Q: What is a process in an operating system?

A A program in execution
B A file in storage
C An input/output device
D A user account
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Answer: A

Explanation:

Answer: A) A program in execution

In an operating system, a process refers to a program in execution. When a program is loaded into memory and begins to run, it becomes a process. A process contains the program code as well as other information such as the program counter, stack pointer, and memory allocation. Processes are managed by the operating system, which allocates resources such as memory and CPU time to them. The operating system also schedules processes to run in a specific order to ensure efficient use of resources and proper functioning of the system.

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