Operating Systems Concepts - Section 5 Multiple Questions and Answers.




31.Resolution of externally defined symbols is performed by
A. Linker
B. Loader
C. Compiler
D. Assembler

32.System generation:
A. is always quite simple
B. is always very difficult
C. varies in difficulty between systems
D. requires extensive tools to be understandable

33.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".

34.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

35.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

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