Exercise: Operating Systems Concepts

Questions for: Operating Systems Concepts

In which addressing mode the effective address of the operand is the contents of a register specified in the instruction and after accessing the operand, the contents of this register is incremented to point to the next item in the list?
A:
index addressing
B:
indirect addressing
C:
auto increment
D:
auto decrement
Answer: C
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Which of the following are(is) Language Processor(s)
A:
assembles
B:
compilers
C:
interpreters
D:
All of the above
Answer: D
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Fragmentation of the file system
A:
occurs only if the file system is used improperly
B:
can always be prevented
C:
can be temporarily removed by compaction
D:
is a characteristic of all file systems
Answer: C
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In virtual memory systems, Dynamic address translation
A:
is the hardware necessary to implement paging
B:
stores pages at a specific location on disk
C:
is useless when swapping is used
D:
is part of the operating system paging algorithm
Answer: A
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The Memory Address Register
A:
is a hardware memory device which denotes the location of the current instruction being executed.
B:
is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.
C:
contains the address of the memory location that is to be read from or stored into.
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".
Answer: C
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