CSCI Ch 1 - 4

21) In C++ the = operator indicates: A) equality B) assignment C) subtraction D) negation E) None of these

B

True/False: The fixed manipulator causes a number to be displayed in scientific notation.

FALSE

28) 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? A) fetch B) decode C) execute D) portability stage

B

38) What is the value of the following expression? true && true A) true B) false C) -1 D) +1

A

39) What is the value of the following expression? true || true A) true B) false C) -1 D) +1

A

40) What is the value of the following expression? false || true A) true B) false C) -1 D) +1

A

46) Assuming you are using a system with 1-byte characters, how many bytes of memory will the following string literal occupy? "William" A) 7 B) 14 C) 8 D) 1

C

1) Relational operators allow you to ________ numbers. A) add B) multiply C) compare D) average E) None of these

C

10) The numeric data types in C++ can be broken into two general categories: A) numbers and characters B) singles and doubles C) integer and floating point D) real and unreal E) None of the above

C

20) Which character signifies the beginning of an escape sequence? A) // B) / C) \ D) # E) {

C

 1) True/False: If the sub-expression on the left side of the || operator is true, the expression on the right side will not be checked.

TRUE

6) True/False: Floating point constants are normally stored in memory as doubles.

TRUE

This function tells the cin object to skip one or more characters in the keyboard buffer. A) cin.ignore B) cin.jump C) cin.hop D) cin.skip; E) None of the above

A

What will the value of x be after the following statements execute? int x = 0; int y = 5; int z = 4; x = y + z * 2; A) 13 B) 18 C) 0 D) unknown

A

29) This operator performs a logical NOT operation. A) -- B) ! C) <> D) >< E) None of these

B

38) What will the following code display? int x = 0, y = 1, z = 2; cout << x << y << z << endl; A) 0 1 2 B) 0 1 2 C) xyz D) 012

D

14) Which escape sequence causes the cursor to move to the beginning of the current line? A) \n B) \t C) \a D) \b E) \r

E

48) Assume that a program has the following string object definition: string name; Which of the following statements correctly assigns a string literal to the string object? A) name = Jane; B) name = "Jane"; C) name = 'Jane'; D) name = (Jane);

B

Which statement is equivalent to the following? x = x * 2; A) x * 2; B) x *= 2; C) x = x * x; D) None of these

B

21) Even when there is no power to the computer, data can be held in: A) Secondary storage B) The Input Device C) The Output Device D) The Algorithm E) None of the above

A

You can use these to override the rules of operator precedence in a mathematical expression. A) [Brackets] B) (Parentheses) C) {Braces} D) The escape character \ E) None of these

B

You want the user to enter the length, width, and height from the keyboard. Which cin statement is correctly written? A) cin << length, width, height; B) cin.get(length, width, height); C) cin >> length >> width >> height; D) cin >> length, width, height; E) cin << length; width; height;

B

Which statement will read an entire line of input into the following string object? string address; A) cin << address; B) cin address; C) getline(cin, address); D) cin.get(address); E) None of the above

C

14) This operator takes an operand and reverses its truth or falsehood. A) || B) relational C) arithmetic D) ! E) None of these

D

15) What is the modulus operator? A) + B) * C) & D) % E) ||

D

20) This operator is used in C++ to represent equality. A) = B) >< C) !! D) == E) None of these

D

Assume that x is an int variable. What value is assigned to x after the following assignment statement is executed? x = -3 + 4 % 6 / 5; A) 0 B) 1 C) 2 D) —3 E) None of these

D

39) Which of the following is a common input device? A) Keyboard B) Mouse C) Scanner D) Microphone E) All of the above

E

23) What will the following segment of code output if the value 11 is entered at the keyboard? int number; cin >> number; if (number > 0) cout << "C++"; else cout << "Soccer"; cout << " is "; cout << "fun" << endl; A) C++ is fun B) Soccer is fun C) C++ D) C++fun E) Soccerfun

A

25) When a program lets the user know that an invalid choice has been made, this is known as: A) input validation B) output correction C) compiler criticism D) output validation E) None of these

A

The statement: cin >> setw(10) >> str; will read up to this many characters into str. A) Nine B) Ten C) Eleven D) Eight E) None of these

A

Which line in the following program will cause a compiler error? 1 #include <iostream> 2 using namespace std; 3 4 int main() 5 { 6 const int MY_VAL; 7 MY_VAL = 77; 8 cout << MY_VAL << endl; 9 return 0; 10 } A) 6 B) 8 C) 9 D) 7

A

Which statement is equivalent to the following? number += 1; A) number = number + 1; B) number + 1; C) number = 1; D) None of these

A

17) This statement uses the value of a variable or expression to determine where the program will branch to. A) switch B) select C) associative D) scope E) None of these

A

18) Without this statement appearing in a switch construct, the program "falls through" all of the statements below the one with the matching case expression. A) break B) exit C) switch D) scope E) None of these

A

2) After execution of the following code, what will be the value of input_value if the value 0 is entered at the keyboard at run time? cin >> input_value; if (input_value > 5) input_value = input_value + 5; else if (input_value > 2) input_value = input_value + 10; else input_value = input_value + 15; A) 15 B) 10 C) 25 D) 0 E) 5

A

27) What will the following program display? #include <iostream> using namespace std; int main() { int a = 0, b = 2, x = 4, y = 0; cout << (a == b) << " "; cout << (a != b) << " "; cout << (b <=x) << " "; cout << (y > a) << endl; return 0; } A) 0 1 1 0 B) 0 0 1 0 C) 1 1 0 1 D) 1 0 0 1 E) None of these

A

35) What is the value of donuts after the following code executes? int donuts = 10; if (donuts != 10) donuts = 0; else donuts += 2; A) 12 B) 10 C) 0 D) 2

A

44) What will the value of x be after the following statements execute? int x; x = 18.0 / 4; A) 4.5 B) 4 C) 0 D) unknown

A

When converting some algebraic expressions to C++, you may need to insert ________ that do not appear in the algebraic expression. A) Parentheses B) Exponents C) Calculations D) Coercions E) None of the above

A

Which is true about the following statement? cout << setw(4) << num4 << " "; A) It allows four spaces for the value in the variable num4. B) It outputs "setw(4)" before the value in the variable num4. C) It should use setw(10) to output the value in the variable num10. D) It inputs up to four characters stored in the variable num4. E) None of these

A

43) Which line in the following program will cause a compiler error? 1 #include <iostream> 2 using namespace std; 3 4 int main() 5 { 6 int number = 5; 7 8 if (number >= 0 && <= 100) 9 cout << "passed.\n"; 10 else 11 cout << "failed.\n"; 12 return 0; 13 } A) 6 B) 8 C) 10 D) 9

B

In the following C++ statement, what will be executed first according to the order of precedence? result = 6 - 3 * 2 + 7 - 10 / 2 ; A) 6 - 3 B) 3 * 2 C) 2 + 7 D) 7 - 10 E) 10 / 2

B

26) These operators connect two or more relational expressions into one, or reverse the logic of an expression. A) relational B) logical C) irrational D) negation E) None of these

B

3) What will be the output of the following code segment after the user enters 0 at the keyboard? int x = -1; cout << "Enter a 0 or a 1 from the keyboard: "; cin >> x; if (x) cout << "true" << endl; else cout << "false" << endl; A) Nothing will be displayed. B) false C) x D) true

B

31) Every complete C++ program must have a ________. A) comment B) function named main C) preprocessor directive D) symbolic constant E) cout statement

B

33) Given that, x = 2, y = 1, and z = 0, what will the following cout statement display? cout << "answer = " << (x || !y && z) << endl; A) answer = 0 B) answer = 1 C) answer = 2 D) None of these

B

37) What is the value of the following expression? true && false A) true B) false C) -1 D) +1

B

5) If you place a semicolon after the statement: if (x < y) A) The code will not compile. B) The compiler will interpret the semicolon as a null statement. C) The if statement will always evaluate to false. D) All of the above E) None of these

B

6) When a relational expression is false, it has the value ________. A) one B) zero C) zero, one, or minus one D) less than zero E) None of these

B

8) You must have a ________ for every variable you intend to use in a program. A) purpose B) definition C) comment D) constant E) None of the above

B

In any program that uses the cin object, you must include the ________. A) compiler B) iostream header file C) linker D) >> and << operators E) None of the above

B

The ________ causes a program to wait until information is typed at the keyboard and the Enter key is pressed. A) Output stream B) cin object C) cout object D) Preprocessor E) None of the above

B

The function, pow(x, 5.0), requires this header file. A) cstdlib B) cmath C) cstring D) iostream E) iomanip

B

What is the value of average after the following code executes? double average; average = 1.0 + 2.0 + 3.0 / 3.0; A) 2.0 B) 4.0 C) 1.5 D) 6.0

B

What is the value stored at x, given the statements: int x; x = 3 / static_cast<int>(4.5 + 6.4); A) .3 B) 0 C) .275229 D) 3.3 E) None of these

B

When a variable is assigned a number that is too large for its data type, it: A) underflows B) overflows C) reverses polarity D) exceeds expectations E) None of the above

B

When using the sqrt function you must include this header file. A) cstdlib B) cmath C) cstring D) iostream E) iomanip

B

________ reads a line of input, including leading and embedded spaces, and stores it in a string object. A) cin.get B) getline C) cin.getline D) get E) None of these

B

 This statement will pause the screen, until the [Enter] key is pressed. A) cin; B) cin.getline(); C) cin.get(); D) cin.ignore(); E) cin.input();

C

10) When an if statement is placed within the conditionally-executed code of another if statement, this is known as: A) complexity B) overloading C) nesting D) validation E) None of these

C

12) What will the following segment of code output? score = 40; if (score > 95) cout << "Congratulations!\n"; cout << "That's a high score!\n"; cout << "This is a test question!" << endl; A) This is a test question! B) Congratulations! That's a high score! This is a test question! C) That's a high score! This is a test question! D) Congratulations! That's a high score! E) None of these

C

15) Assuming x is 5, y is 6, and z is 8, which of the following is false? 1. x == 5; 2. 7 <= (x + 2); 3. z < = 4; 4. (1 + x) != y; 5. z >= 8; 6. x >= 0; 7. x <= (y * 2) A) 3, 4, 6, 7 are false. B) Only 5 is false. C) 3 and 4 are false. D) All are false. E) None of these.

C

19) Whereas < is called a relational operator, x < y is called a(n) ________. A) Arithmetic operator B) Relative operator C) Relational expression D) Largeness test E) None of these

C

11) What is the output of the following segment of code if the value 4 is input by the user when asked to enter a number? int num; int total = 0; cout << "Enter a number from 1 to 10: "; cin >> num; switch (num) { case 1: case 2: total = 5; case 3: total = 10; case 4: total = total + 3; case 8: total = total + 6; default: total = total + 4; } cout << total << endl; A) 0 B) 3 C) 13 D) 28 E) None of these

C

13) This operator represents the logical AND. A) ++ B) || C) && D) @ E) None of these

C

16) This term refers to the programmer reading the program from the beginning and stepping through each statement. A) Pseudocoding B) Software Engineering C) Desk Checking D) Spot Checking E) None of the above

C

31) Which statement allows you to properly check the char variable code to determine whether it is equal to a "C" and then output "This is a check" and then advance to a new line? A) if code is equal to C cout << "This is a check\n"; B) if (code = "C") cout << "This is a check" << endl; C) if (code == 'C') cout << "This is a check\n"; D) if (code == C) cout << "This is a check" << endl;

C

32) The ________ of a variable is limited to the block in which it is declared. A) precedence B) associativity C) scope D) branching ability E) None of these

C

34) The default section of a switch statement performs a similar task as the ________ portion of an if/else if statement. A) conditional B) break C) trailing else D) All of these E) None of these

C

36) What is the value of donuts after the following code executes? int donuts = 10; if (donuts = 1) donuts = 0; else donuts += 2; A) 12 B) 10 C) 0 D) 1

C

42) Which value can be entered to cause the following code segment to display the message: "That number is acceptable." int number; cin >> number; if (number > 10 && number < 100) cout << "That number is acceptable.\n"; else cout << "That number is not acceptable.\n"; A) 100 B) 10 C) 99 D) 0 E) All of these

C

44) Which of the following expressions will determine whether x is less than or equal to y? A) x > y B) x =< y C) x <= y D) x >= y

C

45) What will be the value of result after the following code has been executed? int a = 60; int b = 15; int result = 10; if (a = b) result *= 2; A) 10 B) 120 C) 20 D) This code will not compile.

C

7) This is a variable, usually a bool or an int, that signals when a condition exists. A) relational operator B) arithmetic operator C) flag D) float E) None of these

C

9) What will the following segment of code output? Assume the user enters a grade of 90 from the keyboard. cout << "Enter a test score: "; cin >> test_score; if (test_score < 60); cout << "You failed the test!" << endl; if (test_score > 60) cout << "You passed the test!" << endl; else cout << "You need to study for the next test!"; A) You failed the test! B) You passed the test! C) You failed the test! You passed the test! D) You failed the test! You did poorly on the test! E) None of the above

C

Associativity is either right to left or: A) Top to bottom B) Front to back C) Left to right D) Undeterminable E) None of the above

C

The ________ operator always follows the cin object, and the ________ operator follows the cout object. A) binary, unary B) conditional, binary C) >>, << D) <<, >> E) None of the above

C

This manipulator causes the field to be left-justified with padding spaces printed to the right. A) left_justify B) right C) left D) left_pad E) None of these

C

This manipulator is used to establish a field width for the value immediately following it. A) field_width B) set_field C) setw D) iomanip E) None of the above

C

This stream manipulator forces cout to print the digits in fixed-point notation. A) setprecision(2) B) setw(2) C) fixed D) setfixed(2) E) None of these

C

What is the value of number after the following statements execute? int number = 10; number += 5; number -= 2; number *= 3; A) 3 B) 30 C) 15 D) 2

C

When the final value of an expression is assigned to a variable, it will be converted to: A) The smallest C++ data type B) The largest C++ data type C) The data type of the variable D) The data type of the expression E) None of the above

C

4) What is assigned to the variable a given the statement below with the following assumptions: x = 10, y = 7, and z, a, and b are all int variables. a = x >= y; A) 10 B) 7 C) The string "x >= y" D) 1 E) 0

D

41) What is the output of the following code? int w = 98; int x = 99; int y = 0; int z = 1; if (x >= 99) { if (x < 99) cout << y << endl; else cout << z << endl; } else { if (x == 99) cout << x << endl; else cout << w << endl; } A) 98 B) 99 C) 0 D) 1

D

8) What is the output of the following code segment? int x = 5; if (x = 2) cout << "This is true!" << endl; else cout << "This is false!" << endl; cout << "This is all folks!" << endl; A) This is true! B) This is false! C) This is true! This is false! D) This is true! This is all folks! E) None of these

D

16) Input values should always be checked for: A) Appropriate range B) Reasonableness C) Division by zero, if division is taking place D) All of these E) None of these

D

22) If you intend to place a block of statements within an if statement, you must place these around the block. A) Parentheses ( ) B) Square brackets [ ] C) Angle brackets < > D) Curly braces { } E) None of these

D

24) What will the following program segment display? int funny = 7, serious = 15; funny = serious % 2; if (funny != 1) { funny = 0; serious = 0; } else if (funny == 2) { funny = 10; serious = 10; } else { funny = 1; serious = 1; } cout << funny << " " << serious << endl; A) 7 15 B) 0 0 C) 10 10 D) 1 1 E) None of these

D

28) This operator is known as the logical OR operator. A) -- B) // C) # D) || E) None of these

D

30) Given the following code segment, what is output after "result = "? int x = 1, y = 1, z = 1; y = y + z; x = x + y; cout << "result = " << (x < y ? y : x) << endl; A) 0 B) 1 C) 2 D) 3 E) None of these

D

4) An Integrated Development Environment typically consists of: A) A text editor B) A compiler C) A debugger D) All of the above E) None of the above

D

47) The first step in using the string class is to #include the ________ header file. A) iostream B) cctype C) cmath D) string E) None of the above

D

The total number of digits that appear before and after the decimal point is sometimes referred to as: A) floating points B) significant digits C) precision D) B and C E) None of these

D

To use the rand() function, you must #include this header file in your program. A) iostream B) iomanip C) iorand D) cstdlib E) None of these

D

What will the value of result be after the following statement executes? result = 6 - 3 * 2 + 7 - 10 / 2 ; A) 8 B) 6 C) 1.5 D) 2

D

When this operator is used with string operands it concatenates them, or joins them together. A) & B) * C) % D) + E) None of the above

D

Which line in the following program will cause a compiler error? 1 #include <iostream> 2 using namespace std; 3 4 int main() 5 { 6 const int MY_VAL = 77; 7 MY_VAL = 99; 8 cout << MY_VAL << endl; 9 return 0; 10 } A) 6 B) 8 C) 9 D) 7

D

10) True/False: C++ 11 introduces an alternative way to define variables, using the template key word and an initialization value.

FALSE

2) True/False: Pseudocode is a form of program statement that will always evaluate to "false."

FALSE

2) True/False: The default section is required in a switch statement.

FALSE

3) True/False: In programming, the terms "line" and "statement" always mean the same thing.

FALSE

3) True/False: The C++ language requires that you give variables names that indicate what the variables are used for.

FALSE

4) True/False: A variable called "average" should be declared as an integer data type because it will probably hold data that contains decimal places.

FALSE

5) True/False: The preprocessor executes after the compiler.

FALSE

7) True/False: The following code correctly determines whether x contains a value in the range of 0 through 100. if (x >= 0 && <= 100)

FALSE

8) True/False: If you do not follow a consistent programming style, your programs will generate compiler errors.

FALSE

True/False: Arithmetic operators that share the same precedence have right to left associativity.

FALSE

True/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.

FALSE

True/False: In C++, it is impossible to display the number 34.789 in a field of 9 spaces with 2 decimal places of precision.

FALSE

True/False: The following statement will output $5.00 to the screen: cout << setprecision(5) << dollars << endl;

FALSE

True/False: When a program uses the setw manipulator, the iosetwidth header file must be included in a preprocessor directive.

FALSE

1) True/False: When typing in your source code into the computer, you must be very careful since most of your C++ instructions, header files, and variable names are case sensitive.

TRUE

10) True/False: The term "bit" stands for binary digit.

TRUE

2) True/False: A preprocessor directive does not require a semicolon at the end.

TRUE

3) True/False: Both of the following if statements perform the same operation. if (sales > 10000) commissionRate = 0.15; if (sales > 10000) commissionRate = 0.15;

TRUE

4) True/False: You should be careful when using the equality operator to compare floating point values because of potential round-off errors.

TRUE

5) True/False: An expression that has any value other than 0 is considered true by an if statement.

TRUE

5) True/False: Escape sequences are always stored internally as a single character.

TRUE

6) True/False: If the sub-expression on the left side of an && operator is false, the expression on the right side will not be checked.

TRUE

7) True/False: C++ does not have a built in data type for storing strings of characters.

TRUE

8) True/False: As a rule of style, when writing an if statement you should indent the conditionally-executed statements.

TRUE

9) True/False: When writing long integer literals or long long integer literals in C++ 11, you can use either an uppercase or lowercase L.

TRUE

True/False: The cin << statement will stop reading input when it encounters a newline character.

TRUE

True/False: 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

True/False: When C++ is working with an operator, it strives to convert the operands to the same type.

TRUE

True/False: 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

27) The float data type is considered ________ precision, and the double data type is considered ________ precision. A) single, double B) float, double C) integer, double D) short, long E) None of the above

A

13) During which stage does the central processing unit retrieve from main memory the next instruction in the sequence of program instructions? A) fetch B) decode C) execute D) portability stage

A

18) In programming terms, a group of characters inside a set of quotation marks is called a(n): A) String literal B) Variable C) Operation D) Statement E) None of the above

A

23) What is the value of cookies after the execution of the following statements? int number = 38, children = 4, cookies; cookies = number % children; A) 2 B) 0 C) 9 D) .5 E) None of these

A

25) A variable declaration announces the name of a variable that will be used in a program, as well as: A) The type of data it will be used to hold B) The operators that will be used on it C) The number of times it will be used in the program D) The area of the code in which it will be used E) None of the above

A

33) This is a set of rules that must be followed when constructing a program. A) Syntax B) Punctuation C) Portability D) Operators E) Key words

A

37) Which of the following is not one of the five major components of a computer system? A) Preprocessor B) The CPU (central processing unit) C) Main memory D) Input/Output device E) Secondary storage device

A

39) What will the following code display? cout << "Four\n" << "score\n"; cout << "and" << "\nseven"; cout << "\nyears" << " ago" << endl; A) Four score and seven years ago B) Four score and seven years ago C) Four score and seven years ago D) Four score and seven years ago

A

5) The purpose of a memory address is: A) To identify the location of a byte in memory B) To prevent multitasking C) To obtain an algorithm D) To improve the effectiveness of high-level languages E) None of the above

A

50) In C++ 11, the ________ tells the compiler to determine the variable's data type from the initialization value. A) auto key word B) #include preprocessor directive C) variable's name D) dynamic_cast key word E) None of the above

A

7) These are data items whose values do not change while the program is running. A) Literals B) Variables C) Comments D) Integers E) None of the above

A

35) Which of the following defines a double-precision floating point variable named payCheck? A) float payCheck; B) double payCheck; C) payCheck double; D) Double payCheck;

B

1) In a C++ program, two slash marks ( // ) indicate: A) The end of a statement B) The beginning of a comment C) The end of the program D) The beginning of a block of code E) None of the above

B

1) What does the term hardware refer to? A) The relative difficulty of programming B) The physical components that a computer is made of C) The way a computer's storage space is organized D) The logical flow of instructions E) None of the above.

B

11) Besides decimal, two other number systems you might encounter in C++ programs are: A) Octal and Fractal B) Hexadecimal and Octal C) Unary and Quaternary D) Base 7 and Base 9 E) None of the above

B

15) This step will uncover any syntax errors in your program. A) Editing B) Compiling C) Linking D) Executing E) None of these

B

17) This is used in a program to mark the beginning or ending of a statement, or separate items in a list. A) Separators B) Punctuation C) Operators D) Key Words E) None of the above

B

17) What is the output of the following statement? cout << 4 * (15 / (1 + 3)) << endl; A) 15 B) 12 C) 63 D) 72 E) None of these

B

18) A set of well-defined steps for performing a task or solving a problem is known as a(n): A) Hierarchy B) Algorithm C) Central Processing Unit D) Encoded instruction E) None of the above

B

19) This is used to mark the end of a complete C++ programming statement. A) Pound Sign B) Semicolon C) Data type D) Void E) None of the above

B

21) ________ must be included in any program that uses the cout object. A) Opening and closing braces B) The header file iostream C) Comments D) Escape sequences E) None of the above

B

22) If you use a C++ key word as an identifier, your program will: A) Execute with unpredictable results B) not compile C) understand the difference and run without problems D) Compile, link, but not execute E) None of the above

B

24) This is a complete instruction that causes the computer to perform some action. A) Line B) Statement C) Variable D) Key Word E) None of the above

B

28) A variable whose value can be either true or false is of this data type. A) binary B) bool C) T/F D) float E) None of the above

B

29) Mistakes that cause a running program to produce incorrect results are called: A) Syntax errors B) Logic errors C) Compiler errors D) Linker errors E) None of the above

B

3) Which of the following best describes an operator? A) An operator is a rule that must be followed when constructing a program. B) An operator allows you to perform operations on one or more pieces of data. C) An operator marks the beginning or ending of a statement, or is used to separate items in a list. D) An operator is a word that has a special meaning. E) An operator is a symbolic name that refers to a variable.

B

31) A(n) ________ is the most fundamental set of programs on a computer. A) compiler B) operating system C) application D) utility program E) None of these

B

33) Which one of the following would be an illegal variable name? A) dayOfWeek B) 3dGraph C) _employee_num D) June1997 E) itemsorderedforthemonth

B

35) The programmer usually enters source code into a computer using: A) Pseudocode B) A text editor C) A hierarchy chart D) A compiler E) None of the above

B

37) What will the following code display? int number = 7; cout << "The number is " << "number" << endl; A) The number is 7 B) The number is number C) The number is7 D) The number is 0

B

40) A(n) ________ is a diagram that shows the logical flow of a program. A) UML diagram B) flowchart C) hierarchy chart D) program schematic E) None of these

B

43) What will the value of x be after the following statements execute? int x; x = 18 / 4; A) 4.5 B) 4 C) 0 D) unknown

B

6) ________ represent storage locations in the computer's memory. A) Literals B) Variables C) Comments D) Integers E) None of the above

B

7) Programmer-defined names of memory locations that may hold data are: A) Operators B) Variables C) Syntax D) Operands E) None of the above

B

32) This control sequence is used to skip over to the next horizontal tab stop. A) \n B) \h C) \t D) \a E) \'

C

40) What will the following code display? cout << "Four " << "score "; cout << "and " << "seven/n"; cout << "years" << "ago" << endl; A) Four score and seven yearsago B) Four score and seven years ago C) Four score and seven/nyearsago D) Four score and seven yearsago

C

42) Assume that a program has the following variable definition: char letter; Which of the following statements correctly assigns the character Z to the variable? A) letter = Z; B) letter = "Z"; C) letter = 'Z'; D) letter = (Z);

C

11) A(n) ________ is a set of instructions that the computer follows to solve a problem. A) Compiler B) Linker C) Program D) Operator E) None of the above

C

12) ________ are used to translate each source code instruction into the appropriate machine language instruction. A) Modules B) Library routines C) Compilers D) Preprocessor directives E) None of the above

C

13) In memory, C++ automatically places a ________ at the end of string literals. A) Semicolon B) Quotation marks C) Null terminator D) Newline escape sequence E) None of the above

C

19) The statements written by the programmer are called: A) Syntax B) Object code C) Source code D) Runtime libraries E) None of the above

C

2) A statement that starts with a # symbol is called a: A) Comment B) Function C) Preprocessor directive D) Key word E) None of the above

C

20) Internally, the CPU consists of two parts: A) The Output Device and the Input Device B) The Software and the Hardware C) The Control Unit and the Arithmetic and Logic Unit D) The Single-task Device and the Multi-task Device E) None of the above

C

22) Words that have a special meaning and may be used only for their intended purpose are known as: A) Operators B) Programmer Defined Words C) Key Words D) Syntax E) None of the above

C

25) Character constants in C++ are always enclosed in ________. A) [brackets] B) "double quotation marks" C) 'single quotation marks' D) {braces} E) (parentheses)

C

26) These are used to declare variables that can hold real numbers. A) Integer data types B) Real data types C) Floating point data types D) Long data types E) None of the above

C

26) Three primary activities of a program are: A) Variables, Operators, and Key Words B) Lines, Statements, and Punctuation C) Input, Processing, and Output D) Integer, Floating-point and Character E) None of the above

C

30) A variable's ________ is the part of the program that has access to the variable. A) data type B) value C) scope D) reach E) None of the above

C

30) Computer programs are also known as: A) hardware B) firmware C) software D) silverware E) None of the above

C

32) This is a volatile type of memory, used for temporary storage. A) Address B) ALU C) RAM D) Disk drive E) None of the above

C

34) Look at the following program and answer the question that follows it. 1 // This program displays my gross wages. 2 // I worked 40 hours and I make $20.00 per hour. 3 #include <iostream> 4 using namespace std; 5 6 int main() 7 { 8 int hours; 9 double payRate, grossPay; 10 11 hours = 40; 12 payRate = 20.0; 13 grossPay = hours * payRate; 14 cout << "My gross pay is $" << grossPay << endl; 15 return 0; 16 } Which line(s) in this program cause output to be displayed on the screen? A) 13 and 14 B) 8 and 9 C) 14 D) 13 E) 15

C

36) In a broad sense, the two primary categories of programming languages are: A) Mainframe and PC B) Hardware and Software C) Low-level and High-level D) COBOL and BASIC E) None of the above

C

36) What will the following code display? cout << "Monday"; cout << "Tuesday"; cout << "Wednesday"; A) Monday Tuesday Wednesday B) Monday Tuesday Wednesday C) MondayTuesdayWednesday D) "Monday" "Tuesday" "Wednesday"

C

4) The ________ is/are used to display information on the computer's screen. A) Opening and closing braces B) Opening and closing quotation marks C) cout object D) Backslash E) None of the above

C

45) What will the value of x be after the following statements execute? int x; x = 18 % 4; A) 0.45 B) 4 C) 2 D) unknown

C

6) The programming process consists of several steps, which include: A) Input, Processing, and Output B) Key Words, Operators, and Punctuation C) Design, Creation, Testing, and Debugging D) Syntax, Logic, and Error Handling E) None of the above

C

8) Characters or symbols that perform operations on one or more operands are: A) Syntax B) Op codes C) Operators D) Program ops E) None of the above

C

9) The computer's main memory is commonly known as: A) The hard disk B) The floppy disk C) RAM D) Secondary storage E) None of the above

C

10) The ________ decodes an instruction and generates electrical signals. A) Arithmetic and Logic Unit B) Main memory C) BIOS D) Control Unit E) None of the above

D

12) A character literal is enclosed in ________ quotation marks, whereas a string literal is enclosed in ________ quotation marks. A) double, single B) triple, double C) open, closed D) single, double E) None of the above

D

14) What statement best describes a variable and its primary purpose? A) A variable is a structured, general-purpose language designed primarily for teaching programming. B) A variable is a collection of eight bits. C) A variable is a word that has a special meaning to the compiler. D) A variable is a named storage location in the computer's memory used for holding a piece of information. E) A variable is a "line" of code in the body of a program, which may change.

D

16) Which data type typically requires only one byte of storage? A) short B) int C) float D) char E) double

D

2) At the heart of a computer is its central processing unit. The CPU's job is: A) To fetch instructions B) To carry out the operations commanded by the instructions C) To produce some outcome or resultant information D) All of the above E) None of the above

D

23) The name for a memory location that may hold data is: A) Key Word B) Syntax C) Operator D) Variable E) None of the above

D

27) An example of a secondary storage device is: A) The computer's main memory B) The keyboard C) The monitor D) The disk drive E) None of the above

D

29) Which of the following correctly consolidates the following declaration statements into one statement? int x = 7; int y = 16; int z = 28; A) int x = 7; y = 16; z = 28; B) int x = 7 y = 16 z = 28; C) int x, y, z = 7, 16, 28 D) int x = 7, y = 16, z = 28; E) None of these will work.

D

3) For every opening brace in a C++ program, there must be a: A) String literal B) Function C) Variable D) Closing brace E) None of the above

D

38) In the process of translating a source file into an executable file, which of the following is the correct sequence? A) Source code, preprocessor, modified source code, linker, object code, compiler, executable code. B) Preprocessor, source code, compiler, executable code, linker, modified source code, object code. C) Source code, compiler, modified source code, preprocessor, object code, linker, executable code. D) Source code, preprocessor, modified source code, compiler, object code, linker, executable code. E) Source code, linker, object code, compiler, modified source code, preprocessor, executable code.

D

41) What will the following code display? cout << "Four" << "score" << endl; cout << "and" << "seven" << endl; cout << "years" << "ago" << endl; A) Four score and seven years ago B) Four score and seven years ago C) Fourscoreandsevenyearsago D) Fourscore andseven yearsago

D

49) 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. A) L B) <INT> C) I D) LL E) None of the above

D

5) The ________ causes the contents of another file to be inserted into a program. A) Backslash B) Pound sign C) Semicolon D) #include directive E) None of the above

D

24) This function in C++ allows you to identify how many bytes of storage on your computer system an integer data value requires. A) len B) bytes C) f(x) D) int E) sizeof

E

34) Which of the following is a preprocessor directive? A) pay = hours * rate; B) cin >> rate; C) // This program calculates the user's pay. D) int main() E) #include <iostream>

E

9) Of the following, which is a valid C++ identifier? A) June1997 B) _employee_number C) ___department D) myExtraLongVariableName E) All of the above are valid identifiers.

E

6) True/False: Machine language is an example of a high-level language.

FALSE

8) True/False: Programs are commonly referred to as hardware.

FALSE

1) True/False: Software engineering is a field that encompasses designing, writing, testing, debugging, documenting, modifying, and maintaining computer programs.

TRUE

4) True/False: In C++, key words are written in all lowercase letters.

TRUE

7) True/False: A CPU really only understands instructions that are written in machine language.

TRUE

9) True/False: The CPU is the most important component in a computer because without it, the computer could not run software.

TRUE