Techno Whiz Level 1

Multiple Choice

Which of the following is not a Primitive Data-Type?

• int

• Float

• Double

• String

Multiple Choice

Which of the following is a Conditional Operator?

• ==

• ?:

• >=

• <=

Multiple Choice

Which of the Following Functions is used to Open a File in C ?

• Open()

• openfile()

• fopen()

• createfile()

Multiple Choice

Guess the output of the following snippet?

10<<2

• 2

• 30

• 40

• 60

Multiple Choice

Which of the following statements about dynamic memory allocation in C is true?

• It is done using the malloc() function

• Memory allocated dynamically is automatically deallocated when the program terminates

• It is less flexible than static memory allocation

• Dynamic memory allocation is not allowed in C

Multiple Choice

What does the "const" qualifier indicate in the following declaration?

const int *ptr;

• The pointer itself is constant

• The value pointed to by ptr is constant

• Both the pointer and the value pointed to by ptr are constant

• the function pointed to by ptr cannot modify any variables

Multiple Choice

Which of the following is used to define a Macro in C?

• #def

• #define

• #macro

• #define_macro

Multiple Choice

Functions in C Language are always_

• Internal

• External

• Both External and Internal

• External and Internal are not valid terms for functions

Multiple Choice

What is #include<stdio.h>?

• Preprocessor directive

• Inclusion directive

• File inclusion directive

• None of the above

Multiple Choice

What is the sizeof(char)in a 32-bit C Compiler?

• 1 bit

• 2 bits

• 1 Byte

• 2 Bytes

Multiple Choice

What is meant by ‘a’ in the following C operation?

fp = fopen("Random.txt", "a");

• Attach

• Append

• Apperehend

• Add

Multiple Choice

Who is the father of C Language ?

• Steve Jobs

• James Gosling

• Dennis Ritchie

• Rasmus Lerdorf

Multiple Choice

Which is the valid C expression?

• int my_num = 10,000;

• int my_num = 10000;

• int my num = 10000;

• int $my_num = 10,000;

Multiple Choice

What is the result of Logical and Relational Expression in C?

• True or False

• 0 or 1

• 0 if expression false and any positive number if an expression is true

• None of the Above

Multiple Choice

The C- preprocesses are specified with ____ symbol?

• #

• $

• " "

• &

Multiple Choice

How many number of pointers (*) does C have against a pointer variable declaration?

• 7

• 127

• 255

• No limit

Multiple Choice

What will be the data type returned for the following c function?

int fun()

{

return (double)(char) 5.0;

}

• char

• int

• double

• float

Multiple Choice

Which of the following language predecessor to C programming language?

• A

• B

• BCPL

• C++

Multiple Choice

Character constants should be enclosed between

• Single quotes

• Double quotes

• Both

• None of the above

Multiple Choice

The operator & is used for

• Bitwise AND

• Bitwise OR

• Logical AND

• Logical OR

Multiple Choice

Which of the following operator has the highest precedence?

• *

• ==

• =>

• +

Multiple Choice

Which of the following statements is true?

• C library functions provide I/O facilities

• C inherit I/O facilities

• C doesn't have I/O facilities

• Both A and C

Multiple Choice

Which operator in C is known as ternary operator

• /

• &&

• ?:

• //

Multiple Choice

Which of the following keyword is used for storage classes?

• Printf

• Auto

• sacnf

• external

Multiple Choice

The ___ chars have values from -128 to 127.

• Signed

• unsigned

• long

• none