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User Habibkhan
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Questions by Habibkhan
1
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0
answers
1
Doubt on decidability
I have a doubt regarding the dilemma of semidecidable and undecidable.. We have 8 standard properties and considering each class of language: a) Membership b) Finiteness c) Emptiness d) Ambiguity e) Regularity f) Equivalence g) Kleene's Closureness h ... particular operation?? @Arjun sir,plz help me resolving this doubt..It would be helpful of other aspirants as well..
asked
in
Theory of Computation
Nov 19, 2016
440
views
theory-of-computation
decidability
1
vote
1
answer
2
Doubt in LFU Page Replacement
Q : One doubt that I feel while solving the LFU page replacement is that is it like we consider the number of times each page has been referenced till the current page reference in the reference string and then we replace that page ... or counter of each type of page references till the current page reference in the reference string?Plz someone resolve this doubt.
asked
in
Operating System
Oct 31, 2016
411
views
operating-system
page-replacement
1
vote
1
answer
3
Self Doubt in Disk Scheduling
I am presenting here 2 doubts in the form of questions.Plz give proper explanation to these : Q1 : Out of the available disk scheduling algorithms , which can be considered as the best and most practical? Q2 : In CSCAN or CLOOK , we consider ... for those requests which are on the opposite side w.r.t. initial direction of head movement and hence not yet serviced ?
asked
in
Operating System
Oct 31, 2016
962
views
operating-system
disk-scheduling
1
vote
0
answers
4
Digital logic doubt
Q: One general doubt I m having is that can combinational circuit namely multiplexer, demultiplexer and decoder be implemented in POS ( Product of Sum) form?? If so what modification is required ?
asked
in
Digital Logic
Oct 27, 2016
433
views
digital-logic
combinational-circuit
pos
2
votes
2
answers
5
Self Doubt
Q : In variable allocation without compaction strategy of memory allocation , can we allocate the memory space to a process arbitrarily anywhere within the free space..I have a doubt on this since the allocation should comply with the standard methods like best ... I m facing this doubt on the question having link : https://gateoverflow.in/2747/gate1996_2-18 Plz explain someone..
asked
in
Operating System
Oct 25, 2016
1.1k
views
operating-system
variable-partition
memory-management
0
votes
1
answer
6
Self Doubt
Can someone make me clear whether segmentation method of memory allocation is free from internal and external fragmentation.? Also plz give valid explanation in support of your answer.
asked
in
Operating System
Oct 25, 2016
651
views
segmentation
operating-system
memory-management
6
votes
1
answer
7
Basic doubt in B+ Tree Indexing
Q : One basic doubt that is coming to my mind is whether number of splits in the process of insertion in B+ Tree indexing going to change if we consider left biasing and right biasing approach.Plz present any example to show if possible..
asked
in
Databases
Oct 19, 2016
1.1k
views
databases
b-tree
indexing
5
votes
1
answer
8
Doubt regarding Deadlock
Q 1) The query which is coming in my mind is which of the below techniques requires apriori information regarding the potential use , request of resources ? a) Deadlock prevention b) Deadlock avoidance c) Deadlock detection Q 2) Also what is ... resources ? Q 3) Is deadlock detection technique meant for before the deadlock has occured or after the deadlock has occured ?
asked
in
Operating System
Oct 18, 2016
1.1k
views
deadlock-prevention-avoidance-detection
3
votes
2
answers
9
Self Doubt
Q : Each process Pi , i = 1 to 9 executes the following code : while (TRUE) { P(mutex); Critical section ; V(mutex); } The process P10 executes the following code : while(TRUE) { V(mutex); critical section ; P(mutex); } Initial value of binary semaphore "mutex" = ... at any instant of time? a) 2 b) 3 c) 9 d) 10 e) 1 Plz explain in details which one is true out of these options.
asked
in
Operating System
Oct 16, 2016
2.9k
views
operating-system
process-synchronization
binary-semaphore
0
votes
2
answers
10
Doubt in some basic things synchronisation
I have some fundamental doubts regarding the conditions which need to be followed for a correct synchronisation solution i.e. about mutual exclusion , progress and bounded wait. I m asking these. Plz address to these doubts but give a ... for the fact whether the bounded wait condition is satisfied or not? Also plz support your answer with proper reason..
asked
in
Operating System
Oct 14, 2016
1.3k
views
operating-system
process-synchronization
4
votes
1
answer
11
Virtual Gate Test Series: Calculus - Integration
Let $\frac{d}{dx} [f(x)] = \frac{e^{sinx}}{x} , x > 0 .$ If $\int_{1}^{4}(\frac{2e^{sinx^{2}}}{x}) dx = f(k) - f(1)$ where limits of integration is from $1$ to $4$ , then $k =?$
asked
in
Calculus
Oct 4, 2016
557
views
engineering-mathematics
calculus
virtual-gate-test-series
2
votes
1
answer
12
MadeEasy Workbook: Probability - Conditional Probability
Q : Two computers A and B are to be sold . A salesman who is assigned the job of selling these has the chances of 60 percent and 40 percent respectively to get success.The two computers may be sold independently.Given that at least ... probability that computer A has been sold is ..........(Round off your answer correct to 2 decimal places).
asked
in
Probability
Oct 4, 2016
3.3k
views
made-easy-test-series
probability
conditional-probability
4
votes
2
answers
13
MadeEasy Workbook: Probability
Q : There are two identical locks with two identical keys and the key are among the six different ones which a person carries in his pocket.In hurry he drops one key somewhere . Then the probability that the locks can still be opened by drawing one key at random is equal to : a) 1/3 b) 5/6 c) 1/12 d) 1/30
asked
in
Probability
Oct 4, 2016
5.3k
views
made-easy-test-series
probability
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