -All are common input devices
printer
The two methods used by C++ to write computer programs are: -top-down programming and procedural programming -None of these -procedural programming and object-oriented programming -pseudocoding and object-oriented programming -flowcharting and procedural programming
procedural programming and object-oriented programming
Computers can do many different jobs because they can be________________
programmed
Characters or symbols mark the beginning or end of programming statements, or separate items in a list
punctuation
This is used in a program to mark the beginning or ending of a statement, or separate items in a list: -operators -punctuation -key words -None of these -separators
punctuation
A variable's ________ is the part of the program that has access to the variable. -scope -None of these -data type -value -assignment
scope
Programs are normally stored in ________ and loaded into main memory as needed -the output device -None of these -secondary storage -the input device -the CPU
secondary storage
When a programmer saves to a file the statements he or she writes to create a program, these statements are -source code -None of these -a preprocessor file -high level -object code
source code
This is a set of rules that must be followed when constructing a program: -operators -punctuation -identifiers -syntax -key words
syntax
The two parts of the CPU are -the single-task device and the multi-task device -the Control Unit and the Arithmetic and Logic Unit -the software and the hardware -None of these -the output device and the input device
the Control Unit and the Arithmetic and Logic Unit
In a C++ program, two slash marks (//) indicate -the beginning of a comment -None of these -the beginning of a block of code -the end of a statement -the end of a program
the beginning of a comment
Which of the following must be included in any program that uses the cout object? -None of these -the header file iostream -comments -opening and closing braces -a namespace
the header file iostream
What does the term hardware refer to? -the logical flow of instructions -the relative difficulty of writing computer programs -None of these -the way a computer's storage space is organized -the physical components that make up a computer
the physical components that make up a computer
Which of the following is NOT one of the major components of a computer system? -main memory -secondary storage -input/output devices -the CPU -the preprocessor
the preprocessor
The purpose of a memory address is: -to prevent multitasking -to improve the speed of processing -to obtain an algorithm -to identify the location of a byte in memory -None of these
to identify the location of a byte in memory
A named storage location
variable
