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1620 0

Q: Operating system functions may include

1
multiprogramming
2
input/output control
3
virtual storage
4
All the above

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Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation: An operating system has three main functions: (1) manage the computer's resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface, and (3) execute and provide services for applications software.

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