computer MCQs - 10th class Chapter 05 Mcqs

1

A good problem-solving approach to divide a problem into smaller parts is called?

A

Top-down design

B

Bottom-up design

C

Divide and conquer

D

Procedural programming

2

A function is a block of statements that performs a ____ task.

A

general

B

particular

C

complex

D

simple

3

Which of the following is mentioned as a built-in function in the text?

A

add()

B

main()

C

printf()

D

isPrime()

4

Functions which are available in the C Standard Library are called?

A

User-defined functions

B

Standard functions

C

Built-in functions

D

Library functions

5

Functions defined by a programmer are known as?

A

Custom functions

B

User-defined functions

C

Programming functions

D

Main functions

6

One of the primary advantages of functions is the ____ of code.

A

reusability

B

readability

C

complexity

D

security

7

Using functions to separate code for different tasks helps in ____.

A

slowing down the program

B

making the program complex

C

easier debugging and management

D

reducing reusability

8

What does a function signature define?

A

The logic of the function

B

The variables used inside the function

C

The inputs and output of a function

D

The location of the function in memory

9

The inputs to a function are called its ____.

A

arguments

B

return values

C

variables

D

parameters

10

What is the output of a function called?

A

result

B

return value

C

output parameter

D

final value

11

How many values can a function return at most?

A

One

B

Two

C

As many as needed

D

Depends on the function

12

In the signature 'int square(int);', what is 'int' at the beginning?

A

Parameter type

B

Function name

C

Return type

D

Data type of a variable

13

The set of statements enclosed within {} in a function definition is called the ____.

A

signature

B

body

C

header

D

footer

14

The 'return' keyword is used to ____.

A

start a function

B

declare a variable

C

return a value from a function

D

print a value

15

What happens when a 'return' statement is executed in a function?

A

The function continues execution

B

The control is transferred back to the calling function

C

The program terminates

D

A compiler error occurs

16

How do we use a function to perform its programmed task?

A

By defining it

B

By declaring it

C

By calling it

D

By including its header file

17

In a function call, the values passed to the function are called ____.

A

parameters

B

arguments

C

references

D

data types

18

The variables in the function definition that receive values are called ____.

A

arguments

B

parameters

C

placeholders

D

receivers

19

When variables are passed as arguments to a function, the function works on a ____ of these variables.

A

reference

B

pointer

C

copy

D

original value

20

If the called function's definition appears after the calling function's definition, what is required?

A

A comment explaining the function

B

The function's signature before the call

C

Inclusion of a special library

D

Nothing is required

21

In the function 'int add(int x, int y)', x and y are ____.

A

arguments

B

return types

C

function names

D

parameters

22

In the statement 'sum = add(n1, n2);', n1 and n2 are ____.

A

parameters

B

return values

C

arguments

D

declarations

23

Can the names of arguments in a function call be the same as the parameter names in the function definition?

A

Yes, always

B

No, never

C

Yes, it is possible

D

It causes a compiler error

24

If you pass variables with the same names as the parameters, the function still uses a ____.

A

global version

B

reference

C

copy of the variables

D

static version

25

The 'main()' function in a C program is an example of a ____ function.

A

built-in

B

user-defined

C

standard library

D

pre-defined

26

What is the purpose of the 'printf' function?

A

To take input from the user

B

To display output on the screen

C

To perform mathematical calculations

D

To define a new function

27

What is the purpose of the 'scanf' function?

A

To display output

B

To take input from the user

C

To format text

D

To stop the program

28

Dividing a program into multiple functions improves its ____.

A

execution speed

B

complexity

C

readability

D

size

29

Which term refers to the function name, its parameters, and the return type?

A

Function body

B

Function definition

C

Function signature

D

Function call

30

What does 'reusability' in the context of functions mean?

A

The function can be used only once

B

The same set of statements needs to be written multiple times

C

The function can be called whenever its functionality is needed

D

The function reuses variables from other functions

31

In 'float perimeter(float, float);', how many parameters does the function take?

A

One

B

Two

C

Three

D

Zero

32

The body of a function contains the ____ which are executed.

A

declarations

B

signatures

C

set of statements

D

return types

33

A function call transfers the ____ to the called function.

A

data

B

variables

C

control

D

memory

34

After a called function completes its execution, where does the control transfer back to?

A

The start of the program

B

The operating system

C

The calling function

D

The end of the program

35

A function cannot return more than ____ value(s).

A

one

B

two

C

three

D

four

36

What is the return type of the function with the signature 'int isVowel(char);'?

A

char

B

void

C

float

D

int

37

The function definition contains the actual ____ of the function.

A

call

B

logic

C

signature

D

return value

38

If a function has three return statements, how many of them will be executed in a single call?

A

All three

B

The first and the last

C

Only the first one encountered

D

Two

39

Readability of code is improved by ____.

A

using complex variable names

B

writing the entire code in main()

C

dividing the program into functions

D

using as few functions as possible

40

What are the two basic types of functions in C?

A

Internal and External

B

System and Custom

C

Static and Dynamic

D

Built-in and User-defined

41

According to the text, handling the complexity of a problem is an advantage of using ____.

A

variables

B

loops

C

functions

D

data types

42

What is the correct way to call the function defined as 'void showPangram()'?

A

showPangram;

B

call showPangram();

C

showPangram();

D

void showPangram();

43

The variables passed to a function are called arguments, while the variables that receive them are called ____.

A

receivers

B

containers

C

parameters

D

holders

44

In 'return_type function_name(data_type1, ...);', 'function_name' is the ____.

A

function identifier

B

return value

C

parameter

D

function type

45

The 'divide and conquer' approach is facilitated in C programming by using ____.

A

header files

B

pointers

C

functions

D

structures

46

The function 'scanf' is used for ____ operations.

A

output

B

string

C

mathematical

D

input

47

What will the statement 'return (4, 5);' result in?

A

The function will return 4

B

The function will return 5

C

A compiler error

D

The function will return both 4 and 5

48

Even if parameter names and argument names are the same, the variables used in the function are a ____ of the originals.

A

pointer

B

reference

C

copy

D

link

49

If a called function is defined before the calling function, is a separate function signature required?

A

Yes, always

B

It is good practice

C

No, it is not required

D

Yes, for clarity