21. Which of the following is an example of a computer programming language?
a) HTML
b) HTTP
c) SMTP
d) FTP
Answer: a) HTML (HTML stands for Hypertext Markup Language and is used for creating web pages)
22. What is the purpose of a computer firewall?
a) to prevent unauthorized access to a computer or network
b) to display data
c) to process data
d) to store data
Answer: a) to prevent unauthorized access to a computer or network (a firewall is a security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules)
23. Which of the following is an example of a computer virus?
a) Google Chrome
b) Microsoft Word
c) WannaCry
d) Dropbox
Answer: c) WannaCry (a computer virus is a type of malicious software that can replicate itself and cause harm to a computer system)
24. What is the purpose of a computer graphics card?
a) to process data
b) to store data
c) to display data
d) to run computer programs
Answer: c) to display data (a graphics card, also known as a video card, is responsible for rendering images and videos on a computer screen)
25. Which of the following is an example of a computer peripheral?
a) CPU
b) RAM
c) hard drive
d) printer
Answer: d) printer (a peripheral is an external device that connects to a computer system to provide additional functionality, such as a printer or a scanner)
