16. What is the purpose of a computer backup?
a) to delete data permanently
b) to save data for future use
c) to process data
d) to display data
Answer: b) to save data for future use (a backup is a copy of important data or files that can be used to restore the original in case of loss or damage)
17. Which of the following is an example of a computer input/output device?
a) CPU
b) RAM
c) hard drive
d) touchscreen
Answer: d) touchscreen (an input/output device allows both input and output operations, such as a touchscreen or a speaker)
18. What is the purpose of a computer server?
a) to display data
b) to store data
c) to process data
d) to run computer programs
Answer: b) to store data (a server is a computer system that provides resources or services to other computers in a network)
19. Which of the following is an example of a computer file system?
a) FAT32
b) Adobe Photoshop
c) Norton Antivirus
d) Google Chrome
Answer: a) FAT32 (a file system is the way in which files are organized and stored on a computer)
20. What is the purpose of computer encryption?
a) to delete data permanently
b) to store data
c) to protect data from unauthorized access
d) to display data
Answer: c) to protect data from unauthorized access (encryption is the process of converting data into a coded language to prevent unauthorized access)
