Operating Systems Concepts - Section 7 Multiple Questions and Answers.
Exercise Questions ::
Operating Systems
6. Which of the following is not true about the memory management? A. virtual memory is used only in multi-user systems B. segmentation suffers from external fragmentation C. paging suffers from internal fragmentation D. segmented memory can be paged
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7. Job Control Language (JCL) statements are used to A. Read the input from the slow-speed card reader to the high-speed magnetic disk B. Specify, to the operating system, the beginning and end of a job in a batch C. Allocate the CPU to a job D. All of the above
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8. Paging 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. B. consists of those addresses that may be generated by a processor during execution of a computation. C. is a method of allocating processor time. D. allows multiple programs to reside in separate areas of core at the time.
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9. Which of the following is not true about documentation? A. Documentation, of a system, should be as clear and direct as possible B. Documentation increases the maintenance time and cost C. Documentation gives better understanding of the problem D. All of the above
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10. The system/370 assembler language A. allows the programmer to write base registers and displacements explicitly in the source program. B. is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain. C. allows multiple programs to reside in separate areas of core at the same time. D. is a term that refers to the control programs of an operating system.
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