Free Bachelor of Computer Engineering C Language Questions and Answers

Question 1

Who is the C language's father?

Accepted Answer

Dennis Ritchie

Answer

Rasmus Lerdorf

Answer

Steve Jobs

Answer

James Gosling

Question 2

Which of the following is a name for a C variable that is invalid?

Accepted Answer

int $main;

Answer

float rate;

Answer

int variable_count;

Answer

int number;

Question 3

Which statement regarding variable names in C is accurate?

Accepted Answer

Variable names cannot start with a digit

Answer

It is not an error to declare a variable to be one of the keywords(like goto, static)

Answer

They can contain alphanumeric characters as well as special characters

Answer

Variable can be of any length

Question 4

Which C expression is legitimate?

Accepted Answer

int my_num = 100000;

Answer

int my num = 1000;

Answer

int my_num = 100,000;

Answer

int $my_num = 10000;

Question 5

Which of the following declarations does the C language not support?

Accepted Answer

String str;

Answer

char *str;

Answer

Both “String str;” and “float str = 3e2;”

Answer

float str = 3e2;

Question 6

Which keyword is used in a C program to stop a variable from changing at all?

Accepted Answer

const

Answer

mutable

Answer

volatile

Answer

immutable

Question 7

What is the name of the C property that enables the creation of several executables for various platforms?

Accepted Answer

Conditional compilation

Answer

Selective inclusion

Answer

Recursive macros

Answer

File inclusion

Question 8

The ________ symbol is used to specify the C-preprocessors.

Accepted Answer

#

Answer

$

Answer

” ”

Answer

&

Question 9

In the header file, there is a predefined function called scanf().

Accepted Answer

stdio. h

Answer

ctype. h

Answer

stdarg. h

Answer

astdlib. h

Question 10

What will the following C code produce as its output?

Accepted Answer

Compile time error

Answer

Hello World! 34

Answer

Hello World! followed by a junk value

Answer

Hello World! 1000