Class-8 | Ch-7 Internet and Virus

 1) How does information get transferred through the internet?

Answer | The information get transferred through the internet between the sender and receiver using IP address and some set of rules that's called protocol.

The TCP/IP is one of the most common protocol that's use to transfer information through the internet.

2) What are protocols? Name some commonly used protocols.

Answer | Protocols are set of rules that the computer connected in network.

The some commonly used protocols are:-

1) HTTP (Hypertext Transferred Protocols)

2) FTP

3) Telnet

4) TCP/IP

5) SMTP

3) What is FTP? Discuss briefly.

Answer | FTP is a File Transfer Protocol that's use to transfer information from local computer to server and vice-versa. i.e. uploading and downloading process done by the FTP.

4) Name the different types of computer viruses.

Answer| There are following types of computer viruses are:-

1) Program Viruses

2) Boot Viruses

3) Email Viruses

4) Macro Viruses

5) Name any three ways in which you can protect your computer from viruses.

Answer | The three ways in which computer can protect from viruses:-

1) Install legal copy virus removal antivirus software. 

2) Scan all external removal disk's.

3) Update antivirus regularly and take backup of hard-disk.

6) What is an antivirus software? Name any three popular antivirus software.

Answer | Antivirus software is a computer software used to identify and remove computer virus.

The three popular antivirus software are:-

1) Quick Heal antivirus.

2) McAfee antivirus.

3) AVG antivirus.

7) Write the steps to scan your computer with Quick Heal antivirus software in brief.