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)
The instruction register

contains the address of the memory location that is to be read from or stored into.
is a hardware memory device which denotes the location of the current instruction being executed.
None of these
contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".
is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.

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