CSE :: Operating System Concepts
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Virtual Memory
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In a magnetic disk, data is recorded in a set of concentric tracks which are subdivided into
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The total time to prepare a disk drive mechanism for a block of data to be read from it is
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Part of a program where the shared memory is accessed and which should be executed invisibly, is called
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Indicate which, of the following, is not true about Nassi-Shneiderman charts
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What is the name of the operating system that reads and reacts in terms of actual time.
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An incremental backup
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The powerful text editor called PC-Write can be used by anybody by paying a small fee. Such programs are called
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The disadvantages of "Compile and Go" loading scheme is (are):
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The operating system of a computer serves as a software interface between the user and
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A.
is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
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B.
consists of those addresses that may be generated by a processor during execution of a computation.
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C.
is a method of allocating processor time.
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D.
allows multiple programs to reside in separate areas of core at the time.
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E.
None of the above
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A.
a portion of memory is wasted because the core occupied by the assembler is unavailable to the object program.
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B.
it is necessary to retranslate the user's program deck every time it is run.
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C.
it is very difficult to handle multiple segments, especially if the source programs are in different languages, and to produce orderly modular programs.
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D.
all of the above
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E.
None of the above
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