C How To Program 8th Edition By Deitel & deitel - Test Bank

2.1  Introduction

(No questions.)

2.2  A Simple C Program: Printing a Line of Text

2.1  Which of the following must every C program have?

(a)  main

(b)  #include

(c)  /*

(d)  <stdio.h>

ANS: (a)

2.2  Every statement in C must end with a

(a)  period (.)

(b)  semicolon (;)

(c)  colon (:)

(d)  backslash (/)

ANS: (b)

2.3  Which of the following is not a valid escape sequence?

(a)  \n

(b)  \\

(c)  \~

(d)  \”

ANS: (c)

2.4  Which statement about comments is false?

a) Comments begin and end with /* and */, respectively.

b) Programmers insert comments to document programs and improve program readability.

c) Comments do not cause any machine language object code to be generated.

d) Lengthy comments can cause poor execution-time performance.

ANS: (d)

2.5  Lines beginning with a # are processed

a) at execution time.

b) at compile time.

c) at preprocessor time.

d) at postprocessor time.

ANS: (c)

2.6  Which of the following statements about the inclusion of <stdio.h> is false?

a) It is required.

b) This header file contains information and declarations used by the compiler when compiling standard input/output library functions such as printf.

c) This header file contains information that helps the compiler determine if calls to library functions have been made correctly.

d) This header helps locate bugs in your program at compile time, rather than at execution time (when errors are usually more costly to correct).

ANS: (a)

2.7  In the line

      int main()

the parentheses indicate that main is a program building block called a

a) module

b) statement

c) directive

d) function

ANS: (d)

2.8  The pair of braces that delineate the body of main and the portion of the program between these braces is called a __________.

a) function

b) block

c) statement

d) header

ANS: (b)

2.9  Which of the following is not a synonym for a C string?

a) message

b) character string

c) character