Operating System (OS)
What is the method of handling deadlocks?

Allow the system to enter the deadlock state and then recover
Pretend that deadlocks never occur in the system
All of these
Use a protocol to ensure that the system will never enter a deadlock state

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Operating System (OS)
All of the following are task performed by the operating system except

Controlling the access that application program has to the CPU
Performing housekeeping task like file compression and disk defragmentation
Managing hardware on the computer
Provides an interface for user to interact with computer

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