Kerala PSC Previous Years Question Paper & Answer

Title : HSST COMPUTER SCIENCE - SR FOR SC/ST
Question Code : A

Page:6


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'HSST COMPUTER SCIENCE - SR FOR SC/ST' And exam conducted in the year 2016. And Question paper code was '086/2016/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.

page: 6 out of 11
Excerpt of Question Code: 086/2016/OL

C:-Polyalphabetic substation cipher
D:-None of the above
Correct Answer:- Option-C
Question48:-The following service is not provided by digital signature
A:-Integrity
B:-Authentication
C:-Nonrepudiation
D:-Confidentiality
Correct Answer:- Option-D
Question49:- is a technique of temporarily removing inactive programs from the memory of computer system.
A:-Swapping
B:-Spooling
:-Semaphore
D:-Scheduling
Correct Answer:- Option-A
Question50:-Fence register is used for
A:-CPU protection
B:-Memory protection
-File protection
D:-Processor protection
Correct Answer:- Option-B
Question51:-The clause is used to list the attributes desired in the result of a query.
A:-where
-from
C:-select
D:-having
Correct Answer:- Option-C
Question52:-We express queries in QBE by
A:-Datalog

Skeleton tables
C:-Entity sets
D:-SQL
Correct Answer:- Option-B
Question53:- is a set of permitted values for each attribute.
A:-Domain

-Entity
C:-Constraints
D:-Relationship
Correct Answer:- Option-A
Question54:-Minimal super keys are called
A:-Primary key
B:-Foreign key
C:-Candidate key
D:-Unique
Correct Answer:- Option-C
Question55:-A relation is in , every non-key attribute is irreducibly dependent on the primary key.
A:-1NF
B:-2NF
C:-3NF
D:-4NF
Correct Answer:- Option-B
Question56:-A statement that the system executes automatically when a database related event occurs.
A:-View
-Alter
C:-Assertion
D:-Trigger
Correct Answer:- Option-D
Question57:-An index record appears for every Search key value in the file
A:-Dense index

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HSST COMPUTER SCIENCE - SR FOR SC/ST : Video