UGC NET Computer Science Question Answers Practice Test

UGC NET Computer Science and Applications (CSA) MCQ Questions Answers for competitive exams: This mock test having 25 question each, with four choices. On each click on answers system will tell you where the answers is correct or incorrect. You can view this UGC NET Computer Science and Applications test question details at the end of the quiz.

This National Eligibility Test (NET) Computer Science and Applications questions answers are applicable for any kind of entrance exam or job related exam especially for Lecturer and PHD examination. You can practice as much as you can to gather knowledge of how to answers UGC NET critical type papers in short time and this can be a big factor for cracking PHD level exam.

UGC Computer Science and Applications

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Question 1
Networks that use different technologies can be connected by using
A
Packets
B
Switches
C
Bridges
D
Routers
Question 2
The postfix expression AB + CD – * can be evaluated using a
A
stack
B
tree
C
queue
D
linked list
Question 3
Both hosts and routers are TCP/IP protocol software. However, routers do not use protocol from all layers. The layer for which protocol software is not needed by a router is
A
Layer – 5 (Application)
B
Layer – 1 (Physical)
C
Layer – 3 (Internet)
D
Layer – 2 (Network Interface)
Question 4
The post order traversal of a binary tree is DEBFCA. Find out the preorder traversal.
A
ABFCDE
B
ADBFEC
C
ABDECF
D
None of the above
Question 5
In multiuser database if two users wish to update the same record at the same time, they are prevented from doing so by
A
Jamming
B
Password
C
Documentation
D
Record lock
Question 6
The branch logic that provides making capabilities in the control unit is known as
A
Controlled transfer
B
Conditional transfer
C
Unconditional transfer
D
None of the above
Question 7
A binary search tree is a binary tree :
A
All items in the left subtree are less than root
B
All items in the right subtree are greater than or equal to the root
C
Each subtree is itself a binary search tree
D
All of the above
Question 8
The number of colours required to properly colour the vertices of every planer graph is
A
2
B
3
C
4
D
5
Question 9
Leaves of which of the following trees are at the same level ?
A
Binary tree
B
B-tree
C
AVL-tree
D
Expression tree
Question 10
What deletes the entire file except the file structure ?
A
ERASE
B
DELETE
C
ZAP
D
PACK
Question 11
Which of the following TCP/IP Internet protocol is diskless machine uses to obtain its IP address from a server ?
A
RAP
B
RIP
C
ARP
D
X.25
Question 12
Which command is the fastest among the following ?
A
COPY TO
B
COPY STRUCTURE TO
C
COPY FILE
D
COPY TO MFILE-DAT DELIMITED
Question 13
Decryption and encryption of data are the responsibility of which of the following layer ?
A
Physical layer
B
Data Link layer
C
Presentation layer
D
Session layer
Question 14
B+ tree are preferred to binary tree in Database because
A
Disk capacity are greater than memory capacities
B
Disk access is much slower than memory access
C
Disk data transfer rates are much less than memory data transfer rate
D
Disks are more reliable than memory
Question 15
In which circuit switching, delivery of data is delayed because data must be stored and retrieved from RAM ?
A
Space division
B
Time division
C
Virtual
D
Packet
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There are 15 questions to complete.



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