Final Exam C++ Part 1
byte
A sequence of eight bits is called a ____.
Double
An example of a floating point data type is____.
False
The command that does the linking on Visual C++ 2012 Express and Visual Studio 2012 is Make or Remake. True or False
False
The device that stores information permanently (unless the device becomes unusable or you change the information by rewriting it) is called primary storage. True or False
Input
The devices that feed data and programs into computers are called ____ devices.
Comments
____________________ can be used to identify the authors of the program, give the date when the program is written or modified, give a brief explanation of the program, and explain the meaning of key statements in a program.
Programming
____________________ is the process of planning and creating a program.
High-Level
____________________ languages include FORTRAN, COBOL, Pascal, C, C++, and Java.
Semantic
____________________ rules determine the meaning of instructions.
Preprocessor
In a C++ program, statements that begin with the symbol # are called ____________________ directives.
Objects
In object-oriented design, the first step in the problem-solving process is to identify the components called ____________________, which form the basis of the solution, and to determine how they interact with one another.
True
Information stored in main memory must be transferred to some other device for permanent storage. True or False
CPU
The ____ is the brain of the computer and the single most expensive piece of hardware in your personal computer.
False
A mixed arithmetic expression contains all operands of the same type. True or False
Linker
A program called a(n) ____ combines the object program with the programs from libraries.
Loader
A program that loads an executable program into main memory is called a(n) ____.
128
The ASCII data set consists of ____________________ characters.
C
The programming language C++ evolved from ____.
String
A _________ is a sequence of zero or more characters.
Variable
A __________ is a memory location whose contents can be changed.
Subprogram Function Module
A _____________ is a collection of statements, and when it is activated, or executed, it accomplishes something. (more than one correct answer)
False
A comma is also called a statement terminator. True or False
Mnemonics
Assembly language uses easy-to-remember instructions called ____________________.
False
C++ programs have always been portable from one compiler to another. True or False
Sunny Day
Choose the output of the following C++ statement: cout << "Sunny " << '\n' << "Day " << endl;
Insertion Point 1
Consider the following code. // Insertion Point 1 using namespace std; const float PI = 3.14; int main() { //Insertion Point 2 float r = 2.0; float area; area = PI * r * r; cout << "Area = " << area <<endl; return 0; } // Insertion Point 3 In this code, where does the include statement belong?
Structured
Dividing a problem into smaller subproblems is called ____ design.
Memory cells
Main memory is an ordered sequence of items, called ____.
Random Access Memory
Main memory is called ____.
True
Main memory is directly connected to the CPU. True or False
mainframe, midsize, and micro
Several categories of computers exist, such as ____.
beta = beta + 1; alpha = beta;
Suppose that alpha and beta are int variables. The statement alpha = ++beta; is equivalent to the statement(s) ____.
beta = beta - 1; alpha = beta;
Suppose that alpha and beta are int variables. The statement alpha = --beta; is equivalent to the statement(s) ____.
alpha = beta; beta = beta + 1;
Suppose that alpha and beta are int variables. The statement alpha = beta++; is equivalent to the statement(s) ____.
alpha = beta; beta = beta - 1;
Suppose that alpha and beta are int variables. The statement alpha = beta--; is equivalent to the statement(s) ____.
False
The escape sequence \r moves the insertion point to the beginning of the next line. True or False
13
The expression static_cast<int>(6.9) + static_cast<int>(7.9) evaluates to ____.
9
The expression static_cast<int>(9.9) evaluates to ____.
16
The length of the string "computer science" is ____.
Implicit
When a value of one data type is automatically changed to another data type, a(n) ____________________ type coercion is said to have occurred.
False
When the computer is turned off, everything in secondary memory is lost. True or False
char
Which of the following is a reserved word in C++?
Prompt lines
____ are executable statements that inform the user what to do.
2
Suppose that count is an int variable and count = 1. After the statement count++; executes, the value of count is ____.
sum = 15
Suppose that sum and num are int variables and sum = 5 and num = 10. After the statement sum += num executes, ____.
True
Suppose that sum is an int variable. The statement sum += 7; is equivalent to the statement sum = sum + 7; True or False
Object
A(n) ____ consists of data and the operations on those data
True
If a C++ arithmetic expression has no parentheses, operators are evaluated from left to right. True or False
Class
In C++, the mechanism that allows you to combine data and operations on the data into a single unit is called a(n) ____________________.
Object-oriented
In ____________________ design, the final program is a collection of interacting objects.
White spaces
In a C++ program, ____________________ are used to separate special symbols, reserved words, and identifiers.
Operating System
The ____ monitors the overall activity of the computer and provides services.
Syntax
The ____ rules of a programming language tell you which statements are legal, or accepted by the programming language.
enumeration
The ____________________ type is C++ 's method for allowing programmers to create their own simple data types.
input, output, storage
The basic commands that a computer performs are ____, and performance of arithmetic and logical operations.
True
The basic commands that a computer performs are input (get data), output (display result), storage, and performance of arithmetic and logical operations. True or False
False
The devices that feed data and programs into computers are called output devices. True or False
Output
The devices that the computer uses to display results are called ____ devices.
True
The maximum number of significant digits in float values is up to 6 or 7. True or False
True
The maximum number of significant digits in values of the double type is 15. True or False
Precision
The maximum number of significant digits is called the ____________________.
Four
The memory allocated for a float value is ____ bytes.
Long Long
The memory space for a(n) ____________________ data value is 64 bits
3
The value of the expression 33/10, assuming both values are integral data types, is ____.
True
To develop a program to solve a problem, you start by analyzing the problem. True or False
Unicode
____ consists of 65,536 characters.
'A'
____ is a valid char value.
Application
____ programs perform a specific task.
Digital signals
____ represent information with a sequence of 0s and 1s.
Gigabyte
The term GB refers to ____.
int a,b,c;
The declaration int a, b, c; is equivalent to which of the following?
Token
The smallest individual unit of a program written in any language is called a(n) ____________________.
3
The value of the expression 17 % 7 is ____.
Bit
The digit 0 or 1 is called a binary digit, or ____.
Compiler
A program called a(n) ____ translates instructions written in high-level languages into machine code.
Algorithm
A step-by-step problem-solving process in which a solution is arrived at in a finite amount of time is called a(n) ____.
Digitals
____________________ signals represent information with a sequence of 0s and 1s