Q1: Scandisk is used for .....
- a) removing virus
- b) removing bad clusters
- c) backup data
- d) all of above
Q2: A method of making the data or message unreadable by everyone except the receiver while transmitting through the internet.
- a) digital signature
- b) password
- c) encryption
- d) none of above
Q3: A UPS ...
- a) increases the storage capacity of computer
- b) increases the processing speed
- c) provides backup power in the event of power cut
- d) all of above
Q4: Which device protects hardware?
- a) UPS
- b) MODEM
- c) gateway
- d) all of them
Q5: To protect computer from virus, keep ....
- a) back up
- b) boot up
- c) back off
- d) boost off
