Computer system maintenance

What is the correct definition of computer system maintenance?

• practice of keeping a computer in good state of performance through routine maintenance

• Buying a good computer system and connecting it to internet

• installation of antivirus program

• none of the above

A computer infected by a virus may show the following signs except

• spontaneous restarts

• blue screen of death

• short circuiting

• overheating

Armstrong was using his laptop on the internet. suddenly all his files were encrypted and requested him to pay some amount before they were decrypted. identify this type of attack

The following are types of malware except?

• Boat

• virus

• trojan

• logic bombs

The most often attack used by people who want to check on the computer activities of loved ones is called

Which type of ROM memory is only programmed once by the manufacturer?

• EEPROM

• EPROM

• PROM

• ROM

The following are classifications of computer hardware devices, except?

• input devices

• output devices

• display devices

• processing devices

The interface between a computer and its peripheral devices is called?

Computer ports are classified according to the following classes except?

• Gender

• speed

• symbol

• input

The practice of keeping a copy of original data for retrieval in case of data outage is called