UGC Net Computer Science Paper 3 Dec 13 Page 7

61. Which of the following is not true with respect to a trackball and/or spaceball ?
I. A trackball is a two dimensional positioning device while as a spaceball provides six degrees of freedom.
II. Unlike the trackball a spaceball does not actually move.
III. A trackball is a three dimensional positioning device while as a spaceball provides six degrees of freedom.

(A) I & II
(B) II & III
(C) II only
(D) III only

62. Which of the following statement(s) is (are) true ?
I. Two successive translations are additive.
II. Two successive rotations are additive.

UGC Net Computer Science Paper 3 Dec 13 Solved Page 6

51. Synchronization is achieved by a timing device called a ________ which generates a periodic train of ________.
(A) clock generator, clock pulse
(B) master generator, clock pulse
(C) generator, clock
(D) master clock generator, clock pulse

UGC Net Computer Science December 13 Paper 3 Page 5 Solved

40.  Pumping lemma for context-free languages states : Let L be an infinite context free language. Then there exists some positive integer m such that any w ∈ L with |w| ≥ m can be decomposed as

w = uv xy Z with |vxy| _________ and |vy| _________ such that 

Z ∈ L for all .z = 0, 1, 2, ....... .
(A) ≤ m, ≤ 1
 (B) ≤ m, ≥ 1
(C) ≥ m, ≤ 1
(D) ≥ m, ≥ 1

C Language Model Question Set2

C Language

Name : ______________________                                                                                                        Time :________________

Part 1

Objective

Q 1. Which one of the following translate or convert high level language program line by line.
A) Translator  

 B)Compiler   

 C)Both  

D) None