Page 34 - 2502_Pakistan-kifayat_C-8

Scratch Your Brain. Century #Critical Thinking
21 st
Skills #Information Literacy
1. Solve the crossword on the basis of given clues.
ACROSS:

3. A wireless communication system that connects mobile devices to the Internet

5. A technology that uses visible light for high-speed wireless data transmission
6. A card or chip that allows a computer to connect to a network

8. The process of converting digital signals into analog signals

DOWN:
1. A communication system that uses satellites to send and receive signals

2. A cable that uses glass or plastic fibers to transmit data as light pulses

4. A network limited to a small geographical area like a school or office
7. A device used to connect two different networks using different protocols

1 2
4 S
3 E L 5 I

7
6 N G E

8 M L N

Y C

2. Competency-based/Application-based questions.

a. Ali is trying to access the Internet on his laptop in a cafe using public Wi-Fi. He is concerned about
his privacy. Which technology can help protect his data, and how does it work to secure his online
activity?

b. Yusuf is setting up a computer lab in his school and wants to connect all computers so they can
share a printer and files. Which type of network should he use and why is it suitable for this
purpose?

32 Premium Edition-VIII