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Free computer quiz Online Test - MeritNotes
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Online Exam
No. of Questions :10
Remaining Time :
1. Copy and Xcopy are same in the sense
(a)
Both are internal command of DOS
(b)
Both are external commands of DOS
(c)
Both can be used to copy file or group of files
(d)
Both a and b
2. _____ command defines a list of directories DOS searches for external commands.
(a)
MNKD
(b)
DSKCHK
(c)
TREE
(d)
PATH
3. Which of the following is not an advantage of multiprogramming?
(a)
Ability to assign priorities to jobs
(b)
Decreased operating system overhead
(c)
Shorter response time
(d)
Increased throughout
4. The operating system which was originally designed by scientists and engineers for use by scientists and engineers is called
(a)
MS/DOS
(b)
OS/2
(c)
UNIX
(d)
XENIX
5. Multithreading on a multi CPU machine
(a)
can increase or decrease the concurrency
(b)
doesn’t affected the concurrency
(c)
decreases concurrency
(d)
increases concurrency
6. Which of the following(s) is/are the characteristic(s) of UNIX?
(a)
Multi user
(b)
Multi tasking
(c)
Kernel Manages data
(d)
All of these
7. We use this command to create a new file.
(a)
DCOPY COM.N
(b)
COPY CON
(c)
DCOPY COM
(d)
DCOPY COMN
8. Which of the following is/are file extension(s) in DOS?
(a)
EXE
(b)
COM
(c)
BAT
(d)
All of these
9. Distributed processing involves
(a)
Allowing users to share files on a network
(b)
Allowing users to access network resources away from the office
(c)
Solving computing problems by breaking them into smaller parts that are separately processed by different computers
(d)
Solving computer component problems from a different computer
10. The operating system as a devices management keeps track of devices, channels and control units is called as
(a)
I/O receiver
(b)
I/O traffic controller
(c)
I/O manager
(d)
I/O dispatch
