COP 3223C Test 1 (Quizzes)

Which of the following is true regarding variable definition in C? - has its meaning at the time of compilation only - cannot declare a variable multiple times in a C program - is useful when you are using multiple files - provides assurance to the compiler that there exists a variable with the given type and name

- has its meaning at the time of compilation only - is useful when you are using multiple files - provides assurance to the compiler that there exists a variable with the given type and name

What is the file extension of a C language source code file?

.c

When was C first implemented?

1972

Given the source code below, how many tokens make up the statement? printf("Hello COP 3223!");

5

Definition of basic types

Arithmetic types and are further classified into integer and floating- point types

C runs nearly as fast as which other language?

Assemble language

Which language is C the successor of?

B

Who developed the C programming language?

Dennis M. Ritchie

Character literals are enclosed in double quotes. T/F

False

Regarding keywords in the C programming language and creating identifiers. Keywords are reserved in all lowercase and all uppercase. T/F

False

Regarding white space in the C programming language, spaces are required between the operators in the following source code in order to compile, run and provide the correct output. int sum = 2+3/2-12*15; T/F

False

Definition of derived types

Pointer, Array, Structure, Union, Function Types

Constants cannot be altered during program execution. T/F

True

In a C program, an individual statement must be ended with a semicolon? T/F

True

Literals are equivalent to fixed values in regard to computer programming in the C language. T/F

True

String literals are enclosed in double quotes. T/F

True

Regarding identifiers for variables, functions, or any other user defined item, which of the following are acceptable? _variable VARIABLE variable $variable var23iable 2variable3

_variable VARIABLE variable var23iable

Regarding basic data types in C, match the data type to its definition: double = - the most natural size of integer for the machine - a single precision floating point value - a double precision floating point value - typically one byte and in an integer type - represents the absence of a type

a double precision floating point value

Regarding basic data types in C, match the data type to its definition: float = - the most natural size of integer for the machine - a single precision floating point value - a double precision floating point value - typically one byte and in an integer type - represents the absence of a type

a single precision floating point value

Definition of aggregate types

array and structure types

Professional best practices state that when using constants in source code the syntax should be in which format?

camelCase

/* my first program in C*/ represents what in c programming

comments

When defining a constant inside the main() function, which is the correct implementation?

const int LENGTH = 10;

printf("Hello, World!\n"); represents what in c programming

function available in c

Match the associated code with the situation : Function argument as void = -void exit (int status); -int rand(void); -void*malloc( size_t size );

int rand(void);

What is source code compiled into?

machine language

Definition of void

no value is available

#include <stdio.h> represents what in c programming

preprocessor command

Regarding basic data types in C, match the data type to its definition: void = - the most natural size of integer for the machine - a single precision floating point value - a double precision floating point value - typically one byte and in an integer type - represents the absence of a type

represents the absence of a type

A variable definition must include as a minimum which of the following? - Semi-colon - Assignment operator - Valid name - Initial value - Data type

semi colon valid name data type

What C operator is used to yield the storage size of the object or type in bytes

sizeof()

What type of file contains the source code?

source files

return 0; represents what in c programming

terminates the main()

int main() represents what in c programming

the main function where the program execution begins

Regarding basic data types in C, match the data type to its definition: int = - the most natural size of integer for the machine - a single precision floating point value - a double precision floating point value - typically one byte and in an integer type - represents the absence of a type

the most natural size of integer for the machine

Regarding basic data types in C, match the data type to its definition: char = - the most natural size of integer for the machine - a single precision floating point value - a double precision floating point value - typically one byte and in an integer type - represents the absence of a type

typically one byte and in an integer type

Definition of enumerated types

used to define variables that can only define certain discrete integer values

Match the associated code with the situation : Function returns as void = -void exit (int status); -int rand(void); -void*malloc( size_t size );

void exit (int status);

Match the associated code with the situation : Pointers to void = -void exit (int status); -int rand(void); -void*malloc( size_t size );

void*malloc( size_t size );

When defining a constant as a preprocessor command, which of the following is the correct implementation?

#define LENGTH 10

These are the multiple formats of an acceptable comment in C

- // comment - /* comment */

What tools are required to set up an environment in order to write, compile, and run a program written in the C language?

- C compiler - Text editor

Why is C widely used?

- Easy to learn - Structured language - It can be compiled on a variety of computer platforms - It can handle low-level activities

Which data types are valid regarding integer literals for constants?

- Hexadecimal - Decimal - Octal

Which of the following are the parts of a floating point constant?

- exponent part - fractional part - decimal point - integer part

Which of the following is true regarding a variable in C? - has a specific type - the data type determines how it can be named - the data type determines the set of operations that can be applied to the variable - the data type determines the size of the variable - all variables use four bytes of membor - the data type determines the range of values that can be stored - the data type determines the layout of the variable's memory

- has a specific type - the data type determines the set of operations that can be applied to the variable - the data type determines the size of the variable - the data type determines the range of values that can be stored - the data type determines the layout of the variables memory