C Programming Language – 14

June 2, 2021 Sukh Rathore C Programming Language, MOCK TEST, Programing Language

In c language, what is the right way to access value of structure variable book{ price, page }?

printf("%d%d", price.book, book.page);

printf("%d%d", book::price, book::page);

printf("%d%d", price->book, page->book);

printf("%d%d", book.price, book.page);

Correct! Wrong!

In c language, perror( ) function used to?

prints the error message specified by the compiler

prints the garbage value assigned by the compiler

prints the null value assigned by the compiler

Work same as printf()

Correct! Wrong!

In c language, Bitwise operators can operate upon?

Double and char

Double and ints

Ints and chars

Floats and ints

Correct! Wrong!

What is tokens in c language?

The largest individual units of program

The smallest individual units of c program

The basic element recognized by the compiler

Both B and C

Correct! Wrong!

In c language, what is keywords?

Keywords have some predefine meanings and these meanings cannot be changed

Keywords have some unknown meanings and these meanings cannot be changed

Keywords have some predefine meanings and these meanings can be changed

None of the above

Correct! Wrong!

What is constant in c language?

Constants have fixed values that change during the execution of a program

Constants have fixed values that do not change during the execution of a program

Constants have unknown values that may be change during the execution of a program

Correct! Wrong!

Which is the right way to declare constant in C?

int const var = 10;

const int var = 10;

int constant var =10;

Both A and B

Correct! Wrong!

In c language, which of the followig operators are known as Ternary Operator?

?, ::

::, ?

::, ??

?, :

Correct! Wrong!

In c language, switch statement, each case instance value must be _______?

Variable

Special Symbol

Constant

All of the above

Correct! Wrong!

In c language, what is the work of break keyword?

Exit from loop or switch statement

Halt from loop or switch statement

Restart from loop or switch statement

None of the above

Correct! Wrong!

C Programming Language – 13

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