26. Which type of software is used to perform tasks such as disk defragmentation, virus scanning, and system backup and recovery?
a) Application software
b) Utility software
c) Operating system software
d) System software
Answer: b) Utility software
27. Which of the following is an example of hardware?
a) Operating system
b) Word processor
c) Printer
d) Spreadsheet
Answer: c) Printer
28. Which of the following is an example of software?
a) Computer case
b) Keyboard
c) Mouse
d) Web browser
Answer: d) Web browser
29. Which component of a computer is responsible for processing data?
a) Hard disk drive
b) Central processing unit (CPU)
c) Random access memory (RAM)
d) Graphics processing unit (GPU)
Answer: b) Central processing unit (CPU)
30. Which of the following is not an input device?
a) Keyboard
b) Monitor
c) Scanner
d) Mouse
Answer: b) Monitor
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