Deck 1: C Programming Language

Question 1

Who is father of C Language?

A)bjarne stroustrup
B)dennis ritchie
C)james a. gosling
D)dr. e.f. codd

Answer 1

dennis ritchie

Question 2

C Language developed at _____?

A)at & t's bell laboratories of usa in 1972
B)at & t's bell laboratories of usa in 1970
C)sun microsystems in 1973
D)cambridge university in 1972

Answer 2

at & t's bell laboratories of usa in 1972

Question 3

For 16-bit compiler allowable range for integer constants is ______ ?

A)-3.4e38 to 3.4e38
B)-32767 to 32768
C)-32768 to 32767
D)-32668 to 32667

Answer 3

-32768 to 32767

Question 4

C programs are converted into machine language with the help of

A)an editor
B)a compiler
C)an operating system
D)none of the above

Question 5

A C variable cannot start with

A)an alphabet
B)a number
C)a special symbol other than underscore
D)both (b) and (c)

Question 6

Which of the following is allowed in a C Arithmetic instruction

A)[]
B){}
C)()
D)none of the above

Question 7

Which of the following shows the correct hierarchy of arithmetic operations in C

A)/ + * -
B)* - / +
C)+ - / *
D)* / + -

Question 8

What is an array?

A)an array is a collection of variables that are of the dissimilar data type.
B)an array is a collection of variables that are of the same data type.
C)an array is not a collection of variables that are of the same data type.
D)none of the above.

Question 9

What is right way to Initialization array?

A)int num[6] = { 2, 4, 12, 5, 45, 5 } ;
B)int n{} = { 2, 4, 12, 5, 45, 5 } ;
C)int n{6} = { 2, 4, 12 } ;
D)int n(6) = { 2, 4, 12, 5, 45, 5 } ;

Question 10

An array elements are always stored in _________ memory locations.

A)sequential
B)random
C)sequential and random
D)none of the above

Question 11

What is the right way to access value of structure variable book{ price, page }?

A)printf("%d%d", book.price, book.page);
B)printf("%d%d", price.book, page.book);
C)printf("%d%d", price::book, page::book);
D)printf("%d%d", price->book, page->book);

Question 12

perror( ) function used to ?

A)work same as printf()
B)prints the error message specified by the compiler
C)prints the garbage value assigned by the compiler
D)none of the above

Question 13

Bitwise operators can operate upon?

A)double and chars
B)floats and doubles
C)ints and floats
D)ints and chars

Question 14

What is C Tokens?

A)the smallest individual units of c program
B)the basic element recognized by the compiler
C)the largest individual units of program
D)a & b both

Question 15

What is Keywords?

A)keywords have some predefine meanings and these meanings can be changed.
B)keywords have some unknown meanings and these meanings cannot be changed.
C)keywords have some predefine meanings and these meanings cannot be changed.
D)none of the above

Question 16

What is constant?

A)constants have fixed values that do not change during the execution of a program
B)constants have fixed values that change during the execution of a program
C)constants have unknown values that may be change during the execution of a program
D)none of the above

Question 17

Which is the right way to declare constant in C?

A)int constant var =10;
B)int const var = 10;
C)const int var = 10;
D)b & c both

Question 18

Which operators are known as Ternary Operator?

A)::,
B)11eec8b1_8eec_bd1d_b236_b5d684621743_MM116_11 , :
C) 11eec8b1_8eec_bd1d_b236_b5d684621743_MM116_11, ;;
D)none of the above

Question 19

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

A)constant
B)variable
C)special symbol
D)none of the above

Question 20

What is the work of break keyword?

A)halt execution of program
B)restart execution of program
C)exit from loop or switch statement
D)none of the above

Question 21

What is function?

A)function is a block of statements that perform some specific task.
B)function is the fundamental modular unit. a function is usually designed to perform a specific task.
C)function is a block of code that performs a specific task. it has a name and it is reusable
D)all the above

Question 22

Which one of the following sentences is true ?

A)the body of a while loop is executed at least once.
B)the body of a do ... while loop is executed at least once.
C)the body of a do ... while loop is executed zero or more times.
D)a for loop can never be used in place of a while loop.

Question 23

A binary tree with 27 nodes has _______ null branches.

A)54
B)27
C)26
D)none of the above

Question 24

Which one of the following is not a linear data structure?

A)array
B)binary tree
C)queue
D)stack

Question 25

Recursive functions are executed in a?

A)first in first out order
B)load balancing
C)parallel fashion
D)last in first out order