G.R.M. Junior college practice test 2026

Computer science practice test 2026

1 / 29

Memory management service of operating system manages allocations of
_______

2 / 29

Concentric circles on disk surface are known as _______

3 / 29

_______ cannot work independently.

4 / 29

Windows 98 is a __________ operating system.

5 / 29

Operating system maintains all the information about each process in a
data structure called ________

6 / 29

In Magnetic tapes __________ access method is used.

7 / 29

In multiprogramming operating system, the number of processes running
simultaneously is known as _______.

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________ is not an operating system.

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In Non-preemptive philosophy of process scheduling
throughput __________

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When a process is waiting for an external event like I/O, it is in
___________ state.

11 / 29

____ is a logical unit of data that operating system defines for its
convenience.

12 / 29

________ control in GUI allows to select only one option from the given
options.

13 / 29

Time taken to adjust the appropriate sector under read /write head in disk
is called as ____________.

14 / 29

Program under execution is known as __________

15 / 29

________ is generally used in GUI to look at the information which is not
currently visible on screen.

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Device drivers are ____________

17 / 29

When a page which is not in main memory is reference then _________
occurs.

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_______ is a free operating system

19 / 29

If page size of 4MB memory is 2 kb then the number of higher order bits
on address bus, used to denote page numbers is _________

20 / 29

‘Open files’ is a system call provided under _________ of operating system.

21 / 29

_______ is allotted to every process so that a process does not use the
CPU indefinitely.

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_______is a service of memory management of operating system.

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_______ process scheduling is most suitable for real time systems.

24 / 29

Wastage of memory space within the partition is called as __________

25 / 29

Operating system is a __________

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_________ spread more rapidly in computer networks but do not cause
direct harm to computer system.

27 / 29

Device drivers are ____________

28 / 29

_________ is also known as light weight process.

29 / 29

In ___________ method of memory management system logical divisions
of a program are of variable sizes.

Your score is

The average score is 33%

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