C Programming Basic Set 1

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This set of C Programming Basic Multiple Choice Questions & Answers (MCQs) focuses on C Programming Basic Set 1

Q1 | Who is father of C Language?

bjarne stroustrup

dennis ritchie

james a. gosling

dr. e.f. codd

Q2 | C Language developed at _____?

at & t\s bell laboratories of usa in 1972

at & t\s bell laboratories of usa in 1970

sun microsystems in 1973

cambridge university in 1972

Q3 | For 16-bit compiler allowable range for integer constants is ______ ?

-3.4e38 to 3.4e38

-32767 to 32768

-32768 to 32767

-32668 to 32667

Q4 | C programs are converted into machine language with the help of

an editor

a compiler

an operating system

none of the above

Q5 | A C variable cannot start with

an alphabet

a number

a special symbol other than underscore

both (b) and (c)

Q6 | Which of the following is allowed in a C Arithmetic instruction

[]

{}

()

none of the above

Q7 | Which of the following shows the correct hierarchy of arithmetic operations in C

/ + * -

* - / +

+ - / *

* / + -

Q8 | What is an array?

an array is a collection of variables that are of the dissimilar data type.

an array is a collection of variables that are of the same data type.

an array is not a collection of variables that are of the same data type.

none of the above.

Q9 | What is right way to Initialization array?

int num[6] = { 2, 4, 12, 5, 45, 5 } ;

int n{} = { 2, 4, 12, 5, 45, 5 } ;

int n{6} = { 2, 4, 12 } ;

int n(6) = { 2, 4, 12, 5, 45, 5 } ;

Q10 | An array elements are always stored in _________ memory locations.

sequential

random

sequential and random

none of the above

Q11 | What is the right way to access value of structure variable book{ price, page }?

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

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

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

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

Q12 | perror( ) function used to ?

work same as printf()

prints the error message specified by the compiler

prints the garbage value assigned by the compiler

none of the above

Q13 | Bitwise operators can operate upon?

double and chars

floats and doubles

ints and floats

ints and chars

Q14 | What is C Tokens?

the smallest individual units of c program

the basic element recognized by the compiler

the largest individual units of program

a & b both

Q15 | What is Keywords?

keywords have some predefine meanings and these meanings can be changed.

keywords have some unknown meanings and these meanings cannot be changed.

keywords have some predefine meanings and these meanings cannot be changed.

none of the above

Q16 | What is constant?

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

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

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

none of the above

Q17 | Which is the right way to declare constant in C?

int constant var =10;

int const var = 10;

const int var = 10;

b & c both

Q18 | Which operators are known as Ternary Operator?

::, ?

?, :

?, ;;

none of the above

Q19 | In switch statement, each case instance value must be _______?

constant

variable

special symbol

none of the above

Q20 | What is the work of break keyword?

halt execution of program

restart execution of program

exit from loop or switch statement

none of the above

Q21 | What is function?

function is a block of statements that perform some specific task.

function is the fundamental modular unit. a function is usually designed to perform a specific task.

function is a block of code that performs a specific task. it has a name and it is reusable

all the above

Q22 | Which one of the following sentences is true ?

the body of a while loop is executed at least once.

the body of a do ... while loop is executed at least once.

the body of a do ... while loop is executed zero or more times.

a for loop can never be used in place of a while loop.

Q23 | A binary tree with 27 nodes has _______ null branches.

none of the above

Q24 | Which one of the following is not a linear data structure?

array

binary tree

queue

stack

Q25 | Recursive functions are executed in a?

first in first out order

load balancing

parallel fashion

last in first out order