Kerala PSC Previous Years Question Paper & Answer

Question Code : A


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'HSST - COMPUTER SCIENCE' And exam conducted in the year 2013. And Question paper code was '144/2013'. 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: 3 out of 8
Excerpt of Question Code: 144/2013

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CrA class that initializes the applet
D:-Interacting with the user
Correct Answer:- Option-B
(Question29:-In Relational Algebra the query that finds customers who have a balance of aver 800 is
Az[Icustomer_name(o balance >800(Deposit))
‘customer name([[balance>800(Deposit))
Correct Answer:- Option-A
‘Question30:-Secret-key encryption is also known as
B:-Asymmetric encryption
वि encryption
D:-Private encryption
Correct Answer:- Option-C
Question3 1=DNS is a
‘AvDistributed hierarchical naming system
B:Vertical naming system
C:Horizontal naming system
D:-Client Server system
Correct Answer:- Option-A
Question32E-commerce is not suitable for
‘A-Online job searching
‘Sale/Purchase of expensive jewellery and antiques,
CSale/Purchase of branded clothes
D:-Sale/Purchase of mobile phones
Correct Answer:- Option-A
‘Question33:Several factors exist that affect the efficiency of lookup operations in a hash table. Which among the following is NOT one of those factors ?
‘AxSize of elements stored in the hash table.
B:-Number of elements stored in the hash table.
C:Quality of the hash function.
D:-Number of buckets in the hash table.
Correct Answer:- Option-A
(Question34A DBMS query language is designed to
Avspecify the structure of a database
B:-support end users with English-like commands
Cesupport the development of complex applications software
Dell of the above
Correct Answer:- Option-D
Let r be a resource. There are 3 user processes each requiring 2 units of R. Then the minimum number of units of R such that no deadlocks will occur is

Correct Answer:- Option-A

Question36:Assume a cache memory with associative mapping. If the main memory is of 8K bytes and the cache memory is of 2K words, then each word of cache memory is,
‘Av21 bits
Be-11 bits

D:-20 bits
Correct Answer:- Option-C
Question37:-Which of the following is true ?
AvStream cipher technique is an encryption technique
Block cipher technique is an encryption technique
एषण (A) and (B)
D:-Neither of (A) and (B)
Correct Answer:- Option-C
‘Question38:Given a linked list with n elements. Then the time taken to insert an element after an element pointed to by some pointer is,
AzO( logy 0)
Correct Answer:- Option-B
‘Question39:Let h be a hashing function and is used to hash n keys into a table of size m (given n<=m). Then the expected number of collisions involving a particular key x is
Acless than 1
Jess than m
Celess than n
De-less than n/2
Correct Answer:- Option-A
Question40-IFL is a lattice, then for every a and b in L which among the following is correct?
Arav (bAc)
Beav(bvc) =
Correct Answer:- Option-B
(Question4 1=In the spiral model ‘risk analysis' is performed
ಗಿ: every loop
‏جا‎ the first and second loop
C-before using spiral model
D:-in the first loop
Correct Answer:-Question Cancelled
Question42"The technique of improving the priority of process waiting in queue for CPU allocation is called
Correct Answer:- Option-B
(Question4 3-PSW is saved in stack when there is a
ബസ്സോ recognized

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