11)

While working in MS Office software, which of the following commands will you give on a US keyboard layout to undo the previous action?

SSC CHSL 2021

A)

Ctrl + Z

B)

Ctrl + N

C)

Ctrl + C

D)

Ctrl + U

12)

A ______ is an ordered list in which all insertions and deletions are made at one end.

SSC CHSL 2021

A)

queue

B)

stack

C)

rear

D)

front

13)

______ is the easy way to check your favourite websites for updates without having to visit them all.

SSC CHSL 2021

A)

HTML

B)

RSS

C)

PDF

D)

URI

14)

Which of the following languages is an example of fourth generation language in computer programming?

SSC CHSL 2021

A)

SQL

B)

ALGOL

C)

Pascal

D)

SNOBOL

15)

Which type of malware is a program or piece of code that is loaded onto a person’s computer without his knowledge and runs against his wishes?

SSC CHSL 2021

A)

computer virus

B)

adware

C)

phishing

D)

trojan horse

16)

Chad Hurley and Steve Chen are computer innovators credited with co-founding _______.

SSC CHSL 2021

A)

WhatsApp

B)

instagram

C)

YouTube

D)

Facebook

17)

LCD is a basic type of monitor. What is the full form of LCD?

SSC CHSL 2021

A)

Liquid Crystal Diode

B)

Light Component Device

C)

Laser Crystal Display

D)

Liquid Crystal Display

18)

In which year was Microsoft’s Windows operating system first introduced?

SSC CHSL 2021

A)

1991

B)

1993

C)

1989

D)

1985

19)

Which of the following is the core of an operating system?

SSC CHSL 2021

A)

Ventura

B)

Kernel

C)

Xenix

D)

Device Driver

20)

What kind of file has the extension .png?

SSC CHSL 2021

A)

Video file

B)

Image file

C)

Document file

D)

Audio file