Module 2

Question 1

Comments

Answer 1

Information ignored by the compiler and are used to describe the code

Question 2

Preprocessor directive

Answer 2

A C program line beginning with # that provides an instruction to the preprocessor

Question 3

Library

Answer 3

A collection of useful functions and symbols that may be accessed by a program

Question 4

Constant macro

Answer 4

A name that is replaced by a particular constant value before the program is sent to the compiler

Question 5

Declarations

Answer 5

The part of the program that tells the compiler the names of memory cells in a program

Question 6

Executable statements

Answer 6

Program lines that are converted to machine language instructions and executed by the computer

Question 7

Function body has two parts:

Answer 7

Declarations and executable statements

Question 8

Reserved word

Answer 8

A word that has special meaning in C

Question 9

int

Answer 9

Integer; indicates that the main function returns an integer value

Question 10

void

Answer 10

Indicates that the main function receives no data from the operating system

Question 11

double

Answer 11

Indicates that the memory cells store real numbers

Question 12

return

Answer 12

Returns control from the main function to the operating system

Question 13

Variables

Answer 13

A name associated with a memory cell whose value can change

Question 14

Variable declarations

Answer 14

Statements that communicate to the compiler the names of variables in the program and the kind of information stored in each variable

Question 15

char

Answer 15

Indicates that the memory cells store a character.. anything on the keyboard can be a character.. always inside of single quotes ‘ ‘

Question 16

Data type

Answer 16

A set of values and operations that can be performed on those values

Question 17

ASCII (American standard code for information interchange) code

Answer 17

The most common used by the C compiler to determine what integer value a character will be stored as in memory

Question 18

Function

Answer 18

A block of code made up of a group of statements that perform a task

Question 19

Function call

Answer 19

Statement used to invoke a function

Question 20

Input operation

Answer 20

An instruction that copies data from an input device into memory

Question 21

Output operation

Answer 21

An instruction that displays information stored in memory

Question 22

Input/output function

Answer 22

A C function that performs an input or output operation

Question 23

Function argument

Answer 23

Enclosed in parentheses following the function name; provides information needed by the function

Question 24

Format string

Answer 24

In a call to printf, a string of characters enclosed in quotes, which specifies the form of the output line

Question 25

Print list

Answer 25

In a call to printf, the variables or expressions whose values are displayed

Question 26

Placeholder

Answer 26

A symbol beginning with % in a format string that indicates where to display the output value

Question 27

New line escape sequence

Answer 27

The character sequence \n, which is used in a format string to terminate an output line

Question 28

Type cast

Answer 28

Converting an expression to a different type by writing the desired type in parentheses in front of the expression