Page 153 - Viva ICSE Computer Studies 7 : E-book

6. Arun created a network of computers with the rest of the computers in his house. But now, the
systems get unexpected error messages and the speed of the systems is also reduced. What
could be the possible reason for this?

(a) The systems are infected with Sunday.
(b) The systems are infected with SQL Scanner.
(c) The systems are infected with Elkern and Marburg.

(d) The systems require an update.

7. To avoid viruses, the safest way to share fi les and folders is through___________ .
(a) pen drive
(b) e-mail

(c) CD-ROM
(d) bluetooth

8. Identify the given image and choose the correct answer.
(a) Motherboard, most essential part of a computer system, holds
the central processing unit (CPU), memory and connectors for
input and output devices.
(b) Sound card, also known as audio adapter, expansion component
to receive and send audio
(c) Video card, expansion card connected to a motherboard
(d) Sound card, expansion card connected to a motherboard

9. Identify the give image.
(a) ROM

(b) PROM
(c) EEPROM
(d) RAM

10. Choose the correct feature of the given image.

(a) Designed to disperse the heat generated by the monitor and cools it for
improved performance

(b) Designed to disperse the heat generated by the CPU and cools it for
improved performance
(c) Designed to improve performance
(d) Designed to disperse the surrounding heat

11. Which of the following guidelines should not be followed while working online?
(a) Access others’ systems to perform your login activities.

(b) Do not log in to unwanted websites.
(c) Avoid adding unknown people into your social networking account.
(d) Be careful while replying on any of the posts on social networking sites.

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