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Recent activity by Manoj_Kumar
3
answers
1
GATE CSE 2017 Set 2 | Question: 17
An ER model of a database consists of entity types $A$ and $B$. These are connected by a relationship $R$ which does not have its own attribute. Under which one of the following conditions, can the relational table for R be merged with that of A? Relationship ... of $A$ in $R$ is total Relationship $R$ is many-to-one and the participation of $A$ in $R$ is partial
An ER model of a database consists of entity types $A$ and $B$. These are connected by a relationship $R$ which does not have its own attribute. Under which one of the fo...
22.4k
views
commented
Feb 23, 2017
Databases
gatecse-2017-set2
databases
er-diagram
normal
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–
2
answers
2
Test by Bikram | Databases | Test 1 | Question: 17
This is an Instance of Sailors Relation ... S2.rating ) SELECT S.sname FROM Sailors S WHERE S.rating >ALL ( SELECT S2.rating FROM Sailors S2 WHERE S2.age < 21 )
This is an Instance of Sailors Relation$$\overset{\text{Sailors Table}} { \begin{array}{|l|l|} \hline \text{S_ID} & \text{S_Name} & \text{Rating} & \text{Age} \\ \hline 1...
965
views
commented
Feb 2, 2017
Databases
tbb-dbms-1
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–
2
answers
3
madeeasy
Consider the effect of using slow start on a link with 5 millisec round trip time and no congestion. The receiver window is 36 KB and the maximum segment size = 2 KB. The time (in milliseconds) before the first full window can be sent is ________.
Consider the effect of using slow start on a link with 5 millisec round trip time and no congestion. The receiver window is 36 KB and the maximum segment size = 2 KB. The...
906
views
commented
Jan 31, 2017
1
answer
4
Test by Bikram | Mock GATE | Test 1 | Question: 55
Consider a disk with a sector size of $512$ bytes, $50$ sectors per track, $2000$ tracks per surface and five double-sided platters (i.e. $10$ surfaces). The disk platters rotate at $5400$ ... on this disk, and no record is allowed to span two blocks. Then, the rotational latency of the disk is ________ seconds.
Consider a disk with a sector size of $512$ bytes, $50$ sectors per track, $2000$ tracks per surface and five double-sided platters (i.e. $10$ surfaces). The disk platter...
1.6k
views
commented
Jan 31, 2017
GATE
tbb-mockgate-1
numerical-answers
disk
operating-system
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–
2
answers
5
64 word cache and Main memory is divided into 16 words block.
64 word cache and main memory is divided into 16 words block.The access time of cache is 10ns/word and for main memory is 50ns/word. The hit ratio for read operation is .8 and write operation is.9. Whenever there is ... to cache for read and write operation. 40% reference is for write operation. Avg access time if write through is used.
64 word cache and main memory is divided into 16 words block.The access time of cache is 10ns/word and for main memory is 50ns/word. The hit ratio for read operation is ....
6.9k
views
commented
Jan 31, 2017
CO and Architecture
co-and-architecture
cache-memory
write-through
effective-memory-access
numerical-answers
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–
1
answer
6
AVL trees
750
views
commented
Jan 29, 2017
Programming in C
avl-tree
data-structures
time-complexity
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–
2
answers
7
please explain
679
views
commented
Jan 26, 2017
CO and Architecture
dma
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–
2
answers
8
UGC NET CSE | August 2016 | Part 3 | Question: 30
The plain text message $BAHI$ encrypted with $RSA$ algorithm using $e = 3, d = 7$ and $n = 33$ and the characters of the message are encoded using the values $00$ to $25$ for letters A to Z. Suppose character by character encryption was implemented. Then, the Cipher Text message is _____. ABHI HAQC IHBA BHQC
The plain text message $BAHI$ encrypted with $RSA$ algorithm using $e = 3, d = 7$ and $n = 33$ and the characters of the message are encoded using the values $00$ to $25$...
4.8k
views
commented
Jan 20, 2017
Computer Networks
ugcnetcse-aug2016-paper3
cryptography
computer-networks
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–
12
answers
9
GATE CSE 2006 | Question: 44
Station $A$ uses $32\; \text{byte}$ packets to transmit messages to Station $B$ using a sliding window protocol. The round trip delay between A and $B$ is $80\; \text{milliseconds}$ and the bottleneck bandwidth on the path between $A$ and $B$ is $128\; \text{kbps}$ . What is the optimal window size that $A$ should use? $20$ $40$ $160$ $320$
Station $A$ uses $32\; \text{byte}$ packets to transmit messages to Station $B$ using a sliding window protocol. The round trip delay between A and $B$ is $80\; \text{mil...
27.0k
views
commented
Jan 17, 2017
Computer Networks
gatecse-2006
computer-networks
sliding-window
normal
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–
2
answers
10
Test by Bikram | Data Structures | Test 2 | Question: 9
Suppose you have a hash table that can hold $100$ elements. It currently stores $30$ elements (in one of $30$ possible different locations in the hash table). The probability that your next two inserts will cause at least one collision is ( by assuming a totally random hash function) __________
Suppose you have a hash table that can hold $100$ elements. It currently stores $30$ elements (in one of $30$ possible different locations in the hash table). The probab...
1.5k
views
commented
Jan 17, 2017
Programming in C
tbb-ds-2
numerical-answers
+
–
1
answer
11
Expression Tree
If we have to construct the expression tree from this expression (3 + ((5+9)*2)) then what will be the order of push and pop operation on a stack ?Explain what to do with each operator and operand along the way of push and pop operation
If we have to construct the expression tree from this expression (3 + ((5+9)*2)) then what will be the order of push and pop operation on a stack ?Explain what to do with...
1.8k
views
commented
Jan 14, 2017
DS
data-structures
expression-evaluation
stack
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1
answer
12
logic functions
Given $x,y,z$ are Boolean variables and $f(x,y,z)=f(y',x',z)$. How many such functions are possible with $x, y, z$? $0$ $2^2$ $2^4$ $2^6$
Given $x,y,z$ are Boolean variables and $f(x,y,z)=f(y',x',z)$. How many such functions are possible with $x, y, z$?$0$$2^2$$2^4$$2^6$
551
views
commented
Jan 10, 2017
Set Theory & Algebra
digital-logic
functions
combinatory
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–
1
answer
13
GATE Overflow | Algorithms | Test 1 | Question: 26
Maximum element in a min-heap represented by an array, can be computed in _____ time $O(n)$ $O(\log n)$ $O(n \log n)$ but not $O(n)$ $O(1)$
Maximum element in a min-heap represented by an array, can be computed in _____ time$O(n)$$O(\log n)$$O(n \log n)$ but not $O(n)$$O(1)$
530
views
commented
Jan 9, 2017
Algorithms
go-alogrithms-1
binary-heap
algorithms
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–
6
answers
14
GATE CSE 2010 | Question: 45
The following program consists of $3$ concurrent processes and $3$ binary semaphores. The semaphores are initialized as $S0=1, S1=0$ and $S2=0.$ ... $P0$ print '$0$'? At least twice Exactly twice Exactly thrice Exactly once
The following program consists of $3$ concurrent processes and $3$ binary semaphores. The semaphores are initialized as $S0=1, S1=0$ and $S2=0.$$$\begin{array}{|l|l|}\hli...
26.3k
views
commented
Jan 8, 2017
Operating System
gatecse-2010
operating-system
process-synchronization
normal
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–
1
answer
15
doubt
#plz explain??
#plz explain??
765
views
commented
Jan 6, 2017
Computer Networks
computer-networks
+
–
2
answers
16
doubt
#plz explain??
#plz explain??
372
views
answered
Jan 6, 2017
13
answers
17
GATE CSE 2013 | Question: 9
What is the maximum number of reduce moves that can be taken by a bottom-up parser for a grammar with no epsilon and unit-production (i.e., of type $A \rightarrow \epsilon$ and $A \rightarrow a$) to parse a string with $n$ tokens? $n/2$ $n-1$ $2n-1$ $2^{n}$
What is the maximum number of reduce moves that can be taken by a bottom-up parser for a grammar with no epsilon and unit-production (i.e., of type $A \rightarrow \epsilo...
35.3k
views
commented
Jan 6, 2017
Compiler Design
gatecse-2013
compiler-design
parsing
normal
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–
4
answers
18
GATE CSE 2006 | Question: 59
Consider the following translation scheme. $ S\rightarrow ER$ $ R\rightarrow *E\left \{ \text{print}(\text{ }*\text{'}); \right \} R\mid \varepsilon $ $ E\rightarrow F+E\left \{ \text{print}(\text{ }+\text{'}); \right \}\mid F $ ... $2 * 3 + 4$ $2 * +3 \ 4$ $2 \ 3 * 4 +$ $2 \ 3 \ 4+*$
Consider the following translation scheme. $ S\rightarrow ER$$ R\rightarrow *E\left \{ \text{print}(\text{‘}*\text{’}); \right \} R\mid \varepsilon $$ E\rightarrow F+...
11.1k
views
commented
Jan 5, 2017
Compiler Design
gatecse-2006
compiler-design
grammar
normal
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–
2
answers
19
Test by Bikram | Computer Networks | Test 1 | Question: 26
Consider a sliding window protocol that uses Selective Repeat, the sender sliding window size is $32$. The sequence number of the frame to be sent after sending $200$ frames ___________
Consider a sliding window protocol that uses Selective Repeat, the sender sliding window size is $32$. The sequence number of the frame to be sent after sending $200$ fra...
913
views
commented
Jan 4, 2017
Computer Networks
tbb-cn-1
numerical-answers
+
–
6
answers
20
GATE CSE 2008 | Question: 72
Consider a machine with a $2$-way set associative data cache of size $64$ Kbytes and block size $16$ bytes. The cache is managed using $32$ bit virtual addresses and the page size is $4$ Kbytes. A program to be run on this machine begins as follows: double ARR[1024][1024]; int i, j; ... $\text{ARR[0][4]}$ $\text{ARR[4][0]}$ $\text{ARR[0][5]}$ $\text{ARR[5][0]}$
Consider a machine with a $2$-way set associative data cache of size $64$ Kbytes and block size $16$ bytes. The cache is managed using $32$ bit virtual addresses and the ...
15.7k
views
commented
Jan 3, 2017
CO and Architecture
gatecse-2008
co-and-architecture
cache-memory
normal
+
–
2
answers
21
GATE Overflow | Algorithms | Test 1 | Question: 1
For the following program fragment, the running time is given by Procedure A(n) { if(n <= 2) return 1; else return A(log (n)); } $\Theta(\log \log n)$ $\Theta(\log \sqrt n)$ $\Theta(\log^* n)$ $\Theta(\sqrt n)$
For the following program fragment, the running time is given byProcedure A(n) { if(n <= 2) return 1; else return A(log (n)); }$\Theta(\log \log n)$$\Theta(\log \sqrt n)$...
1.2k
views
commented
Nov 10, 2016
Algorithms
go-alogrithms-1
algorithms
time-complexity
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–
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