Deck 10: Developing Unix-Linux Applications in C and C

Question 1

fgetch()reads a single character from the file and points to it.

Answer 1

False

Question 2

The C language was partly developed to resolve the more lengthy requirements of assembly language.

Answer 2

True

Question 3

Dennis Ritchie and Brian Kernighan rewrote most of UNIX using C++ in the early 1960s.

Answer 3

False

Question 4

The original UNIX operating system was written in ____.

A)C
B)C++
C)assembly language
D)Awk

Question 5

____ is an example of how you can declare a string in C.

A)string name;
B)string name[20];
C)String name;
D)char name[20];

Question 6

The output of a linker is a(n)____ file.

A)executable
B)binary
C)object
D)source code

Question 7

C++ uses -- to denote a comment line.

Question 8

____ have special meanings,so you cannot use them as names for variables or functions.

A)Labels
B)Tags
C)Constants
D)Keywords

Question 9

A compiler is a program that translates the source code into ____ code,which consists of binary instructions.

A)compiled
B)binary
C)binary
D)object

Question 10

When you represent character data in a program as a character constant,you enclose the character in ____.

A)curly braces
B)angle braces
C)single quotation marks
D)double quotation marks

Question 11

A variable's data type determines the upper and lower limits of its range of values.

Question 12

A(n)____ is a group of characters,such as a name.

A)array
B)string
C)scalar
D)hash

Question 13

When you use string constants in your C program,they must be enclosed in ____.

A)curly braces
B)angle braces
C)single quotation marks
D)double quotation marks

Question 14

____ is a low-level language that provides maximum access to all the computer's devices,both internal and external.

A)C
B)C++
C)Assembly language
D)Awk

Question 15

Unlike many other library input functions,readf()can be used to input values of a variety of data types.

Question 16

The ____ data type occupies a single byte.

A)char
B)int
C)float
D)double

Question 17

The word "null" is used to indicate that a function returns no data.

Question 18

You can use three modifiers with int data types: short,long,and ____.

A)scalar
B)unsigned
C)array
D)double

Question 19

C can be described as a language that uses relatively short,isolated functions to break down large,complex tasks into small and easily resolved subtasks.

Question 20

____ is the language in which UNIX was developed and refined.

A)C
B)C++
C)Perl
D)Awk

Question 21

A C program consists of separate bodies of code,known as ____________________.

Question 22

The ____ format specifier is used to denote a floating point number in decimal notation.

A)%c
B)%d
C)%u
D)%f

Question 23

Match each item with a statement below.
a.main()
f.stdio.h
b.
a.out
g.{
c.null
h.gcc
d.%
i.#include
e./*
denotes the beginning of a block of code

Question 24

The decrement operator is a(n)____ operator.

A)unary
B)binary
C)primary
D)arbitrary

Question 25

When you ____________________ a function,you declare the function's name and create the lines of code that make up the function's block of code.

Question 26

The ____ utility tracks what needs to be recompiled by using the time stamp field for each source file.

A)compile
B)gcc
C)configure
D)make

Question 27

Automatic variables are ____ to the function in which they are declared.

A)global
B)assigned
C)local
D)unique

Question 28

C provides three looping mechanisms: the for loop,the while loop,and the ____ loop.

A)do-while
B)switch
C)while-do
D)repeat-until

Question 29

The ____ format specifier is used to denote a signed decimal integer.

A)%c
B)%d
C)%f
D)%s

Question 30

Match each item with a statement below.
a.main()
f.stdio.h
b.
a.out
g.{
c.null
h.gcc
d.%
i.#include
e./*
executable file which,by default,contains a compiled C program

Question 31

____ are continuous streams of data.

A)Arrays
B)Strings
C)Files
D)Pointers

Question 32

The ____ of a variable is the part of the program in which the variable is defined and,therefore,accessible.

A)aim
B)reach
C)length
D)scope

Question 33

C's ____________________ header file contains information the compiler needs to process standard input or output statements.

Question 34

____________________ are names given to variables and functions.

Question 35

C's increment operator is ____.

A)++
B)+
C)+=
D)=+

Question 36

Variables that are declared inside a function are called ____ variables.

A)global
B)automatic
C)scalar
D)independent

Question 37

Many compilers translate source code into assembly code.This requires that a(n)____________________ be called up to translate the assembly code into object code.

Question 38

The ____ scanf()format specifier is used to indicate that scanf()should interpret the input value as a pointer.

A)%p
B)%P
C)%r
D)%R

Question 39

Match each item with a statement below.
a.main()
f.stdio.h
b.
a.out
g.{
c.null
h.gcc
d.%
i.#include
e./*
every C program must contain this function

Question 40

C++ enables function ____________________,which makes the functions respond to more than one set of criteria and conditions.

Question 41

What is the role of the C preprocessor?

Question 42

What is the role of the control string in the printf()function?

Question 43

What is the role of the if statement?

Question 44

Match each item with a statement below.
a.main()
f.stdio.h
b.
a.out
g.{
c.null
h.gcc
d.%
i.#include
e./*
command for the C compiler in Linux operating systems

Question 45

Provide at least three rules that should be followed when naming variables in C.

Question 46

What is the scope of a global variable?

Question 47

What is the role of a linker program?

Question 48

What is the difference between the while loop and the do-while loop?

Question 49

What is a daemon?

Question 50

Match each item with a statement below.
a.main()
f.stdio.h
b.
a.out
g.{
c.null
h.gcc
d.%
i.#include
e./*
denotes the beginning of a comment

Question 51

What is an object?

Question 52

Match each item with a statement below.
a.main()
f.stdio.h
b.
a.out
g.{
c.null
h.gcc
d.%
i.#include
e./*
is a header file

Question 53

Match each item with a statement below.
a.main()
f.stdio.h
b.
a.out
g.{
c.null
h.gcc
d.%
i.#include
e./*
is a preprocessor directive

Question 54

Match each item with a statement below.
a.main()
f.stdio.h
b.
a.out
g.{
c.null
h.gcc
d.%
i.#include
e./*
modulus operator

Question 55

What does the C library contain?

Question 56

Match each item with a statement below.
a.main()
f.stdio.h
b.
a.out
g.{
c.null
h.gcc
d.%
i.#include
e./*
a single byte in which all bits are set to zero

Question 57

What is the role of a function prototype?

Question 58

What is a source code file?