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Exam Details

Computer Science & Information Technology (CS) 2017 [Session 2]

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Questions 65
Duration 180 mins
Package Computer Science & Information Technology (CS) - Previous Year Papers

Paper pattern & analysis

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Showing all 65 questions in this paper.

Subject distribution

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Topic distribution

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Subtopic distribution

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Difficulty distribution

Easy 45 69.2%
Hard 20 30.8%

Question type distribution

Multiple Choices 45 69.2%
Fill in the blanks 20 30.8%

Instructions

Computer Science & Information Technology (CS) 2017 [Session 2] – Instructions
  • Total number of questions: 65
  • 30 questions carry one mark each
  • 35 questions carry two marks each
  • Negative marking: 1/3 of the marks allotted to the question
  • Use of calculator is allowed
  • This is a proctored examination
  • All other browser applications will be automatically closed
  • After three warnings, the examination window will close automatically

Syllabus

Full Syllabus

Sample questions from this paper

Questions are selected across the paper subjects wherever the paper contains that variety.

1
2017 · Unclassified
Computer Science & Information Technology (CS) 2017 [Session 2]
Q.1 – Q.5 carry one mark each.

The representation of the value of a 16-bit unsigned integer X in hexadecimal number system is BCA9. The representation of the value of X in octal number system is

A
571244
B
736251
C
571247
D
136251
2
2017 · Unclassified
Computer Science & Information Technology (CS) 2017 [Session 2]
Correct : 1 Wrong : -0.33

Match the following:

(P) static char var;(i) Sequence of memory locations to store addresses
(Q) m = malloc(10); m = NULL;(ii) A variable located in data section of memory
(R) char *ptr[10];(iii) Request to allocate a CPU register to store data
(S) register int var1;(iv) A lost memory which cannot be freed
(A) P → (ii), Q → (iv), R → (i), S → (iii) (B) P → (ii), Q → (i), R → (iv), S → (iii) (C) P → (ii), Q → (iv), R → (iii), S → (i) (D) P → (iii), Q → (iv), R → (ii), S → (i)
Write your response
3
2017 · Unclassified
Computer Science & Information Technology (CS) 2017 [Session 2]
Correct : 1 Wrong : -0.33

Match the algorithms with their time complexities:

AlgorithmTime complexity
(P) Towers of Hanoi with n disks(i) θ(n2)
(Q) Binary search given n sorted numbers(ii) θ(n log n)
(R) Heap sort given n numbers at the worst case(iii) θ(2n)
(S) Addition of two n × n matrices(iv) θ(log n)
(A) P → (iii), Q → (iv), R → (i), S → (ii) (B) P → (i), Q → (ii), R → (iii), S → (iv) (C) P → (ii), Q → (iv), R → (iii), S → (i) (D) P → (iii), Q → (ii), R → (iv), S → (i)
Write your response
4
2017 · Unclassified
Computer Science & Information Technology (CS) 2017 [Session 2]
Correct : 1 Wrong : -0.33

Let L1, L2 be any two context-free languages and R be any regular language. Then which of the following is/are CORRECT?

I. L1 ∪ L2 is context-free. II. L1 is context-free. III. L1 − R is context-free. IV. L1 ∩ L2 is context-free.

A
I, II and IV only
B
I and III only
C
II and IV only
D
I only
5
2017 · Unclassified
Computer Science & Information Technology (CS) 2017 [Session 2]
Correct : 1 Wrong : -0.33

Match the following according to input (from the left column) to the compiler phase (in the right column) that processes it:

(P) Syntax tree(i) Code generator
(Q) Character stream(ii) Syntax analyzer
(R) Intermediate representation(iii) Semantic analyzer
(S) Token stream(iv) Lexical analyzer
A
P → (ii), Q → (iii), R → (iv), S → (i)
B
P → (ii), Q → (i), R → (iii), S → (iv)
C
P → (iii), Q → (iv), R → (i), S → (ii)
D
P → (i), Q → (iv), R → (iii), S → (ii)
6
2017 · Unclassified
Computer Science & Information Technology (CS) 2017 [Session 2]
Q.6 – Q.10 carry two marks each.

Which of the following statements about parser is/are CORRECT?

I. Canonical LR is more powerful than SLR. II. SLR is more powerful than LALR. III. SLR is more powerful than Canonical LR.

A
I only
B
II only
C
III only
D
II and III only