CSE :: Operating System Concepts
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Which of the following statements is false?
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Nonmodifiable procedures are called
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The instruction register
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Which of the following scheduling objectives should be applied to the following: the system should admit jobs to create a mix that will keep most devices busy
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Multiprogramming systems:
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Backups should be done
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In an absolute loading scheme, which loader function is accomplished by assembler.
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The command interpreter
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A task in a blocked state
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System maintenance:
A.
a process scheduling algorithm is preemptive if the CPU can be forcibly removed from a process
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B.
time sharing systems generally use preemptive CPU scheduling
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C.
response time are more predictable in preemptive systems than in non preemptive systems
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D.
real time systems generally use non-preemptive CPU scheduling
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E.
None of the above
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A.
is a hardware memory device which denotes the location of the current instruction being executed.
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B.
is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.
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C.
contains the address of the memory location that is to be read from or stored into.
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D.
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".
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E.
None of the above
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