A virus is a program that makes the computer slow and causes trouble.
Why are they called Virus?
How will we know if our computer is virus affected?
What are the ways can computer virus spread?
Type of computer virus
Classifications of Virus
A virus can be broadly classified into three categories:
Anti-Virus Software
Definition –
Functions –
Ways to avoid the virus attacks –
Below listed are the important tips on preventing malware safe from infecting your computer.
Cyber Crime –
Backup and Restore –
To back and restore data was introduced by Microsoft Windows in Windows Vista OS and later versions allowed users to create backups and restore from backups.
To back up your files
Start button >> Control Panel >> System and Maintenance >> Backup and Restore.
Restore files from a backup
Start button >> Control Panel >> System and Maintenance >> Backup and Restore.
Recap
A virus is a program that makes the computer slow and causes trouble.
Anti-Virus Software
Ways to avoid the virus attacks
Important tips on preventing malware
Cyber Crime
Backup and Restore
Q.1 |
What term is used if a search engine returns a web page if a match is found? |
a) | Link |
b) | Hit |
c) | Blog |
d) | Success |
Q.2 |
Which of the following is not a feature of the Internet? |
a) | News Group |
b) | Designing |
c) | |
d) | Chat |
Q.3 |
Before downloading which package can be downloaded through internet for testing purpose? |
a) | Shareware |
b) | Pirated Software |
c) | Backup Copy |
d) | Beta Software |
Q.4 |
Which of the following is a set of protocols? |
a) |
TCP/IP |
b) | TCD/IT |
c) | TCD/IP |
d) | TCP/IT |
Q.5 |
In a network, if a computer shares resources to be used by others then that computer is called as? |
a) | Client |
b) | Mainframe |
c) | Server |
d) | Peer |
Q.6 |
Which one of the following is true with respect to URL? |
a) | An address of page on World Wide Web |
b) | A Computer Software Program |
c) | An Acronym For Unlimited Resource For Learning |
d) | A type of Programming Object |
Q.7 |
When computers are connected in LAN, then? |
a) | Computers do not interact |
b) | Computers can run faster |
c) | Computers can go on line |
d) | Computers can share information and can share peripheral equipment |
Q.8 |
Based on the packet's address, the device that has been designed to forward packets to specific ports is? |
a) | Speciality Hub |
b) | Filtering Hub |
c) | Switching Hub |
d) | Port Hub |
Q.9 |
_______ topology is not of a broadcast type? |
a) | Bus |
b) | Ring |
c) | Mesh |
d) | Star |
Q.10 |
Which one of the devices is needed to communicate with computers using telephone lines? |
a) | Modem |
b) | Disk |
c) | USB |
d) | VDU |
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