Page 78 - IT 402 v2.0 class 10
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. hat is Spyware
ns. Spyware is a program which infects and collects information of the computer without the owner s knowledge or
consent. spyware generally infects a computer system by getting transmitted through Internet via websites
webpages or emails. It intrudes into a computer and silently steals the data of the computer. In other words
it refers to that kind of software which can track the activities of a computer system and report to the users.
eylogger is an example of a spyware.
B. Application based questions:
. arry has accidentally deleted some important files. e wants those files back. ow can he retrieve those files
ns. e can restore files from the ecycle bin.
. radya is making a presentation on her computer and listening to her favourite songs at the same time her boss
has asked her to check the mail. hich feature of an operating system has enabled radya to do many tasks at
the same time on her computer
ns. Multitasking
Unsolved Exercise
Section A
(Objective Type Questions)
A. Multiple choice questions:
. hich of the following functions is not performed using a mouse N
i. urn on ii. over
iii. ight click iv. rag and rop
. hat is the term used when you press and hold the left mouse key and move the mouse around N
i. ighlighting ii. ragging
iii. Selecting iv. Moving
. hich of the following is a valid file extension for image file
i. . pg ii. .doc
iii. .text iv. .txt
. hat happens if you leave a device plugged in even after it is charged N
i. It can break. ii. It can stop functioning.
iii. It can over-heat. iv. ata can get corrupt.
5. ow can an anti-virus protect your device N
i. It can protect it from over-heating. ii. It can increase its performance.
iii. It can prevent data from getting corrupt. iv. It can backup data.
. hich option is not re uired to keep a device cool N
i. eep the device unplugged when in use. ii. o not cover a laptop with a blanket.
iii. Make sure computer s fan is working. iv. void leaving the device in the sun.
. hich of the following is essential for maintaining keyboard N
i. urn the keyboard upside down and shake it to remove foreign material.
ii. low dust and other particles with help of a blower.
Touchpad Information Technology-X

