Sunday, 7 February 2016

UGC NET COMPUTER SCIENCE SOLVED MODEL PAPER SET-1

UGC NET COMPUTER SCIENCE SOLVED MODEL PAPER SET -1

1. Which of the following statements is false?
(a) Every NFA can be converted to an equivalent DFA
(b) Every non-deterministic Turing machine can be converted to an equivalent deterministic Turing machine.
(c) Every regular language is also a context-free language
(d) Every subset of recursively enumerable set is recursive.
Ans.: d

2. Task of the lexical analysis
(a) To parse the source program into the basic elements or tokens of the language
(b) To build a literal table and an identifier table
(c) To build a uniform symbol table
(d) All of these
Ans.:d

3. Which of the following is not correct?
(a) feasible solution of an LPP is independent of the objective function
(b) the feasible region of an LPP must be a convex set
(c) the feasible region for a constraint is restricted if its ‘’ or ‘’ sign is replaced by a ‘=’ sign.
(d) it is not possible to obtain feasible solution of an LPP by graphical method.
Ans.:d
        

Saturday, 19 December 2015

UGC NET COMPUTER SCIENCE SOLVED QUESTION AND ANSWERS FOR DECEMBER 2015


     UGC NET COMPUTER SCIENCE SOLVED QUESTION AND ANSWERS FOR DECEMBER 2015                                                                                                                                                                                                             1. The process of dividing an analog signal into a string of discrete outputs, each of constant amplitude is called
A. Strobing
B. Amplification
C. Conditioning
D. Quantization

Ans.: D


2.       which of the following is not a basic primitive of the graphics kernel system(GKS) ?

       A.   POLYLINE
B. POLYDRAW
C. FILL AREA
D. POLYMARKER
Ans.: B

 3. 
   Match the following

List-I
List-II
Flood Gun
An electron gun designed to flood the entire screen with electrons.
Collector
Partly energised by flooding gun, stores the charge generated by the writing gun
Ground
used to discharge the collector
Phosphorus Grains
used in memory -tube display and similar to those used in standard CRT
Writing Gun System
used in memory -tube display and basically the same as the electron gun used in a conventional CRT.

Codes : (a) (b) (c) (d) (e)
A.            (i) (ii) (iii) (iv) (v)
B.            (ii) (iii) (i) (iv) (v)
C.            (iii) (i) (ii) (v) (iv)
D.            (iv) (v) (i) (ii) (iii)
Ans.: A

Saturday, 28 November 2015

UGC NET GENERAL KNOWLEDGE PAPER 1 MODEL SOLVED PAPER FOR DECEMBER 2015


UGC NET GENERAL KNOWLEDGE PAPER 1 MODEL SOLVED PAPER FOR DECEMBER 2015
1.       What is atomic number?
The number of protons that are present in a nucleus.
2.       What are asteroids?
They are small pieces of planet like material revolving around the sun mostly between the orbits of mars and Jupiter.
3.       What is bioluminescence?
The emission of light by cells of some living organisms
4.       What are cytokinins?
They are plant hormones that promote cell division in plants.
5.       What is meant by covalency?
The number of electrons lost by an atom or gained by another atom.