HPSSC JOA (IT) Post Code 817 (2021) - Practice Test (Part 1)

Question 1

What will be the output produced by the following code segment in a C program?
int a = 7, b = 8;
printf("%d", a & b);

Accepted Answer

0

Answer

15

Answer

7

Answer

8

Question 2

Which is a derived data type in C language that consists of different members sharing the same memory location?

Accepted Answer

Union

Answer

Structure

Answer

Pointer

Answer

Array

Question 3

In C language, all the preprocessor directives begin with which character?

Accepted Answer

# (hash)

Answer

& (ampersand)

Answer

% (percent)

Answer

@ (at)

Question 4

The bitwise exclusive OR (XOR) operator in C language is represented by which symbol?

Accepted Answer

^ (caret)

Answer

& (ampersand)

Answer

| (vertical bar)

Answer

$ (dollar)

Question 5

Which of the following operators in C language has two variants called pre and post?

Accepted Answer

Increment

Answer

Left shift

Answer

Address

Answer

Multiplication

Question 6

In C language, all the character strings terminate with which character?

Accepted Answer

\0 (null character)

Answer

(newline)

Answer

(horizontal tab)

Answer

\s (whitespace)

Question 7

Which of the following standard library functions in C language is used for formatted output?

Accepted Answer

printf()

Answer

putchar()

Answer

scanf()

Answer

puts()

Question 8

What is the format specifier used in scanf() to read a single character from the standard input?

Accepted Answer

%c

Answer

%s

Answer

%u

Answer

%e

Question 9

What will be the output produced by the following code segment in a C program?
int a = 5, b;
b = ++a + 7/2;
printf("%d", b);

Accepted Answer

9

Answer

6

Answer

8

Answer

7

Question 10

Which of the following statements is NOT true about variables in C programming language?

Accepted Answer

The variables can be declared anywhere within a program without scope rules.

Answer

A variable can only hold values permitted by its data type.

Answer

The variable names are case-sensitive.

Answer

The variables can be declared and initialized simultaneously.

Question 11

If the size of short data type in a C implementation is 2 bytes, then what is the maximum positive value that can be stored in a signed variable of this type?

Accepted Answer

32767

Answer

16384

Answer

65536

Answer

32768

Question 12

What is the decimal representation of the 2's complement number 1101011?

Accepted Answer

-21

Answer

20

Answer

-19

Answer

-43

Question 13

How many bits are used for the fractional/mantissa part in IEEE 754 floating-point single-precision representation?

Accepted Answer

23

Answer

31

Answer

32

Answer

24

Question 14

Which generation of programming languages make use of compilers and interpreters?

Accepted Answer

Third Generation

Answer

First Generation

Answer

Second Generation

Answer

None of these

Question 15

What is the full form of DHCP with respect to computer networking?

Accepted Answer

Dynamic Host Configuration Protocol

Answer

Domain Hosting Control Protocol

Answer

Device Handshake Communication Protocol

Answer

Data Handling Computer Program

Question 16

What is the full form of Wi-Fi with respect to computer networks?

Accepted Answer

Wireless Fidelity

Answer

Wireless Fiber

Answer

Wireless in Fixed interior

Answer

Wired Fiber

Question 17

A ________ is a part of the operating system that handles the core functions (like CPU scheduling and memory management etc.) of the OS.

Accepted Answer

Kernel

Answer

Semaphore

Answer

Shell

Answer

Device driver

Question 18

A scanner may have an ADF to feed pages for scanning. What is the full form of ADF in this statement?

Accepted Answer

Automatic Document Feeder

Answer

Adobe Document Feeder

Answer

Automatic Data Formatting

Answer

Adobe Data Feeder

Question 19

How many bytes are there in $1	ext{ MiB}$ (Mebibyte)?

Accepted Answer

$2^{20}$

Answer

$10^6$

Answer

$2^{16}$

Answer

$10^5$

Question 20

Which of the following is the correct ordering of memory capacity units in increasing order?

Accepted Answer

GB < TB < PB < EB

Answer

GB < PB < TB < EB

Answer

EB < TB < PB < GB

Answer

GB < TB < EB < PB

Question 21

The terms 'hit' and 'miss' are associated with which type of memory in computer systems?

Accepted Answer

Cache memory

Answer

Secondary memory

Answer

Main memory

Answer

Read-only memory

Question 22

Which type of printer contains a fuser assembly?

Accepted Answer

Laser

Answer

Thermal

Answer

Dot Matrix

Answer

InkJet

Question 23

By using _______ option while printing multiple copies of a multi-page document, the printer will print all pages of each copy before printing the next copy.

Accepted Answer

Collate

Answer

Filter

Answer

Orientation

Answer

Sort

Question 24

The _____ provides mobile users with positioning, navigation and timing (PNT) services worldwide.

Accepted Answer

GPS

Answer

EDGE

Answer

Bluetooth

Answer

GPRS

Question 25

Image ________ is the process of removing the unwanted outer areas from a photographic image.

Accepted Answer

Cropping

Answer

Cloning

Answer

Scaling

Answer

Anti-aliasing

HPSSC JOA (IT) Post Code 817 (2021) - Practice Test (Part 1)

What will be the output produced by the following code segment in a C program? int a = 7, b = 8; printf("%d", a & b);