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121

UGC NET CSE | September 2013 | Part 2 | Question: 7
The $\text{IEEE}$ single-precision and double-precision format to represent floating-point numbers, has a length of ______ and ________ respectively. $8$ bits and $16$ bits $16$ bits and $32$ bits $32$ bits and $64$ bits $64$ bits and $128$ bits

answered in Digital Logic Jul 20, 2016

1.7k views

4 votes

122

Determinant of matrix
What is the determinant of matrix 2A. determinant of matrix A is 3. and IT is 4 by 4 matrix?

answered in Linear Algebra Jul 18, 2016

1.4k views

3 votes

123

Discrete Mathematics Sets Question
Prove that : A △ B = ( A ∪ B ) - ( A ∩ B )

answered in Set Theory & Algebra Jul 17, 2016

1.7k views

1 vote

124

UGC NET CSE | June 2013 | Part 3 | Question: 33
Refer the points as listed below: What are the operator precedence rules? What are the operator associativity rules? What is the order of operand evaluation? Are these restrictions on operand evaluations side effects? Which of the above must be considered as primary design ... $\text{i, ii and iv}$ $\text{i, ii, iii and iv}$

answered in Programming in C Jul 17, 2016

866 views

4 votes

125

UGC NET CSE | June 2013 | Part 3 | Question: 36
The grammar with production rules $S \rightarrow aSb \mid SS \mid \lambda$ generates language $L$ given by: $L = \{ w \in \{a, b\}* \mid n_a(w) = n_b(w) \text{ and } n_a(v) \geq n_b(v) \text{ where v is any prefix of w} \}$ ...

answered in Theory of Computation Jul 17, 2016

2.6k views

1 vote

126

UGC NET CSE | June 2013 | Part 3 | Question: 8
The employee information of an organization is stored in a relation: Employee (name, sex, salary, deptname). Consider the following SQL query: Select deptname from Employee where sex=’M’ group by dept name ... salary of the organization Average salary of male employees in a department is more than average salary of the organization

answered in Databases Jul 16, 2016

3.5k views

0 votes

127

UGC NET CSE | June 2013 | Part 3 | Question: 22
What is the baud rate of standard 10 Mbps Ethernet? 10 megabaud 20 megabaud 30 megabaud 40 megabaud

answered in Computer Networks Jul 16, 2016

6.0k views

1 vote

128

UGC NET CSE | June 2013 | Part 3 | Question: 17
The baud rate of a signal is 600 baud/second. If each signal unit carries 6 bits, then the bit rate of a signal is ____ 3600 100 6/600 None of the above

answered in Computer Networks Jul 16, 2016

5.2k views

2 votes

129

UGC NET CSE | June 2013 | Part 3 | Question: 16
In a fully connected mesh network with n devices, there are _____ physical channels to link all devices. n(n-1)/2 n(n+1)/2 2n 2n+1

answered in Computer Networks Jul 16, 2016

4.9k views

6 votes

130

UGC NET CSE | June 2013 | Part 3 | Question: 9
For a database relation R(a, b, c, d) where the domains of a, b, c, d include only the atomic values. The functional dependency a $\rightarrow$ c, b $\rightarrow$ d holds in the following relation. In 1NF not in 2NF In 2NF not in 3NF In 3NF in 1 NF

answered in Databases Jul 16, 2016

1.5k views

6 votes

131

How many different Boolean functions are there for n Boolean variables?
How many different Boolean functions are there for $n$ Boolean variables? A. $n^ n$ B. $2^ {2^ n}$ C. $n^ {n^2}$ D. $2^ {n^2}$

answered in Digital Logic Jul 15, 2016

16.2k views

1 vote

132

ISI Maths
11(V1+V2)15T

answered in Unknown Category Jul 15, 2016

306 views

0 votes

133

ISI Maths
If (a+b/b+c)=(c+d/d+a) then (A) {a=c}; (B) either {a=c} or {a+b+c+d = 0}; (C) {a+b+c+d = 0}; (D) {a=c} and {b = d} if a=c lhs=rhs but how to prove same when a+b+c+d= because answer is B

answered in Unknown Category Jul 15, 2016

235 views

0 votes

134

UGC NET CSE | June 2013 | Part 2 | Question: 29
The value of postfix expression: 834+-382/+*2$3+ is 17 131 64 52

answered in Others Jul 14, 2016

6.3k views

2 votes

135

UGC NET CSE | June 2013 | Part 2 | Question: 43
Which one of the following is decimal value of a signed binary number 1101010, if it is in 2’s complement form? -42 -22 -21 -106

answered in Graph Theory Jul 14, 2016

4.0k views

6 votes

136

UGC NET CSE | June 2013 | Part 2 | Question: 41
How many different Boolean functions of degree 4 are there? $2^4$ $2^8$ $2^{12}$ $2^{16}$

answered in Digital Logic Jul 14, 2016

6.9k views

7 votes

137

UGC NET CSE | June 2013 | Part 2 | Question: 34
The relation “devides” on a set of positive integers is_____ Symmetric and transitive Anti symmetric and transitive Symmetric only Transitive only

answered in Set Theory & Algebra Jul 14, 2016

7.7k views

4 votes

138

UGC NET CSE | June 2013 | Part 2 | Question: 21
Given the production rules of a grammar G1 as $S_1 \rightarrow AB \mid aaB$ $A \rightarrow a \mid Aa$ $B \rightarrow b$ and the production rules of a grammar G2 as $S_2 \rightarrow aS_2bS_2 \mid bS_2 aS_2 \mid \lambda$ Which ... G1 is ambiguous and G2 is ambiguous G1 is not ambiguous and G2 is ambiguous G1 is not ambiguous and G2 is not ambiguous

answered in Compiler Design Jul 14, 2016

3.6k views

2 votes

139

UGC NET CSE | June 2013 | Part 2 | Question: 24
Given a Non-deterministic Finite Automaton (NFA) with states $\text{p}$ and $\text{r}$ as initial and final states respectively and transition table as given below $:$ ... $5$ $4$ $3$ $2$

answered in Theory of Computation Jul 14, 2016

7.7k views

6 votes

140

UGC NET CSE | June 2013 | Part 2 | Question: 23
The equivalent production rules corresponding to the production rules $S \rightarrow S \alpha_1 \mid S \alpha_2 \mid \beta_1 \mid \beta_2$ is $S \rightarrow \beta_1 \mid \beta_2, A \rightarrow \alpha_1 A \mid \alpha_2 A \mid \lambda$ ...

answered in Compiler Design Jul 14, 2016

3.8k views

1 vote

141

UGC NET CSE | June 2013 | Part 2 | Question: 15
Which of the following addresses is used to deliver a message to the correct application program running on a host? Port IP Logical Physical

answered in Others Jul 14, 2016

5.7k views

1 vote

142

UGC NET CSE | June 2013 | Part 2 | Question: 17
In classful addressing, the IP address 190.255.254.254 belongs to Class A Class B Class C Class D

answered in Computer Networks Jul 14, 2016

2.8k views

1 vote

143

The hexadecimal equivalent of the decimal number
The hexadecimal equivalent of the decimal number 0.25 is (A)0 .25 (B) 0.35 (C)0 .40 (D) 0.15

answered in Digital Logic Jul 14, 2016

1.8k views

2 votes

144

Gateforum Correspondence Course ( Page #33, Q# 31 )
Answer given is D, but I think D & B both are correct. Am I right ??

answered in Computer Networks Jul 13, 2016

295 views

1 vote

145

UGC NET CSE | June 2013 | Part 2 | Question: 6
When the following code is executed what will be the value of x and y? int x=1, y=0; y=x++; 2, 1 2, 2 1, 1 1, 2

answered in Others Jul 13, 2016

2.8k views

2 votes

146

UGC NET CSE | June 2013 | Part 2 | Question: 5
Cyclometric complexity of a flow graph G with n vertices and e edges is V(G) = e+n-2 V(G) = e-n+2 V(G) = e+n+2 V(G) = e-n-2

answered in Graph Theory Jul 13, 2016

749 views

0 votes

147

UGC NET CSE | December 2012 | Part 3 | Question: 51
Suppose there are $\log_n$ sorted lists of $n \log_n$ element each. The time complexity of producing a sorted list of all these elements is (use heap data structure) $O (n \log \log_n)$ $\theta (n \log_n)$ $\Omega (n \log_n)$ $\Omega (n^{3/2})$

answered in Algorithms Jul 13, 2016

1.3k views

1 vote

148

UGC NET CSE | June 2013 | Part 2 | Question: 1
COCOMO stands for COmposite COst MOdel COnstructive COst MOdel COnstructive COmposite MOdel COmprehensive COnstruction MOdel

answered in Others Jul 13, 2016

860 views

1 vote

149

UGC NET CSE | December 2012 | Part 3 | Question: 70
Referential integrity is directly related to Relation key Foreign key Primary key Candidate key

answered in Databases Jul 13, 2016

2.0k views

6 votes

150

UGC NET CSE | December 2012 | Part 3 | Question: 50
Which of the following definitions generates the same Language as $L$, where $L=\{ WW^R \mid W \in \{a, b\}$*$\}$? $S \rightarrow asb \mid bsa \mid \in$ $S \rightarrow asa \mid bsb \mid \in$ $S \rightarrow asa \mid bsa \mid asa \mid bsb \mid \in$ $S \rightarrow asa \mid bsa \mid asa \mid bsb \mid$

answered in Theory of Computation Jul 13, 2016

4.2k views

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