61. Which of the following is an example of a file extension for a document file?
a) .txt
b) .jpg
c) .pdf
d) .mp3
Answer: c) .pdf
62. Which component of a computer system is responsible for processing graphics and images?
a) RAM
b) CPU
c) Hard disk
d) GPU
Answer: d) GPU
63. Which of the following is an example of an open source web browser?
a) Google Chrome
b) Mozilla Firefox
c) Internet Explorer
d) Safari
Answer: b) Mozilla Firefox
64. Which type of software is designed to detect and remove viruses and other malware?
a) System software
b) Application software
c) Programming software
d) Antivirus software
Answer: d) Antivirus software
65. Which of the following is an example of a file extension for a spreadsheet file?
a) .docx
b) .xls
c) .jpg
d) .mp3
Answer: b) .xls
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