HSST Computer Science Model Questions and Answers – Part 4
Question Paper Code: 98/2011
Exam: HSST Computer Science
Category No: 111/2010
Date of Test: 01-09-2011
Alpha code: B
HSST Computer Science Model Questions and Answers – Part 1
HSST Computer Science Model Questions and Answers – Part 2
PSC HSST Computer Science Model Questions and Answers – Part 3
PSC HSST Computer Science Model Questions and Answers – Part 5
PSC HSST Computer Science Model Questions and Answers – Part 6
1
Which of the following preposition is a tautology?
Answer
B. p->(q-> p)
2
p->q->r is equivalent to:
Answer
A. p->q->r
3
Why do we go for Normalization of Data Bases?
Answer
C. Avoid redundancy
4
Name the component carrying the ALU and Control Unit in Digital Computer:
Answer
A. Microprocessors
5
Give the name of the Linear list in which elements can be added at ends but not in the middle:
Answer
X
Explanation:
Circular queue is a linear data structure. In circular queue the last node is connected back to the first node to make a circle. Circular linked list follow the First In First Out principle. Elements are added at the rear end and the elements are deleted at front end of the queue.
Queue is an abstract data structure. Queue is opened at both ends. One end is always used to insert data and the other is used to remove data. Queue follows First-In-First-Out methodology, i.e., the data item stored first will be accessed first.
A double-ended queue is an abstract data type similar to a simple queue, it allows you to insert and delete from both sides.
6
The switching devices used in First Generation computer’s were:
Answer
D. Vacuum Tubes
7
The Automation accepting the regular expression of any number of a’s is:
Answer
A. a*
8
Flip-flop is the basic structure of the device:
Answer
B. Memory
9
In C language data type of “3” is:
Answer
String
10
If every node “a” in a graph G is adjacent to every node “b” in G, then the graph is:
Answer
D. Complete graph
11
In C language an user defined header is identified by the inclusion:
Answer
A. #include "test.h"
12
Number of locations that could be addressed by a microprocessor with 12 address lines is:
Answer
C. 4096
13
Number of bit width of any memory chip is:
Answer
D. 8
14
The command that lists the last few lines from a file named “file”:
Answer
A. tail file
15
The percentage of time that a computer system is not available for use is:
Answer
A. down time
16
By the thread of the same process, sharing is not allowed in:
Answer
C. stack
17
How to declare an interface class in C++?
Answer
D. none of the above three
18
Which device translates between data formats?
Answer
D. Gateways
19
if a relation is in BCNF then it is in:
Answer
B. 3 NF
20
Minimum Hamming distance method is used for correction of:
Answer
A. syntactic errors
21
Full Binary tree with n leaves contain:
Answer
B. 2n-1 nodes
22
Which is not possible in a thread?
Answer
B. Wait
Explanation:
Thread exists in several states. A thread can be running .It can be ready to run as soon as it gets CPU time. A running state can be suspended.
23
The margin of a word document can be displayed on the horizontal or vertical ruler with the mouse and the:
Answer
B. ALT key
24
The 2’s complement of the binary value 10 is:
Answer
A. 10
25
The property that the OOPs will permit the same operation to be carried out differently, based on the object is:
Answer
B. polymorphism
Dinu
Virtual Memory logically in Main Memory & physically in Hard Disk….