Answer / Alok Katiyar

A Disk Operating System manages the interaction between a computer's hardware (such as the disk drives and the CPU) and software applications, providing services such as file management, memory management, and process management.

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Explain the characteristics of instruction and execution time.

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Which one you will use to implement critical section?

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Can I have two operating systems on one computer?

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Explain what is a semaphore?

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Explain pcb.

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Differentiate between RAM and ROM?

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Explain the key object oriented concepts used by windows nt?

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