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The following question based on operating system topic of computer mcq
(a) The semaphore value becomes negative
(b) The semaphore value become positive
(c) The semaphore value becomes nonpositive
(d) The semaphore value becomes nonnegative.
The correct answers to the above question in:
Answer: (a)
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Read more operating system Based Computer Questions and Answers
Question : 1
The process of transferring data intended for a peripheral device into a disk (or intermediate store) so that it can be transferred to peripheral at a more convenient time or in bulk, is known as
a) caching
b) multiprogramming
c) spooling
d) virtual programming
e) None of the above
Answer »Answer: (c)
Question : 2
A program in execution is called
a) instruction
b) process
c) procedure
d) function
Answer »Answer: (b)
Question : 3
The primary purpose of the Windows operating system is
a) to allow people to use the computer
b) to make the most efficient use of the computer hardware
c) to keep systems programmer's employed
d) to make computers easier to use
Answer »Answer: (d)
Question : 4
Following is true for Multiprocessing
a) It makes the operating system simpler
b) It allows multiple processes to run simultaneously
c) It allows the same computer to have multiple processors
d) None of these
Answer »Answer: (c)
Question : 5
Cache memory is
a) Bigger and slower than main memory
b) Bigger and faster that main memory
c) Smaller and slower than main memory
d) Smaller and faster than main memory
Answer »Answer: (d)
Question : 6
The concept used to support multi programming environment on a computer is
a) Virtual memory
b) Hierarchy of physical memory
c) Display of multiple windows
d) None the above.
Answer »Answer: (c)
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