CS201 midterm mcqs preparation 2022

Created on June 19, 2022 By

admin

cs201 mid term mcq's 2022

1 / 26

int i = 2.5; do { cout i * 2; } while (i > 3 && i < 10);

510

error

2 / 26

Searching is easier when an array is already sorted

True

False

3 / 26

If an array has 100 elements, what is allowable range of subscripts?

0 - 99

1 - 99

0 - 100

1 - 100

4 / 26

What will be the value of ‘a’ and ‘b’ after executing the following statements?

a = 3;

b = a++;

3, 4

4, 4

3, 3

4, 3

5 / 26

What will be the correct syntax to initialize all elements of two-dimensional array to

value 0?

int arr[2][3] = {0,0} ;

int arr[2][3] = {{0},{0}} ;

int arr[2][3] = {0},{0} ;

int arr[2][3] = {0} ;

6 / 26

Which of the following function returns the size of a string variable?

strlength()

stringlen()

strlen()

strLength()

7 / 26

Computer can understand only machine language code.

True

false

8 / 26

If the file is not properly closed in the program, the program ____________.

Terminate normally

Indicate Runtime error

Indicate Compile time error

Crashes

9 / 26

Which of the following header file include string conversion functions?

string.h

stdlib.h

ctype.h

sconvert.h

10 / 26

The function of cin is

To display message

To read data from keyboard

To display output on the screen

To send data to printer

11 / 26

Word processor is

Operating system

Application software

Device driver

Utility software

12 / 26

In C/C++ language the header file which is used to perform useful task and manipulation

of character data is

cplext.h

ctype.h

stdio.h

delay.h

13 / 26

Each pass through a loop is called a/an

enumeration

Iteration

culmination

pass through

14 / 26

What is the correct syntax to declare an array of size 10 of int data type?

int [10] name ;

name[10] int ;

int name[10] ;

int name[] ;

15 / 26

Which of the following operator is used to access the value of variable pointed to by a

pointer?

* operator

-> operator

&& operator

& operator

16 / 26

Analysis is the -------------- step in designing a program

Last

Middle

Post Design

First

17 / 26

Paying attention to detail in designing a program is _________

Time consuming

Redundant

Necessary

Somewhat Good

18 / 26

statement in curly braces is,

Not required

Good programming

Relevant

Must

19 / 26

The while loop becomes infinite,

When the condition is always false

When the condition is less than zero

When the condition is always true

When the condition contains a logical operator

20 / 26

Which of the following function(s) is/are included in stdlib.h header file?

double atof(const char *nptr)

int atoi(const char *nptr)

char *strcpy ( char *s1, const char *s2)

1 and 2 only

21 / 26

If we want to store a string “abc” in an array str then the size of this array must be

at least,

22 / 26

a single command using cout?

cout << "Hello" + x + "\n";

cout << "H" << x << "\n";

cout << "H", x, "\n";

cout << ("H" & x & "\n");

23 / 26

Which of the following is correct way to initialize a variable x of int type with value

10?

int x ; x = 10 ;

int x = 10 ;

int x, x = 10;

x = 10 ;

24 / 26

If there is more than one statement in the block of a for loop, which of the

following must be placed at the beginning and the ending of the loop block?

parentheses ( )

braces { }

brackets [ ]

arrows

25 / 26

Name of an array is a constant pointer.

True

false

26 / 26

What will be the value of ‘a’ and ‘b’ after executing the following

statements?

a = 3;

b = a++;

3, 4

4, 4

3, 3

4, 3

Your score is

The average score is 62%

VU

School&CLG