46. What is the purpose of computer backup?
a) to store data
b) to process data
c) to display data
d) to create copies of data for recovery in case of data loss or corruption
Answer: d) to create copies of data for recovery in case of data loss or corruption (backup is the process of creating copies of important data and storing them in a secure location for recovery in case of data loss or corruption)
47. Which of the following is an example of a computer input device?
a) printer
b) scanner
c) monitor
d) speaker
Answer: b) scanner (an input device allows a computer to receive data or information, such as a scanner, keyboard, or microphone)
48. What is the purpose of computer RAM?
a) to store data permanently
b) to process data
c) to display data
d) to temporarily store data and instructions for faster access by the CPU
Answer: d) to temporarily store data and instructions for faster access by the CPU (RAM, or Random Access Memory, is a type of volatile memory used to temporarily store data and instructions for faster access by the CPU)
49. Which of the following is an example of a computer virus?
a) Trojan horse
b) spyware
c) adware
d) firewall
Answer: a) Trojan horse (a virus is a type of malicious software designed to spread and cause damage to a computer or network, such as a virus, Trojan horse, or worm)
50. What is the purpose of computer firewall?
a) to store data
b) to process data
c) to display data
d) to protect a computer or network from unauthorized access or malicious attacks
Answer: d) to protect a computer or network from unauthorized access or malicious attacks (a firewall is a hardware or software component that filters network traffic and controls access to a computer or network, protecting it from
