Starting Out with C++ : Chapters 1 - 3

Question 1

What preprocessor command must be present to format output?

Accepted Answer

#include <iomanip>

Question 2

What would this expression assign the the variable var? var = 13/4

Accepted Answer

3

Question 3

What allows computers to do so many different jobs?

Accepted Answer

The fact that they are programmable

Question 4

Which of the following manipulators forces floating point numbers to have a visible decimal point?

Accepted Answer

showpoint

Question 5

Which cin member function will skip characters?

Accepted Answer

cin.ignore

Question 6

A binary digit is refered to as a

Accepted Answer

bit

Question 7

When a value is converted to a lower value type, it is said to be

Accepted Answer

demoted

Question 8

Which library funtion allows us to exponents?

Accepted Answer

pow

Question 9

You should always include a ; at the end of preprocessor directives

Accepted Answer

False

Question 10

What are the two main types of software?

Accepted Answer

Application Software, System Software

Question 11

Floating point numbers can not be represented by the data type

Accepted Answer

long int

Question 12

Bytes are made of _____ bits.

Accepted Answer

8

Question 13

The control unit of a CPU

Accepted Answer

regulates the CPU's operations and determines where to obtain instructions

Question 14

Key words can be defined by the programmer

Accepted Answer

False

Question 15

Boolean expressions are only suitable for two values

Accepted Answer

True

Question 16

What do most programmers do to a named constant to make it obvious in the program

Accepted Answer

Write it in ALL_CAPS

Question 17

You can manually promote or demote a value with the __________ expression

Accepted Answer

static_cast

Question 18

In C++ the = is known as the

Accepted Answer

assignment operator

Question 19

Which of the following Hardware are input devices?

Accepted Answer

Keyboard, mouse, camera

Question 20

What is the difference between a line and a statement?

Accepted Answer

A line is a single line in the program, a statement is a full instruction

Question 21

Which of the following Hardware are output devices?

Accepted Answer

Screen, printer, speakers

Question 22

The number that identifies a storage location is called

Accepted Answer

an address

Question 23

Which of the following cout statements is correct?

Accepted Answer

cout << 4 << endl;

Question 24

Hexadecimal is a base ____ numbering system

Accepted Answer

16

Question 25

Addition and Subtraction have higher precedence than multiplication and division.

Accepted Answer

False

Question 26

What is an IDE?

Accepted Answer

Integrated Development Environment

Question 27

An algorithm is

Accepted Answer

A set of well-defined steps for performing a task

Question 28

Hand tracing is

Accepted Answer

A debugging process

Question 29

X + Y * 8 would give you a completely different answer than (X + Y) * 8

Accepted Answer

True

Question 30

Scope refers to

Accepted Answer

the part of a program that can use a variable

Question 31

Unary negation is the only arithmetic operator that has the Associativity of

Accepted Answer

Right to Left

Question 32

Which of the following is a correct way to write a single line comment?

Accepted Answer

// This is a comment

Question 33

How do you create a new line escape sequence?

Accepted Answer

Question 34

Which of the following is a valid cin statement?

Accepted Answer

cin >> year;

Question 35

Which of the following is NOT a secondary storage device?

Accepted Answer

Static RAM

Question 36

sizeof(int)

Accepted Answer

4 bytes

Question 37

Syntax rules dictated how key words and operators are used and where punctuation should be.

Accepted Answer

True

Question 38

What do all preprocessor commands start with?

Accepted Answer

#

Question 39

Variable definitions must include their data type

Accepted Answer

True

Question 40

Which of the following sets the field width for data?

Accepted Answer

setw

Question 41

The CPU excutes the instructions of a program.

Accepted Answer

True

Question 42

What does RAM stand for?

Accepted Answer

Random Access Memory

Question 43

When a value is converted to a higher value type, it is said to be

Accepted Answer

promoted

Question 44

Besides the control unit, a CPU has a second part called the

Accepted Answer

ALU - Arithmetic Logic Unit

Question 45

Variable names are defined by

Accepted Answer

the programmer

Question 46

C++ is case sensitive

Accepted Answer

True

Question 47

What is a faster way to write number = number * 7;

Accepted Answer

number *= 7

Question 48

To use cout and cin you need to #include

Accepted Answer

Question 49

Which of the following is a correct way to assign a char to the variable letter

Accepted Answer

letter = 'M';

Question 50

cout sends input to the program

Accepted Answer

False

Question 51

ASCII stands for

Accepted Answer

American Standard Code for Information Interchange

Question 52

The main() function is part of EVERY C++ program

Accepted Answer

True

Starting Out with C++ : Chapters 1 - 3

Questions 52

Starting Out with C++ : Chapters 1 - 3

Questions 52