NTA UGC-NET Information Technology
1.
Data encryption
a. is
mostly used by public networks
b. is
mostly used by financial networks
c. cannot
be used by private installations
d. is
not necessary, since data cannot be intercepted
e. None
of the above
Answer: b
2.
A communication network which is used by
large organization over regional, national or global area is called
a. LAN
b. WAN
c. MAN
d. VAN
Answer: b
3.
If you want to execute more than one
program at a time, the systems software you are using must be capable of:
a. word
processing
b. virtual
memory
c. compiling
d. multitasking
e. None
of the above
Answer: d
4. UNIX operating system
a. is
multiuser
b. is
multitasking
c. can
run on PCs and larger systems
d. All
of the above
Answer: d
5.
Can you name the major Operating
System used in computers?
a. MS
DOS
b. OS/2
c. UNIX
d. All
the above
e. None
of the above
Answer: d
6.
Which of the following 109 is always resident?
In machinery?
a. Batch
System
b. Time
Sharing System
c. Operating
system
d. Controlling
system
e. None
of the above
Answer:
c
7. Paging
a. is
a method of memory allocation by which the program 18 subdivided into equal
portions or page and core IS subdivided into equal portions or blocks
b. consists
of those addresses that may be generated by a processor during execution If a
computation
c. is
a-method of allocating processor time
d. al
lows multiple programs to reside in separate areas of core at the time
e. One of the above
Answer: a
8. Which of the following is
necessary to work on a computer
a. compiler
b. operating
system
c. assembly
d. interpreter
of the above
e. None
of the above
Answer: b
9.
Advantage (s) of using assembly language
rather than machine language is (are):
a. It
is mnemonic and p, say to read
b. Addresses
any symbolic, not absolute
c. Introduction
of data to program is easier
d. All
of the above
e. None
of the above
Answer: d
10.
With round-robin CPU scheduling in a
time-shared system:
a. Using
very large time slices (quantas) degenerates into FCFS (First-Come
First-Served) algorithm
b. Using
very small time slices (quantas) degenerates into LIFO (Last-Tn First-Out) algorithm
c. Using
extremely small-time slice improves performance
d. Using
medium-sized time slices lead to SRTF (Shortest Remaining Time First) scheduling
policy
e. None
of the above
Answer: a
