Dark Mode

Recent activity by Shimpy Goyal

2 answers

1

what should b lower bound if not given i consider (0 ,0) but no option then how to procedd here?
Consider an array A[20, 10], assume 4 words per memory cell and the base address of array A is 100. What is the address of A[11, 5] ? Assume row major storage. (A) 560 (B) 565 (C) 570 (D) 575

commented in DS Jun 27, 2015

904 views

1 answer

2

how to find without edge?
A certain tree has two vertices of degree 4, one vertex of degree 3 and one vertex of degree 2. If the other vertices have degree 1, how many vertices are there in the graph ? (A) 5 (B) n – 3 (C) 20 (D) 11

answer selected in Graph Theory Jun 27, 2015

1.8k views

2 answers

3

y not a? many time confuse in this kind of questions
Manager’s salary details are hidden from the employee. This is called as (A) Conceptual level data hiding (B) Physical level data hiding (C) External level data hiding (D) Local level data hiding

commented in Databases Jun 27, 2015

634 views

1 answer

4

plz dont say google it i already did but sm tech prob in my system it only downloading eco subject not computer science

commented in Others Jun 27, 2015

391 views

4 answers

5

UGC NET CSE | June 2014 | Part 2 | Question: 33
Consider a system with five processes $P_{0}$ through $P_{4}$ and three resource types $R_{1}$, $R_{2}$ and $R_{3}$ . Resource type $R_{1}$ has $10$ instances, $R_{2}$ has $5$ instances and $R_{3}$ has ... $R_{3}$. The state resulting after this allocation will be Ready state Safe state Blocked state Unsafe state

commented in Operating System Jun 27, 2015

4.3k views

1 answer

6

UGC NET CSE | June 2013 | Part 2 | Question: 33
Using data p=3, q=11, n=pq, d=7 in RSA algorithm find the cipher text of the given plain text SUZANNE BUTAEEZ SUZANNE XYZABCD ABCDXYZ

commented in Computer Networks Jun 27, 2015

9.6k views

1 answer

7

wts shortcut to solve this kind of question
Consider a set A = {1, 2, 3, …….., 1000}. How many members of A shall be divisible by 3 or by 5 or by both 3 and 5 ? (A) 533 (B) 599 (C) 467 (D) 66

answer selected in Probability Jun 27, 2015

3.2k views

1 answer

8

wts mean of this statement??
In 2’s complement the significant information is contained in the 1’s of positive numbers and 0’s of the negative numbers.

commented in Digital Logic Jun 27, 2015

603 views

2 answers

9

UGC NET CSE | December 2012 | Part 3 | Question: 39
When a programming language has the capacity to produce new datatype, it is called as, Overloaded Language Extensible Language Encapsulated Language Abstraction Language

asked in Programming Jun 27, 2015

1.2k views

3 answers

10

UGC NET CSE | June 2014 | Part 2 | Question: 48
A clustering index is created when _______. Primary key is declared and ordered No key ordered Foreign key ordered There is no key and no order

commented in Databases Jun 27, 2015

3.4k views

3 answers

11

UGC NET CSE | June 2014 | Part 2 | Question: 40
What is the maximum number of parenthesis that will appear on the stack at any one time for parenthesis expression given by $( ( ) \; ( ( ) ) \; ( ( ) ) )$ $2$ $3$ $4$ $5$

asked in DS Jun 27, 2015

7.1k views

6 answers

12

UGC NET CSE | December 2013 | Part 2 | Question: 49
How much space will be required to store the bit map of a 1.3 GB disk with 512 bytes block size? 332.8 KB 83.6 KB 266.2 KB 256.6 KB

commented in Operating System Jun 27, 2015

4.9k views

3 answers

13

UGC NET CSE | December 2013 | Part 2 | Question: 43
Which of the following is widely used inside the telephone system for long-haul data traffic? ISDN ATM Frame Relay ISTN

asked in Computer Networks Jun 26, 2015

2.5k views

1 answer

14

UGC NET CSE | December 2013 | Part 2 | Question: 36
How many edges are there in a forest of t-trees containing a total of n vertices ? n + t n – t n ∗ t nt

asked in Graph Theory Jun 26, 2015

3.1k views

1 answer

15

UGC NET CSE | December 2013 | Part 2 | Question: 11
The student marks should not be greater than 100. This is Integrity constraint Referential constraint Over-defined constraint Feasible constraint

asked in Databases Jun 26, 2015

2.5k views

2 answers

16

UGC NET CSE | June 2013 | Part 2 | Question: 39
Which of the following shall be a compound proposition involving the propositions p, q and r, that is true when exactly two of the p, q and r are true and is false otherwise? ... $(p \vee r \wedge q) \vee (p \wedge q \wedge r) \vee (\rceil p \wedge q \wedge r)$

commented in Mathematical Logic Jun 26, 2015

3.1k views

1 answer

17

kindly reply soon
Q-> what will the cipher text produced by the following cipher function for the plain test ISRO with key =7.[consider 'A'=0,'B'=1...'Z'=25] CK(M)=(kM+13)mod26 a)RJCH b)QIBG c)GQPM d) XPIN

commented in Computer Networks Jun 26, 2015

618 views

2 answers

18

ISRO2015-21
If $\text{D}_1,\text{D}_2, \dots \text{D}_n$ are domains in a relational model, then the relation is a table, which is a subset of $\text{D}_1 \oplus \text{D}_2 \oplus \dots \oplus \text{D}_n$ $\text{D}_1 \times \text{D}_2 \times \dots \times \text{D}_n$ $\text{D}_1 \cup \text{D}_2 \cup \dots \cup \text{D}_n$ $\text{D}_1 \cap \text{D}_2 \cap \dots \cap \text{D}_n$

commented in Databases Jun 26, 2015

4.0k views

5 answers

19

UGC NET CSE | December 2012 | Part 2 | Question: 18
Given the following expressions of a grammar $E \rightarrow E * F / F + E / F$ $F \rightarrow F – F / id$ Which of the following is true? $*$ has the higher precedence than + - has the higher precedence than $*$ + and – have same precedence + has the higher precedence than $*$

commented in Compiler Design Jun 24, 2015

1.4k views

1 answer

20

how to solve it
Q> How much speed do we gain by using the cache,when cache is used 80% of the time? assume cache is faster than main memory. a)5.27 b)2.00 c)4.16 d)6.09

commented in CO and Architecture Jun 24, 2015

597 views

9 answers

21

GATE CSE 2015 Set 2 | Question: 52
$\text{Host A}$ sends a $\text{UDP}$ datagram containing $8880\text{ bytes}$ of user data to $\text{host B}$ over an $\text{Ethernet LAN}.$ Ethernet frames may carry data up to $1500\text{ bytes (i.e. MTU = 1500 bytes)}.$ Size of $\text{UDP}$ ... be the contents of offset field in the last fragment? $6$ and $925$ $6$ and $7400$ $7$ and $1110$ $7$ and $8880$

commented in Computer Networks Jun 24, 2015

18.6k views

3 answers

22

UGC NET CSE | December 2012 | Part 2 | Question: 50
Given a Relation POSITION (Posting-No, Skill), then the query to retrieve all distinct pairs of posting-nos. requiring skill is Select p.posting-No, p.posting-No from position p where p.skill=p.skill and p.posting-No < p.posting-No Select p$_1$. ... p$_1$, position p$_2$ where p$_1$.skill=p$_2$.skill and p$_1$.posting.No = p$_2$.posting-No

commented in Databases Jun 24, 2015

2.4k views

4 answers

23

UGC NET CSE | December 2012 | Part 2 | Question: 25
Suppose that someone starts with a chain letter. Each person who receives the letter is asked to send it on to $4$ other people. Some people do this, while some do not send any letter. How many people have seen the letter, including the first person, if none ... out the letter? $122$ & $22$ $111$ & $11$ $133$ & $33$ $144$ & $44$

asked in DS Jun 23, 2015

5.3k views

6 answers

24

GATE IT 2008 | Question: 41
Assume that a main memory with only $4$ pages, each of $16$ bytes, is initially empty. The CPU generates the following sequence of virtual addresses and uses the Least Recently Used (LRU) page replacement policy. $\text{0, 4, 8, 20, 24, 36, 44, 12, 68, 72, 80, 84, 28, 32, 88, 92}$ How many ... $1, 2, 3, 4$ $7$ and $1, 2, 4, 5$ $8$ and $1, 2, 4, 5$ $9$ and $1, 2, 3, 5$

commented in Operating System Jun 22, 2015

16.2k views

3 answers

25

UGC NET CSE | December 2012 | Part 2 | Question: 1
Consider the circuit shown below. IN a certain steady state, ‘Y’ is at logical ‘l’. What are the possible values of A, B, C? A=0, B=0, C=1 A=0, B=C=1 A=1, B=C=0 A= B=1, C=1

commented in Digital Logic Jun 21, 2015

3.1k views

11 answers

26

GATE CSE 2015 Set 2 | Question: 48
A half adder is implemented with XOR and AND gates. A full adder is implemented with two half adders and one OR gate. The propagation delay of an XOR gate is twice that of an AND/OR gate. The propagation delay of an AND/OR gate is ... adder is implemented by using four full adders. The total propagation time of this $4$-bit binary adder in microseconds is ______.

commented in Digital Logic Jun 21, 2015

36.1k views

2 answers

27

GATE IT 2006 | Question: 42
A cache line is $64$ bytes. The main memory has latency $32$ $ns$ and bandwidth $1$ $GBytes/s$. The time required to fetch the entire cache line from the main memory is: $32$ $ns$ $64$ $ns$ $96$ $ns$ $128$ $ns$

commented in CO and Architecture Jun 21, 2015

9.5k views

10 answers

28

GATE CSE 2007 | Question: 80
Consider a machine with a byte addressable main memory of $2^{16}$ bytes. Assume that a direct mapped data cache consisting of $32$ lines of $64$ bytes each is used in the system. A $50 \times 50$ two-dimensional array of bytes is stored in the main ... data cache do not change in between the two accesses. How many data misses will occur in total? $48$ $50$ $56$ $59$

commented in CO and Architecture Jun 21, 2015

24.2k views

3 answers

29

GATE IT 2007 | Question: 37
Consider a Direct Mapped Cache with 8 cache blocks (numbered $0-7$). If the memory block requests are in the following order $3, 5, 2, 8, 0, 63, 9,16, 20, 17, 25, 18, 30, 24, 2, 63, 5, 82,17, 24.$ Which of the following memory blocks will not be in the cache at the end of the sequence ? $3$ $18$ $20$ $30$

commented in CO and Architecture Jun 20, 2015

6.0k views

12 answers

30

GATE CSE 1997 | Question: 6.8
Each Process $P_i, i = 1\ldots 9$ is coded as follows repeat P(mutex) {Critical section} V(mutex) forever The code for $P_{10}$ is identical except it uses V(mutex) in place of P(mutex). What is the largest number of processes that can be inside the critical section at any moment? $1$ $2$ $3$ None

commented in Operating System Jun 20, 2015

18.7k views