UGC NET Computer Science June 2014 Solved Paper II - Part 2

11.       KPA in CMM stands for

(A) Key Process Area             (B) Key Product Area

(C) Key Principal Area                        (D) Key Performance Area

Answer: A

12.       Which one of the following is not a risk management technique for managing the risk due to unrealistic schedules and budgets?

(A) Detailed multi source cost and schedule estimation

(B) Design Cost

(C) Incremental development

(D) Information hiding

Answer: D

13.       ................ of a system is the structure or structures of the system which comprise software elements, the externally visible properties of these elements and the relationship amongst them.

(A) Software construction      (B) Software evolution

(C) Software architecture       (D) Software reuse

Answer: C

14.       In function point analysis, the number of complexity adjustment factors is

(A) 10     (B) 12

(C) 14     (D) 20

Answer: C

15.       Regression testing is primarily related to

(A) Functional testing             (B) Development testing

(C) Data flow testing               (D) Maintenance testing

Answer: D

16.       How many different truth tables of the compound propositions are there that involve the propositions p & q ?

(A) 2       (B) 4

(C) 8       (D) 16

Answer: D

17.       A Boolean function F is called self-dual if and only if

How many Boolean functions of degree n are self-dual ?

(A) 2ⁿ                       (B) (2)^{2^n}

(C) (2)^{n^2}                (D) (2)^{2^n-1}

Answer: D

18.       Which of the following statement(s) is(are) not correct ?

i. The 2's complement of 0 is 0.

ii. In 2's complement, the left most bit cannot be used to express a quantity.

iii. For an n-bit word (2's complement) which includes the sign bit, there are 2^n-1 positive integers, 2ⁿ⁺¹ negative integers and one 0 for a total of 2ⁿ unique states.

iv. In 2's complement the significant information is contained in the 1's of positive numbers and 0's of the negative numbers.

(A) i and iv        (B) i and ii

(C) iii                  (D) iv

Answer: C

19.       The notation ∃!xp(x) denotes the proposition "there exists a unique x such that P(x) is true".

Give the truth values of the following statements :

I. ∃!xP(x) → ∃xP(x)

II. ∃!x ¬ P(x) → ¬∀xp(x)

(A) Both I and II are true         (B) Both I and II are false

(C) I-false, II-true                      (D) I-true, II-false

Answer: A

20.    Give a compound proposition involving propositions p, q and r that is true when exactly two of p, q and r are true and is false otherwise.

(A) (p∨q∧¬r) ∧ (p∧¬q∧r) ∧ (¬p∧q∧r)

(B) (p∧q∧¬r) ˄ (p∨q∧¬r) ∧ (¬p∧q∧r)

(C) (p∧q∧¬r) ∨ (p∧¬q∧r) ∧ (¬p∧q∧r)

(D) (p∧q∧¬r) ∨ (p∧¬q∧r) ∨ (¬p∧q∧r)

Answer: D

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