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Recent questions tagged ugcnetcse-dec2006-paper2

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UGC NET CSE | December 2006 | Part 2 | Question: 1
Which of the regular expressions corresponds to this grammar ? $S → AB/AS, A → a/aA, B → b$ $aa^*b^+$ $aa^*b$ $(ab)^*$ $a(ab)^*$

go_editor asked in Theory of Computation Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 2
The proposition ~ q ∨ p is equivalent to :

go_editor asked in Mathematical Logic Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 3
The number of edges in a complete graph with $N$ vertices is equal to : $N (N−1)$ $2N−1$ $N−1$ $N(N−1)/2$

go_editor asked in Graph Theory Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 4
Which of the following is not true ? A−B=A ∩ ~ B

go_editor asked in Others Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 5
If $(a^2−b^2)$ is a prime number where a and b $\in$ N, then : $a^2−b^2=3$ $a^2−b^2=a−b$ $a^2−b^2=a+b$ $a^2−b^2=5$

go_editor asked in Others Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 6
The hexadecimal equivalent of $(10111)_2\times(1110)_2$ is : $150$ $241$ $142$ $101011110$

go_editor asked in Digital Logic Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 7
An example of a self complementing code is : $8421$ code Gray code Excess-$3$ code $7421$ code

go_editor asked in Digital Logic Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 8
A sum of products expression can be implemented with __________ logic gates. AND−OR NAND−OR AND−NOT OR−AND

go_editor asked in Digital Logic Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 9
The characteristic equation of the $\text{D}$ flip-flop is : $\text{Q=D}$ $\text{Q=1}$ $\text{Q=0}$

go_editor asked in Digital Logic Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 10
Which of the following logic is the fastest ? $\text{RTL}$ $\text{ECL}$ $\text{HTL}$ $\text{HCL}$

go_editor asked in Others Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 11
When a function is recursively called, all automatic variables : are initialized during each execution of the function are retained from the last execution are maintained in a stack are ignored

go_editor asked in DS Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 12
Enumeration variables can be used in : search statement like an integer variable break statement preprocessor commands function statement

go_editor asked in Others Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 13
int arr[ ]={1, 2, 3, 4} int count; incr( ) {return ++count;} main( ) { arr[count++]=incr( ); printf(“arr[count]=%d\n”, arr[count]); } The value printed by the above program is : $1$ $2$ $3$ $4$

go_editor asked in Programming in C Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 14
When one-dimensional character array of unspecified length is assigned an initial value : an arbitrary character is automatically added to the end of the string ‘o’ is added to the end of the string length of the string is added to the end of the string ‘end’ is added to the end of the string

go_editor asked in Others Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 15
The declaration “unsigned u” indicates : u is an unsigned character u is an unsigned integer u is a character u is a string

go_editor asked in Programming in C Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 16
Which possibility among the following is invalid in case of a Data Flow Diagram ? A process having in-bound data flows more than out-bound data flows A data flow between two processes A data flow between two data stores A data store having more than one in-bound data flows

go_editor asked in IS&Software Engineering Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 17
In DBMS, deferred update means : All the updates are done first but the entries are made in the log file later All the log files entries are made first but the actual updates are done later Every update is done first followed by a writing on the log file Changes in the views are deferred till a query asks for a view

go_editor asked in Databases Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 18
Which statement is false regarding data independence ? Hierarchical data model suffers from data independence Network model suffers from data independence Relational model suffers only from logical data independence Relational model suffers only from physical data independence

go_editor asked in Databases Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 19
Which of the following tools is not required during system analysis phase of system development life cycle ? Case tool RAD tool Reverse engineering None of these

go_editor asked in IS&Software Engineering Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 20
Two phase protocol in a database management system is : a concurrency mechanism that is not deadlock free a recovery protocol used for restoring a database after a crash Any update to the system log done in 2-phases not effective in Database

go_editor asked in Databases Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 21
Which algorithm has same average, worst case and best case time ? Binary search Maximum of n number Quick sort Fibonacci search

go_editor asked in Algorithms Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 22
Binary search tree is an example of : Divide and conquer technique Greedy algorithm Back tracking Dynamic Programming

go_editor asked in Algorithms Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 23
What is the time required to insert an element in a stack with linked implementation ? $O (\log_2 n)$ $O (n)$ $O (n\log_2 n)$ $O (1)$

go_editor asked in DS Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 24
The equivalent postfix expression for $d{\large /}(e+f)+b*c$ : $defbc/++*$ $def+/bc+*$ $def+/bc*+$ None of these

go_editor asked in DS Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 25
Which one of the following is a physical data structure ? Array Linked lists Stacks Tables

go_editor asked in DS Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 26
How many $DS1$ signals are transported on a $DS3$ signal ? $24$ $672$ $14$ $28$

go_editor asked in Computer Networks Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 27
A $10\:\text{BASE-}2$ network is limited to : $20$ bytes per data field $30$ stations per segment $40$ segments $50$ feet of cable

go_editor asked in Computer Networks Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 28
The network $198.78.41.0$ is a : Class A Network Class B Network Class C Network Class D Network

go_editor asked in Computer Networks Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 29
The subnet mask $255.255.255.192$ Extends the network portion to 16 bits Extends the network portion to 26 bits Extends the network portion to 36 bits Has no effect on the network portion of an IP address

go_editor asked in Computer Networks Mar 27, 2020

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UGC NET CSE | December 2006 | Part 2 | Question: 30
The $\text{LAPB}$ frame structure and the frame structure of $\text{SDLC}$ are : Opposite Identical Reversed Non-identical

go_editor asked in IS&Software Engineering Mar 27, 2020

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Recent questions tagged ugcnetcse-dec2006-paper2