Q.1. Fill in the blanks. (01 x 10 = 10)1. A computer network consists of ______________ basic components.
2. NIC stands for ___________________________________.
3. ________________________ is global navigation satellite system.
4. An e-mail virus is a computer code sent as ________________ to other computers.
5. Software which has been duplicated and distributed without authorization is called ______________ software.
6. ______________ is a file created by Excel spreads sheet application.
7. Next to the Microsoft Office Button is ___________________.
8. _____________ Box displays the reference of the active cell.
9. _____________ are the graphical representation of data entered in a worksheet.
10. People who indulge themselves in hacking activities are called _____________.
Q.2. Match Column A with Column B. (01 x 10 = 10)Column A Column B Column CSending Device Coaxial Cable
Communication Device NIC
Transmission Media Glass threads
Network A Computer
Fiber Optic Modem
Virus Current viruses
Hacker Malicious program
Pirated Software Adware
Virus definitions Steals Password
Antivirus AVG
Illegal copying
Q.3. Answer the following questions. (Any TEN) (3 x 10 = 30)1. What is Antivirus?
2. Who is hacker? What can a hacker do?
3. Differentiate between LAN and WAN.
4. What is Satellite Communication?
5. Name different types of transmission media.
6. Write a short note on GPS.
7. List some effects / indicators of security threats.
8. Discuss different components of a computer network.
9. How a Modem works? Show diagrammatically.
10. What is coaxial cable? Write its characteristics.
11. What is difference between virus and worms?
12. Write a short note on Bluetooth.