ITN_171 Chapter 10 and ??? Quiz

is a preprocessor directive % main() #include <stdio.h> /* a.out gcc stdio.h { null

#include <stdio.h>

modulus operator % main() #include <stdio.h> /* a.out gcc stdio.h { null

%

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

%P

The ____ format specifier is used to denote a signed decimal integer. %c %d %f %s

%d

The ____ format specifier is used to denote a floating point number in decimal notation. %c %d %u %f

%f

The source code of a C program file is stored in a file with the ____ extension. .C .c .gc .src

.c

denotes the beginning of a comment % main() #include <stdio.h> /* a.out gcc stdio.h { null

/*

(++)C's increment operator is ____. ++ + += =+

A C/C++ arithmetic operator that increases the value of a variable by a specified amount. ***Thel two operators increment (++) and decrement (--) operators. These are unary operators, which means that they work with one operand.

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

Assembly language

___ is the language in which UNIX was developed and refined. C C++ Perl Awk

C

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

False

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

False

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

False

____ are continuous streams of data. Arrays Strings Files Pointers

Files

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

Keywords

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

True

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. True False

True

C++ uses // to denote a comment line. True False

True

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

True

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

True

executable file which, by default, contains a compiled C program % main() #include <stdio.h> /* a.out gcc stdio.h { null

a.out

The original UNIX operating system was written in ____. C C++ assembly language Awk

assembly language

Variables that are declared inside a function are called ____ variables. global automatic scalar independent

automatic

The ____ data type occupies a single byte. char int float double

char

____ is an example of how you can declare a string in C. string name; string name[20]; String name; char name[20];

char name[20];

C provides three looping mechanisms: the for loop, the while loop, and the ____ loop. do-while switch while-do repeat-until

do-while

When you use string constants in your C program, they must be enclosed in ____. curly braces angle braces single quotation marks double quotation marks

double quotation marks

The output of a linker is a(n) ____ file. executable binary object source code

executable

command for the C compiler in Linux operating systems % main() #include <stdio.h> /* a.out gcc stdio.h { null

gcc

Automatic variables are ____ to the function in which they are declared. global assigned local unique

local

every C program must contain this function % main() #include <stdio.h> /* a.out gcc stdio.h { null

main()

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

make

a single byte in which all bits are set to zero % main() #include <stdio.h> /* a.out gcc stdio.h { null

null

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

object

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

scope

When you represent character data in a program as a character constant, you enclose the character in ____. curly braces angle braces single quotation marks double quotation marks

single quotation marks

is a header file % main() #include <stdio.h> /* a.out gcc stdio.h { null

stdio.h

A(n) ____ is a group of characters, such as a name. array string scalar hash

string

The decrement operator is a(n) ____ operator. unary binary primary arbitrary

unary Thel two operators increment (++) and decrement (--) operators. These are unary operators, which means that they work with one operand.

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

unsigned int = integer values

denotes the beginning of a block of code % main() #include <stdio.h> /* a.out gcc stdio.h { null

{