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Computer Science - Operating Systems Concepts

Exercise : Operating Systems Concepts - Section 4
6.
The term 'polling' in a computer means a process by which a computer system
detects/corrects errors
multiplexes the inputs and updates the memory accordingly
decides correct alternative by analysing several ones
inquires to see if a terminal has any transaction to send
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
In which addressing mode, the address of the location of the operand is given explicitly as a part of the instruction.
absolute mode
immediate mode
index mode
modulus mode
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Under virtual storage,
a single program is processed by two or more CPUs
two or more programs are stored concurrently in primary storage
only the active pages of a program are stored in primary storage
interprogram interference may occur
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
A base register table
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.
10.
File record length
should always be fixed
Should always be variable
depends upon the size of the file
should be chosen to match the data characteristics
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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