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Computer Science - Operating Systems Concepts

Exercise : Operating Systems Concepts - Section 3
6.
Which of the following is not true about the memory management?
virtual memory is used only in multi-user systems
segmentation suffers from external fragmentation
paging suffers from internal fragmentation
segmented memory can be paged
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Job Control Language (JCL) statements are used to
Read the input from the slow-speed card reader to the high-speed magnetic disk
Specify, to the operating system, the beginning and end of a job in a batch
Allocate the CPU to a job
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Paging
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.
consists of those addresses that may be generated by a processor during execution of a computation.
is a method of allocating processor time.
allows multiple programs to reside in separate areas of core at the time.
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Which of the following is not true about documentation?
Documentation, of a system, should be as clear and direct as possible
Documentation increases the maintenance time and cost
Documentation gives better understanding of the problem
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The system/370 assembler language
allows the programmer to write base registers and displacements explicitly in the source program.
is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain.
allows multiple programs to reside in separate areas of core at the same time.
is a term that refers to the control programs of an operating system.
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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