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The following question based on operating system topic of computer mcq
(a) Virtual memory
(b) Real memory
(c) A and B both
(d) None of these.
The correct answers to the above question in:
Answer: (b)
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Read more operating system Based Computer Questions and Answers
Question : 1
Following is not true for disk cache
a) It is a buffer in main memory for disk sector
b) It contains the copy of some of the sector on the disk
c) It is bigger is size than main memory
d) It is smaller is size than main memory
Answer »Answer: (c)
Question : 2
Windows is an
a) operating system
b) operating environment
c) user interface
d) programming platform
Answer »Answer: (c)
Question : 3
In two level scheme for page table, if one assume byte-level addressing and 4-kbyte (2 12 pages) then the 4-Gbyte (2 32) virtual address space is composed of
a) 2 10 pages
b) 2 20 pages
c) 2 30 pages
d) 2 40 pages
Answer »Answer: (b)
Question : 4
The intensive jobs
a) use less processor time than most jobs
b) you are constrained by their I/O requirements
c) run more quickly than processor intensive jobs
d) should all be executed at the same time
Answer »Answer: (b)
Question : 5
Priorities
a) are used to schedule processes
b) increase as a process remains in the processor
c) are attached to each page in the system
d) are assigned by the user.
Answer »Answer: (a)
Question : 6
Situations where two or more processes are reading or writing some shared data and the final result depends on who runs precisely which are called
a) race condition
b) critical sections
c) mutual exclusions
d) message passing
Answer »Answer: (a)
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operating system set 1
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