Operating Systems MCQ Set 6
1.
The unit of dispatching is usually referred to as a …………..
A)
Thread
B)
Lightweight process
C)
Process
D)
Both A and B
2.
……………….. is a example of an operating system that support single user process
and single thread.
A)
UNIX
B)
MS-DOS
C)
OS/2
D)
Windows 2000
3.
State true or false.
i)
Unix, support multiple user process but only support one thread per process.
ii)
A java run time environment is an example of a system of one process with
multiple threads.
A)
True, False
B)
True, True
C)
False, True
D)
False, False
4.
…………… are very effective because a mode switch is not required to switch from
one thread to another.
A)
Kernel-level threads
B)
User-level threads
C)
Alterable threads
D)
Application level threads
5.
…………… is a condition in which there is a set of concurrent processes, only one
of which is able to access a given resource or perform a given function at any
time.
A)
Mutual Exclusion
B)
Busy Waiting
C)
Deadlock
D)
Starvation
1.
…………. Involves treating main memory as a resource to be allocated to and shared
among a number of active processes.
A)
Partition management
B)
Memory management
C)
Disk management
D)
All of the above
2.
A process that execute only in main memory is referred to as ……………… and that
allocated in disk is referred to a …………….
A)
virtual memory, true memory
B)
virtual memory, real memory
C)
real memory, virtual memory
D)
imaginary memory, real memory
3.
In process scheduling, …………………… determines when new processes are admitted to
the system.
A)
long term scheduling
B)
medium term scheduling
C)
short term scheduling
D)
none of the above
4.
In process scheduling, ………………… determines which ready process will be executed
next by processor.
A)
long term scheduling
B)
medium term scheduling
C)
short term scheduling
D)
none of the above
5.
The sum of the seek time, and the rotational delay is called the ………………..
A)
reached time
B)
access time
C)
arrived time
D)
common time
Answers
1.d
2.b
3.a
4.b
5.a
6.b
7.c
8.a
9.c
10.b
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