ISRO Computer Science (CSE) 2017-2 Question Paper & Solutions

Attempt the ISRO Computer Science (CSE) 2017-2 previous year paper in real CBT exam mode or practice mode with the official answer key. Step-by-step explanations are coming soon.

All ISRO Computer Science (CSE) papers

80 questions.

Question 1

ISRO Scientist/Engineer CS 2017, Question 1: see the question image.

Figure for question 1, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: D. Option D

Question 2

ISRO Scientist/Engineer CS 2017, Question 2: see the question image.

Figure for question 2, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: D. Option D

Question 3

ISRO Scientist/Engineer CS 2017, Question 3: see the question image.

Figure for question 3, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: C. Option C

Question 4

ISRO Scientist/Engineer CS 2017, Question 4: see the question image.

Figure for question 4, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: D. Option D

Question 5

ISRO Scientist/Engineer CS 2017, Question 5: see the question image.

Figure for question 5, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: A. Option A

Question 6

ACID properties of a transactions are

  • A. Atomicity, consistency, isolation, database
  • B. Atomicity, consistency, isolation, durability
  • C. Atomicity, consistency, integrity, durability
  • D. Atomicity, consistency, integrity, database

Answer: B. Atomicity, consistency, isolation, durability

Question 7

ISRO Scientist/Engineer CS 2017, Question 7: see the question image.

Figure for question 7, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 8

ISRO Scientist/Engineer CS 2017, Question 8: see the question image.

Figure for question 8, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 9

The symmetric difference of sets A = {1, 2, 3, 4, 5, 6, 7, 8} and B = {1, 3, 5, 6, 7, 8, 9} is

  • A. {1, 3, 5, 6, 7, 8}
  • B. {2, 4, 9}
  • C. {2, 4}
  • D. {1, 2, 3, 4, 5, 6, 7, 8, 9}

Answer: B. {2, 4, 9}

Question 10

ISRO Scientist/Engineer CS 2017, Question 10: see the question image.

Figure for question 10, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: C. Option C

Question 11

Given the following statements S1 : Every context-sensitive language L is recursive S2 : There exists a recursive language that is not context-sensitive Which statements are true?

  • A. Only S1 is correct
  • B. Only S2 is correct
  • C. Both S1 and S2 are not correct
  • D. Both S1 and S2 are correct

Answer: D. Both S1 and S2 are correct

Question 12

ISRO Scientist/Engineer CS 2017, Question 12: see the question image.

Figure for question 12, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: D. Option D

Question 13

ISRO Scientist/Engineer CS 2017, Question 13: see the question image.

Figure for question 13, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: C. Option C

Question 14

ISRO Scientist/Engineer CS 2017, Question 14: see the question image.

Figure for question 14, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 15

ISRO Scientist/Engineer CS 2017, Question 15: see the question image.

Figure for question 15, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: D. Option D

Question 16

Given two statements (i) Insertion of an element should be done at the last node in a circular list (ii) Deletion of an element should be done at the last node of the circular list

  • A. Both are true
  • B. Both are false
  • C. First is false and second is true
  • D. None of the above

Answer: D. None of the above

Question 17

ISRO Scientist/Engineer CS 2017, Question 17: see the question image.

Figure for question 17, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 18

ISRO Scientist/Engineer CS 2017, Question 18: see the question image.

Figure for question 18, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 19

ISRO Scientist/Engineer CS 2017, Question 19: see the question image.

Figure for question 19, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 20

ISRO Scientist/Engineer CS 2017, Question 20: see the question image.

Figure for question 20, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: C. Option C

Question 21

ISRO Scientist/Engineer CS 2017, Question 21: see the question image.

Figure for question 21, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: A. Option A

Question 22

ISRO Scientist/Engineer CS 2017, Question 22: see the question image.

Figure for question 22, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 23

What is the minimum number of two-input NAND gates used to perform the function of two input OR gate?

  • A. One
  • B. Two
  • C. Three
  • D. Four

Answer: C. Three

Question 24

When two n-bit binary numbers are added the sum will contain at the most

  • A. n bits
  • B. (n + 3) bits
  • C. (n + 2) bits
  • D. (n + 1) bits

Answer: D. (n + 1) bits

Question 25

ISRO Scientist/Engineer CS 2017, Question 25: see the question image.

Figure for question 25, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: D. Option D

Question 26

ISRO Scientist/Engineer CS 2017, Question 26: see the question image.

Figure for question 26, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: C. Option C

Question 27

Physical topology of FDDI is?

  • A. Bus
  • B. Ring
  • C. Star
  • D. None of the above

Answer: B. Ring

Question 28

ISRO Scientist/Engineer CS 2017, Question 28: see the question image.

Figure for question 28, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: C. Option C

Question 29

The default subnet mask for a class B network can be

  • A. 255.255.255.0
  • B. 255.0.0.0
  • C. 255.255.192.0
  • D. 255.255.0.0

Answer: D. 255.255.0.0

Question 30

ISRO Scientist/Engineer CS 2017, Question 30: see the question image.

Figure for question 30, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: A. Option A

Question 31

ISRO Scientist/Engineer CS 2017, Question 31: see the question image.

Figure for question 31, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: D. Option D

Question 32

ISRO Scientist/Engineer CS 2017, Question 32: see the question image.

Figure for question 32, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 33

ISRO Scientist/Engineer CS 2017, Question 33: see the question image.

Figure for question 33, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: D. Option D

Question 34

Match with the suitable one:

Figure for question 34, ISRO Computer Science (CSE) 2017-2

  • A. A-2, B-3, C-4, D-1
  • B. A-2, B-4, C-3, D-1
  • C. A-3, B-4, C-1, D-2
  • D. A-3, B-1, C-4, D-2

Answer: A. A-2, B-3, C-4, D-1

Question 35

MD5 is a widely used hash function for producing hash value of

  • A. 64 bits
  • B. 128 bits
  • C. 512 bits
  • D. 1024 bits

Answer: B. 128 bits

Question 36

ISRO Scientist/Engineer CS 2017, Question 36: see the question image.

Figure for question 36, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: A. Option A

Question 37

ISRO Scientist/Engineer CS 2017, Question 37: see the question image.

Figure for question 37, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: C. Option C

Question 38

ISRO Scientist/Engineer CS 2017, Question 38: see the question image.

Figure for question 38, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 39

ISRO Scientist/Engineer CS 2017, Question 39: see the question image.

Figure for question 39, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: C. Option C

Question 40

ISRO Scientist/Engineer CS 2017, Question 40: see the question image.

Figure for question 40, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: D. Option D

Question 41

ISRO Scientist/Engineer CS 2017, Question 41: see the question image.

Figure for question 41, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: C. Option C

Question 42

ISRO Scientist/Engineer CS 2017, Question 42: see the question image.

Figure for question 42, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: D. Option D

Question 43

ISRO Scientist/Engineer CS 2017, Question 43: see the question image.

Figure for question 43, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 44

Which of the following is associated with objects?

  • A. State
  • B. Behavior
  • C. Identity
  • D. All of the above

Answer: D. All of the above

Question 45

Which one of these is characteristic of RAID 5?

  • A. Dedicated parity
  • B. Double parity
  • C. Hamming code parity
  • D. Distributed parity

Answer: D. Distributed parity

Question 46

ISRO Scientist/Engineer CS 2017, Question 46: see the question image.

Figure for question 46, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: A. Option A

Question 47

ISRO Scientist/Engineer CS 2017, Question 47: see the question image.

Figure for question 47, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: A. Option A

Question 48

ISRO Scientist/Engineer CS 2017, Question 48: see the question image.

Figure for question 48, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: C. Option C

Question 49

ISRO Scientist/Engineer CS 2017, Question 49: see the question image.

Figure for question 49, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: D. Option D

Question 50

ISRO Scientist/Engineer CS 2017, Question 50: see the question image.

Figure for question 50, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: A. Option A

Question 51

ISRO Scientist/Engineer CS 2017, Question 51: see the question image.

Figure for question 51, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: A. Option A

Question 52

Given reference to the following pages by a program 0, 9, 0, 1, 8, 1, 8, 7, 8, 7, 1, 2, 8, 2, 7, 8, 2, 3, 8, 3 How many page faults will occur if the program has three page frames available to it and uses an optimal replacement?

  • A. 7
  • B. 8
  • C. 9
  • D. None of these

Answer: A. 7

Question 53

In a doubly linked list, the number of pointers affected for an insertion operation will be

  • A. 4
  • B. 0
  • C. 1
  • D. Depend up on the nodes of the doubly linked list

Answer: A. 4

Question 54

ISRO Scientist/Engineer CS 2017, Question 54: see the question image.

Figure for question 54, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: D. Option D

Question 55

What does the following C-statement declare? int (*f) (int*);

  • A. A function that takes an integer pointer as argument and returns an integer
  • B. A function that takes an integer as argument and returns an integer pointer
  • C. A pointer to a function that takes an integer pointer as argument and returns an integer
  • D. A function that takes an integer pointer as argument and returns a function pointer

Answer: C. A pointer to a function that takes an integer pointer as argument and returns an integer

Question 56

ISRO Scientist/Engineer CS 2017, Question 56: see the question image.

Figure for question 56, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 57

ISRO Scientist/Engineer CS 2017, Question 57: see the question image.

Figure for question 57, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 58

ISRO Scientist/Engineer CS 2017, Question 58: see the question image.

Figure for question 58, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: D. Option D

Question 59

ISRO Scientist/Engineer CS 2017, Question 59: see the question image.

Figure for question 59, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 60

The cyclomatic complexity of each of the modules X and Y shown below is 10. What is the cyclomatic complexity of the sequential integration shown on the right hand side?

Figure for question 60, ISRO Computer Science (CSE) 2017-2

  • A. 21
  • B. 19
  • C. 20
  • D. 10

Answer: B. 19

Question 61

ISRO Scientist/Engineer CS 2017, Question 61: see the question image.

Figure for question 61, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: C. Option C

Question 62

ISRO Scientist/Engineer CS 2017, Question 62: see the question image.

Figure for question 62, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 63

ISRO Scientist/Engineer CS 2017, Question 63: see the question image.

Figure for question 63, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: C. Option C

Question 64

ISRO Scientist/Engineer CS 2017, Question 64: see the question image.

Figure for question 64, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 65

Which product metric gives the measure of the average length of words and sentence in documents?

  • A. SCI number
  • B. Cyclomatic complexity
  • C. LOC
  • D. Fog index

Answer: D. Fog index

Question 66

ISRO Scientist/Engineer CS 2017, Question 66: see the question image.

Figure for question 66, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 67

A B-Tree used as an index for a large database table has four levels including the root node. If a new key is inserted in this index, then the maximum number of nodes that could be newly created in the process are

  • A. 5
  • B. 4
  • C. 1
  • D. 2

Answer: A. 5

Question 68

A critical region

  • A. is a piece of code which only one process executes at a time
  • B. is a region prone to deadlock
  • C. is a piece of code which only a finite number of processes execute
  • D. is found only in windows NT operating system

Answer: A. is a piece of code which only one process executes at a time

Question 69

ISRO Scientist/Engineer CS 2017, Question 69: see the question image.

Figure for question 69, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: A. Option A

Question 70

ISRO Scientist/Engineer CS 2017, Question 70: see the question image.

Figure for question 70, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: A. Option A

Question 71

ISRO Scientist/Engineer CS 2017, Question 71: see the question image.

Figure for question 71, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 72

ISRO Scientist/Engineer CS 2017, Question 72: see the question image.

Figure for question 72, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: C. Option C

Question 73

Which of the following statement is true?

  • A. Hard real time OS has less jitter than soft real time OS
  • B. Hard real time OS has more jitter than soft real time OS
  • C. Hard real time OS has equal jitter as soft real time OS
  • D. None of the above

Answer: A. Hard real time OS has less jitter than soft real time OS

Question 74

ISRO Scientist/Engineer CS 2017, Question 74: see the question image.

Figure for question 74, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 75

Choose the most appropriate HTML tag in the following to create a numbered lists.

  • A. <dl>
  • B. <list>
  • C. <Ul>
  • D. <ol>

Answer: D. <ol>

Question 76

ISRO Scientist/Engineer CS 2017, Question 76: see the question image.

Figure for question 76, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: D. Option D

Question 77

ISRO Scientist/Engineer CS 2017, Question 77: see the question image.

Figure for question 77, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: D. Option D

Question 78

ISRO Scientist/Engineer CS 2017, Question 78: see the question image.

Figure for question 78, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B. Option B

Question 79

The output of a lexical analyzer is

  • A. A parse tree
  • B. Intermediate code
  • C. Machine code
  • D. A stream of tokens

Answer: D. A stream of tokens

Question 80

ISRO Scientist/Engineer CS 2017, Question 80: see the question image.

Figure for question 80, ISRO Computer Science (CSE) 2017-2

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: C. Option C

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