HSST Previous Questions : Solved : Exam Held on 2016

Question Paper Code: 86/2016/OL
Category Code: 099/2015
Exam: HSST Computer Science SR For SC/ST
Date of Test: 29-12-2016

1.The buffer overflow attack is caused by
(A) Vulnerability in the design of a networking protocol
(B) Vulnerability in the implementation of a networking protocol
(C) Vulnerability in human behaviour
(D) Vulnerability in software
Answer: D

2.Which of the following is not valid IPv4 addresses?
(A) 192.10.14.3
(B) 201.172.275.33
(C) 65.90.11.00
(D) 193.20.250.10
Answer: B
3.
Address resource records are associated with
(A) Routing tables in Internet routers
(B) ARP aches in LAN workstations
(C) DNS servers
(D) None of the above
Answer: C
4.
Which of the following protocols is used in accessing web mail?
(A) HTTP
(B) SMTP
(C) POP3
(D) IMAP
Answer:-Question Cancelled
5.
If gcd(a, b) = x and gcd(b, c) = y, then gcd(a, c) is
(A) xy
(B) gcd(x, y)
(C) xy/gcd(x, y)
(D) None of these
Answer: D
6.
Assuming the same key is used, two occurrences of the same plaintext characters are
encrypted as identical output symbols in which of the following
(A) Caesar cipher
(B) Vigenere cipher
(C) Hill cipher
(D) One time pad
Answer: A
7.
A product cipher is constructed using a combination ofqu
(A) Symmetric and asymmetric ciphers
(B) Substitution and transposition ciphers
(C) Monoalphabetic and polyalphabetic ciphers
(D) Stream and block ciphers
Answer: B
8.
Which of the following characteristics is most widely used in fingerprint recognition?
(A) Number and coordinates of arch patterns
(B) Number and coordinates of loop patterns
(C) Coordinates and orientations of fingerprint minutiae
(D) Number and coordinates of whorl patterns
Answer: C
9.
During the initial stages of an attack by a new internet scanning worm, the number of
infected machines increases
(A) Exponentially with time
(B) Logarithmically with time
(C) Polynomially with time
(D) At a constant rate
Answer: A
10. Use privileges in windows are stored in
(A) DACL
(B) ACE
(C) Access token
(D) SID
Answer: C
11. Probabilistic packet marking is technique used in support of
(A) DDoS prevention
(B) IP traceback
(C) DDoS detection
(D) Worm detection
Answer: B
12. The role of the payment gateway is
(A) A proxy to the merchant
(B) A financial service provider
(C) A government regulator
(D) A proxy to the bankcard network
Answer: D
13. What type of parameters are used in transcendental functions in Java?
(A) double
(B) long
(C) byte
(D) int
Answer: A
14. In what format is Java's character set represented?
(A) 16 bits ASCIIqu
(B) 16 bits unicode
(C) 16 bits EBC
(D) None of the above
Answer: B
15. Basic futures of structured programming
(A) Sequence
(B) Looping
(C) Branching
(D) All of the above
Answer: D
16. In which year Java was developed?
(A) 1989
(B) 1990
(C) 1991
(D) 1992
Answer: C
17. What feature of C++ was dropped in Java?
(A) Virtual function
(B) Abstract class
(C) Inheritance
(D) Pointers
Answer: D
18. What type of storage class is involved when we pass by value in function?
(A) External
(B) Automatic
(C) Static
(D) Register
Answer: B
19. What is Java equivalent of const in C++?
(A) const
(B) #define
(C) final
(D) All of the above
Answer: C
20. What is another name for semantic errors?
(A) Runtime errors
(B) Compile time errors
(C) Syntax errors
(D) None of the above
Answer: A
21.
What are units of width and height specified in HTML tag?
(A) Pixels
(B) Bytes
(C) Bitsqu
(D) All of the above
Answer: A
22.
What will be the values of x, m and n after execution of the following statements?
int x, m, n;
m = 10;
n = 15;
x = ++m + n++;
(A) x = 25, m = 10, n = 15
(B) x = 27, m = 10, n = 15
(C) x = 26, m = 11, n = 16
(D) x = 27, m = 11, n = 16
Answer: C
23.
What will be the result of the expression 13 and 25?
(A) 38
(B) 9
(C) 25
(D) 12
Answer: B
24.
Which of the following will produce a value of 22 if x = 22.9?
(A) ceil(x)
(B) log(x)
(C) abs(x)
(D) floor(x)
Answer: D
25.
Which is the legal ways to access a class data member using this pointer?
(A) this.x
(B) *this.x
(C) *(this.x)
(D) (*this).x
Answer: D
26.
Which one of the following is an associative container?
(A) list
(B) queue
(C) map
(D) string
Answer: C
27.
Which one of the following is a sequence container?
(A) stack
(B) deque
(C) queue
(D) set
Answer: B
28.
What does the acronym BCPL stands for?
(A) Basic Combined Programming Language
(B) Basic Compiler Programming Languagequ
(C) Beginners Combined Programming Language
(D) None of the above
Answer: A
29.
What was Ken Thompson's version of C called?
(A) C++
(B) B
(C) P
(D) None of the above
Answer: B
30. What does the fopen() function return?
(A) address
(B) pointer
(C) file pointer
(D) all of the above
Answer: C
31. Recursive algorithms are based on
(A) Divide and conquer approach
(B) Top-down approach
(C) Bottom-up approach
(D) Hierarchical approach
Answer: C
32. The Sorting method which is used for external sort is
(A) Bubble sort
(B) Quick sort
(C) Merge sort
(D) Radix sort
Answer: C
33. Worst case efficiency of binary search is
(A) log2 n+1
(B) n
(C) 2n
(D) log n
Answer: D
34. What is the type of the algorithm used in solving the 8 Queens problem?
(A) Dynamic
(B) Backtracking
(C) Branch and Bound
(D) None of the above
Answer: B
35. The time taken by NP-class sorting algorithm is
(A) O(1)
(B) O(log n)
(C) O(n2)
(D) O(n)qu
Answer: D
36. How many nodes are there in a full state space tree with n = 6?
(A) 65
(B) 64
(C) 63
(D) 32
Answer: C
37. Prims algorithm is based on ............. method.
(A) Divide and conquer method
(B) Greedy method
(C) Dynamic programming
(D) Branch and bound
Answer: B
38. Graph Colouring is which type of algorithm design strategy
(A) Backtracking
(B) Greedy
(C) Branch and Bound
(D) Dynamic programming
Answer: A
39. The asymptotic notation for defining the average time complexity is
(A) Equivalence
(B) Symmetric
(C) Reflexive
(D) All of the above
Answer: A
40. The complexity of merge sort algorithm is
(A) O(n)
(B) O(n2)
(C) O(log n)
(D) O(n log n)
Answer: D
41.
Dijkstra's banking algorithm in an operating system, solves the problem of
(A) Deadlock recovery
(B) Mutual exclusion
(C) Deadlock avoidance
(D) None of these
Answer: C
42.
Interval between the time of submission and completion of the job is called
(A) Waiting time
(B) Response time
(C) Throughput
(D) Turnaround time
Answer: D
43.
The example of non-preemptive scheduling isqu
(A) First-Come-First-Served
(B) Round Robin
(C) Last-In-First-Out
(D) Shortest-Job-First
Answer: A
44.
................. is a process-to-process protocol that adds only port addresses, checksum, error
control and length information to the data from the upper layer.
(A) TCP
(B) UDP
(C) IP
(D) None of the above
Answer: B
45.
The RSA algorithm uses a ................ cryptography method.
(A) Public Key
(B) Private Key
(C) Symmetric Key
(D) All the above
Answer: A
46.
The .............. attack is related to confidentiality.
(A) Fabrication
(B) Interception
(C) Modification
(D) Interruption
Answer: B
47.
The cryptography method in which the plaintext BBBB becomes the cipher text BCDE. This
is probably
(A) Transposition cipher
(B) Monoalphabetic substitution cipher
(C) Polyalphabetic substation cipher
(D) None of the above
Answer: C
48.
The following service is not provided by digital signature
(A) Integrity
(B) Authentication
(C) Nonrepudiation
(D) Confidentiality
Answer: D
49.
............... is a technique of temporarily removing inactive programs from the memory of
computer system.
(A) Swapping
(B) Spooling
(C) Semaphore
(D) Scheduling
Answer: A
50. Fence register is used forqu
(A) CPU protection
(B) Memory protection
(C) File protection
(D) Processor protection
Answer: B
51. The ................. clause is used to list the attributes desired in the result of a query.
(A) where
(B) from
(C) select
(D) having
Answer: C
52. We express queries in QBE by
(A) Datalog
(B) Skeleton tables
(C) Entity sets
(D) SQL
Answer: B
53. .............. is a set of permitted values for each attribute.
(A) Domain
(B) Entity
(C) Constraints
(D) Relationship
Answer: A
54. Minimal super keys are called
(A) Primary key
(B) Foreign key
(C) Candidate key
(D) Unique
Answer: C
55. A relation is in ................, every non-key attribute is irreducibly dependent on the primary
key.
(A) 1NF
(B) 2NF
(C) 3NF
(D) 4NF
Answer: B
56. A statement that the system executes automatically when a database related event occurs.
(A) View
(B) Alter
(C) Assertion
(D) Trigger
Answer: D
57. An index record appears for every Search key value in the file
(A) Dense indexqu
(B) Sparse index
(C) Hash index
(D) Single-key index
Answer: A
58. In hashing, we use the term to denote a unit of storage that can store one or more records.
(A) Field
(B) Hash function
(C) Index
(D) Bucket
Answer: D
59. The number of transactions executed in a given amount of time is called
(A) Response time
(B) Waiting time
(C) Throughput
(D) Performance
Answer: C
60. ................ is a predicate expressing a condition that we wish the database always to satisfy.
(A) Authorization
(B) Deadlock
(C) QBE
(D) Assertion
Answer: D
61.
A variation in the representation of the waterfall model is called
(A) Classic life cycle
(B) V-model
(C) Incremental process model
(D) Spiral model
Answer: B
62.
The most common manifestation of separation of software into separately named and
addressable components is called
(A) Concern
(B) Pattern
(C) Modularity
(D) Independence
Answer: C
63.
............... is an indication of the relative interdependence among modules.
(A) Coupling
(B) Cohesion
(C) Hiding
(D) Refactoring
Answer: A
64.
The diagram which help you to determine the functionality and features of the software
from the user's perspective.
(A) Class diagramqu
(B) Deployment diagram
(C) Sequence diagram
(D) Use-case diagram
Answer: D
65.
............... testing is focuses on the functional requirements of the software.
(A) White-box testing
(B) Black-box testing
(C) Condition testing
(D) Unit testing
Answer: B
66.
The software metric that provides a quantitative measure of the logical complexity of a
program.
(A) Cylcomatic complexity
(B) Defect removal efficiency
(C) Object-oriented metrics
(D) LOC
Answer: A
67.
............... is the most widely used strategy for statistical quality assurance in industry.
(A) Pareto principle
(B) CMM
(C) Six Sigma
(D) IEEE
Answer: C
68.
.............. is an agile software development approach.
(A) Extreme programming
(B) Quality function deployment
(C) PSPEC
(D) Unified process
Answer: A
69.
................ provide a notation that translates actions and conditions described in a use case
into a tabular form.
(A) Decision tree
(B) Pattern
(C) Linear structures
(D) Decision tables
Answer: D
70. .............. is a project scheduling method.
(A) PERT
(B) Scrum model
(C) UML
(D) RAD
Answer: A
71. The bus carries bits between
(A) Microprocessor and Memoryqu
(B) Microprocessor and I/Os
(C) Memory and I/Os
(D) Microprocessor, Memory and I/Os
Answer: D
72. The Gray code for the binary number 1011102 is
(A) 111101
(B) 111001
(C) 111011
(D) 111010
Answer: B
73. Simplify the expression AB + A(B + C) + B(B + C) using Boolean algebra techniques is
(A) C + AC
(B) A + AC
(C) B + AC
(D) B + AB
Answer: C
74.
How many 74154 4-line-to-16-line decoders are necessary to decode a six-bit binary
number?
(A) One
(B) Two
(C) Three
(D) Four
Answer: B
75. The binary equivalent for the BCD number 10000101 is
(A) (1010100)2
(B) (1000100)2
(C) (1110100)2
(D) (1010101)2
Answer: D
76. How many states are there in an eight-bit Johnson counter sequence?
(A) 4
(B) 8
(C) 16
(D) 32
Answer: C
77. How many clock pulses are required to serially enter a byte of data into an eight-bit shift
register?
(A) 8
(B) 16
(C) 32
(D) 64
Answer: A
78. How many address bits are required for a 2048-bit memory?
(A) 10 bits
(B) 11 bitsqu
(C) 12 bits
(D) 13 bits
Answer: B
79. How many tracks are there on a typical 5 1⁄2 inch floppy disk?
(A) 64
(B) 67
(C) 77
(D) 87
Answer: C
80. Visual cryptography is mainly used for
(A) Text encryption
(B) Video encryption
(C) Audio encryption
(D) Image encryption
Answer: D
81.
Whose words are these "No Caste, No Religion, No God for Human being"?
(A) Shree Narayana Guru
(B) K. Ayyappan
(C) Swami Vivekananda
(D) Pandit Karuppan
Answer: B
82.
Which Article of Constitution provide uniform civil code for the citizens?
(A) Article 47
(B) Article 39
(C) Article 44
(D) Article 48
Answer: C
83.
Which agitation in Kerala is known as the "Maru Marakkal Samaram"?
(A) Channar Revolt
(B) Attingal Revolt
(C) Revolt of 1857
(D) Kurichiyar Revolt
Answer: A
84.
Who is known as 'Kalidasa of Kerala'?
(A) Kerala Varma Valiya Koil Thampuran
(B) Kumaranasan
(C) Azuthachan
(D) Ulloor S. Parameswaran Ayyar
Answer: A
85.
Who acted the role of Shree Narayana Guru in the film "Yugapurusham"?
(A) Mammooty
(B) Thalaivasal Vijay
(C) R. Sukumaran
(D) Mohanlalqu
Answer: B
86.
Which among the following 8th Schedule languages of the Constitution are spoken by
minority polulation?
(A) Konkani
(B) Dogri
(C) Sanskrit
(D) Manipuri
Answer: C
87.
The birth place of Chattampi Swamikal
(A) Kannammoola
(B) Venganoor
(C) Sasthamkovil
(D) Chempazani
Answer: A
88.
How many numbers of days lasted the Vaikom Satyagraha?
(A) 603 days
(B) 618 days
(C) 630 days
(D) 512 days
Answer: A
89.
Which social reformer is known as the "Lincoln of Kerala"?
(A) Chattampi Swamikal
(B) Pandit Karuppan
(C) K. Ayyappan
(D) Shree Narayana Guru
Answer: B
90.
The Jnanapit Award recipient of 2015 Raghuveer Chaudhari is famous for his writings
in .................. language.
(A) Bengali
(B) Kannada
(C) Hindi
(D) Gujarati
Answer: D
91. In which year the European Union was awarded the Nobel Prize for peace?
(A) 2014
(B) 2013
(C) 2012
(D) 2015
Answer: C
92. Which movie won the best picture award for the 2016 Oscar?
(A) The Revenant
(B) Bridge of Species
(C) Spot Light
(D) Brooklynqu
Answer: C
93. Which Iranian film maker who won the "Palme d′ or’ passed away recently?
(A) Majid Majidi
(B) Abbas Kiarostami
(C) Mohsen Makhmalbaf
(D) Jafar Panali
Answer: B
94. Which country is the last member State of UNO?
(A) Bahamas
(B) Azerbaijan
(C) South Sudan
(D) Zimbabwe
Answer: C
95. Whose work is "Keralam Malayalikalude Mathrubhumi"?
(A) George Varghese
(B) B. Rajeevan
(C) Dr. D. Babu Paul
(D) E.M.S.
Answer: D
96. Which literary work received the Vayalor Award of 2015?
(A) Manushyanu Oru Aamukham
(B) Arachaar
(C) Shyama Madhavam
(D) Anthimahakalam
Answer: A
97. Who is the Human Resource Development Minister of Union Cabinet?
(A) Smriti Irani
(B) Prakash Javadekar
(C) Kabilsibel
(D) M. Venkaiah Naidu
Answer: B
98. Which Article of the Constitution was named by Dr. B. R. Ambedkar as the Jewel Part?
(A) Article 32
(B) Article 19
(C) Article 29
(D) Article 31
Answer: A
99. Who won the 2016 COPA America?
(A) Argenteena
(B) USA
(C) Chili
(D) Columbia
Answer: C
100. Full form of NSG
(A) Nuclear Suppliers Groupqu
(B) National Security Group
(C) National Savings Group
(D) Nuclear Sanctioned Group
Answer: A
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