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Recent activity by santhoshdevulapally
1
answer
1
OS, GATE2018
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in
Operating System
Dec 4, 2017
947
views
operating-system
paging
0
answers
2
Bits in logical address
In a two-level paging environment, a page table is divided into $2^{12}$ pages each of size 4KW. The memory is word addressable, The physical address space is 128 MW. Memory is divided into $2^{14}$ frames. Length of the logical address is (in bits) _______________.
commented
in
Operating System
Nov 16, 2017
837
views
paging
testbook-test-series
0
answers
3
lim x→0 [3cosx + 2sin3x] ^ 1/x
comment edited
in
Calculus
Nov 16, 2017
1.0k
views
1
answer
4
Regular Expression
Hi Mates, Is it true or false..? The regular expression for the language L={vuv|v,u∈{a,b}*,|v|≤3 } is L=(a+b)*..? Please answere with explanation. Thanks
commented
in
Theory of Computation
Nov 15, 2017
739
views
1
answer
5
Pointers
Answer given is D "gh" . how??
answer selected
in
Programming in C
Nov 15, 2017
471
views
3
answers
6
Scheduling
Consider the processes P1, P2, P3, P4 whose arrival times are 0, 1, 2, 3 and Burst times are 5, 2, 13, 7. If the Context Switching time is 1 unit (ms), what is the average waiting time if Shortest Job Next scheduling algorithm is used? (a) 7.5 (b) 6.25 (c) 6.5 (d) None (The Doubt i am facing here is , would we be covering the context switching time in the starting ?)
commented
in
Operating System
Nov 15, 2017
5.8k
views
process-scheduling
1
answer
7
#effective memory access time
commented
in
Operating System
Nov 12, 2017
878
views
0
answers
8
CN BY KUROSE AND ROSE
Statistical multiplexing in which an example is provided with a 1Mbps link.Users are generating data at a rate of 100kbps when busy,but are busy generating data only with probability p=0.1. a)Now consider packet switching and a user population of M users.Give a formula (in terms ... with (1-p) probability. =p*M+(N-M)*(1-p) This is my approach ,please correct me if i did wrong.
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in
Computer Networks
Nov 12, 2017
478
views
0
answers
9
Hashing - Linear Probing
commented
in
Algorithms
Nov 10, 2017
990
views
hashing
2
answers
10
ISRO 2017-ECE Number system
The Gray code for ($A5$) $16$ is equivalent to $10010101$ $11010101$ $11011111$ $11011011$
commented
in
Digital Logic
Nov 9, 2017
1.7k
views
isro2017-ece
digital-logic
number-system
gray-code
2
answers
11
UGC NET CSE | November 2017 | Part 2 | Question: 11
$\text{prtdata}$ is a pointer to a data type. The expression $^*\text{prtdata}++$ is evaluated as (in C++) $^*(\text{prtdata++})$ $(^*\text{prtdata})++$ $^*(\text{prtdata})++$ Depends on compiler
commented
in
Unknown Category
Nov 9, 2017
771
views
ugcnetcse-nov2017-paper2
1
answer
12
UGC NET CSE | November 2017 | Part 2 | Question: 38
Suppose there are six files $F1, F2, F3, F4, F5, F6$ with corresponding sizes $150$ KB, $225$ KB, $75$ KB $60$ KB, $275$ KB and $65$ KB respectively. The files are to be stored on a sequential device in such a way that optimizes access time. In what order should ... $F4, F6, F3, F1, F2, F5$ $F1, F2, F3, F4, F5, F6$ $F6, F5, F4, F3, F2, F1$
commented
in
Unknown Category
Nov 9, 2017
856
views
ugcnetcse-nov2017-paper2
0
answers
13
Transmission time
My approach is : I calculated utilization first which is the time when link is active by total time U = transmission/ total time Transmission = 1.048msec Since no ack sort of policy is used so total time = transmission + propagation U = 1.048/51.048 = 0.0205 Throughout = 0.0205 × 1GBps = nearly 161Mbps What's wrong answer is B by the way
commented
in
Computer Networks
Nov 9, 2017
563
views
computer-networks
5
answers
14
UGC NET CSE | November 2017 | Part 3 | Question: 12
Consider a schema $R(A, B, C, D)$ and following functional dependencies. $A \rightarrow B$ $B \rightarrow C$ $C \rightarrow D$ $D \rightarrow B$ Then decomposition of $R$ ... preserving and lossless join Lossless join but dependency preserving Dependency preserving but not lossless join Not dependency preserving and not lossless join
commented
in
Databases
Nov 9, 2017
3.4k
views
ugcnetcse-nov2017-paper3
databases
relational-schema
rdbms
1
answer
15
ISRO 2017-ECE Minterms
Simplify the below function represented in sum of minterms
answered
in
Digital Logic
Nov 9, 2017
535
views
isro2017-ece
1
answer
16
Cormen Exercise
Why do we want the loop index i in Line 2 of BUILD_MAX_HEAP to decrease from ceil(A.length/2) to 1 rather than increase from 1 to ceil(A.length/2) ?
commented
in
DS
Nov 9, 2017
448
views
data-structures
binary-heap
cormen
descriptive
1
answer
17
[Discrete Maths] : Functions
answer selected
in
Set Theory & Algebra
Nov 9, 2017
779
views
discrete-mathematics
1
answer
18
#deadlock
commented
in
Operating System
Nov 9, 2017
415
views
2
answers
19
MadeEasy Subject Test: Algorithms - Time Complexity
Consider an array contain n distinct elements. In array till ‘i’ location element are in increasing order and after ‘i’ location all elements are in decreasing order. What is the time complexity to find location of ith element?
answered
in
Algorithms
Nov 9, 2017
1.1k
views
made-easy-test-series
algorithms
time-complexity
1
answer
20
hashing
answer selected
in
DS
Nov 8, 2017
381
views
2
answers
21
block access
answer selected
in
Databases
Nov 7, 2017
338
views
1
answer
22
STACK OPERATIONS
answer selected
in
DS
Nov 7, 2017
473
views
stack
data-structures
1
answer
23
PROBABILITY
answer selected
in
Probability
Nov 7, 2017
246
views
probability
engineering-mathematics
1
answer
24
Huffman Encoding
answer selected
in
Algorithms
Nov 6, 2017
2.4k
views
huffman-code
algorithms
test-series
0
answers
25
Group Question
If a, b are elements of a group G, then (ba)-1 =
commented
in
Discrete Mathematics
Nov 6, 2017
314
views
group-theory
0
answers
26
process scheduling
answer given is 3 but i gave 2 ignoring pre context switching .here pre context switching is consider. i want to know how to decide we should consider pre context switching as nothing is mentioned in question and by default we dont consider pre context switching.
comment moved
in
Operating System
Nov 6, 2017
498
views
1
answer
27
Testbook 4 Qno 20
#plz check i got 7 ??? but answer is given 2
answer selected
in
Computer Networks
Nov 4, 2017
290
views
test-series
8
answers
28
GATE IT 2005 | Question: 42
Two concurrent processes $P1$ and $P2$ use four shared resources $R1, R2, R3$ and $R4$ ... binary semaphores are used to enforce the above scheduling constraints, what is the minimum number of binary semaphores needed? $1$ $2$ $3$ $4$
answered
in
Operating System
Nov 4, 2017
12.3k
views
gateit-2005
operating-system
process-synchronization
normal
0
answers
29
tower of hanoi DOUBT
in tower ,smallest disk req, 2n-1 moves right ?
commented
in
DS
Nov 2, 2017
205
views
1
answer
30
working set
How working set algorithm is related to principle of locality?
answered
in
Operating System
Nov 2, 2017
5.5k
views
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