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Computer Science - Operating Systems Concepts

Exercise : Operating Systems Concepts - Section 2
1.
The initial value of the semaphore that allows only one of the many processes to enter their critical sections, is
8
1
16
0
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
The Register - to - Register (RR) instructions
have both their operands in the main store.
which perform an operation on a register operand and an operand which is located in the main store, generally leaving the result in the register, except in the case of store operation when it is also written into the specified storage location.
which perform indicated operations on two fast registers of the machine and leave the result in one of the registers.
all of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
A page fault
is an error is a specific page
occurs when a program accesses a page of memory
is an access to a page not currently in memory
is a reference to a page belonging to another program
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
An algorithm is best described as
A computer language
A step by step procedure for solving a problem
A branch of mathematics
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
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
multiprogramming
spooling
caching
virtual programming
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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