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Questions by _jerry
0
votes
0
answers
1
MadeEasy Test Series: Computer Networks - Lan Technologies
The minimum frame length (in bytes) of the cable of length 240 meter for transmitting data at a rate of 500 Kbps in IEEE 802.3 LAN is __________. (Assume the signal speed in the cable to be, 2,00,000 m/s)
The minimum frame length (in bytes) of the cable of length 240 meter for transmitting data at a rate of 500 Kbps in IEEE 802.3 LAN is __________. (Assume the signal speed...
698
views
asked
Feb 1, 2018
Computer Networks
made-easy-test-series
computer-networks
lan-technologies
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–
2
votes
1
answer
2
Doubt Threads Scheduling
How are user level threads scheduled?
How are user level threads scheduled?
654
views
asked
Jan 26, 2018
Operating System
operating-system
threads
process-scheduling
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–
8
votes
3
answers
3
Self Doubt Context Switching Threads
S1: Context Switching occurs only in kernel mode. :TRUE S2: Context Switching in user mode is faster as compared to context switching in kernel mode. : TRUE If Context Switching occurs only in kernel mode, then how is CS in user mode faster ... switching and then change back to user mode which means more time should be taken as compared to CS in kernel mode.
S1: Context Switching occurs only in kernel mode. :TRUES2: Context Switching in user mode is faster as compared to context switching in kernel mode. : TRUEIf Context Swit...
3.0k
views
asked
Jan 26, 2018
Operating System
operating-system
context-switch
threads
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–
3
votes
1
answer
4
Kenneth Rosen Edition 6th Exercise 7.6 Example 21 (Page No. 519 )
How is this a lattice?
How is this a lattice?
909
views
asked
Jan 25, 2018
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
lattice
partial-order
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–
1
votes
1
answer
5
Self Doubt about Dirty Read and Recoverable
I can't exactly identify when a transaction has dirty read problem and when it doesn't. Take the following instances 1. S:T2r(x);T3r(x);T3 commit;T2 commit This is not dirty read as there is no write operation performed by ... this is recoverable. This is what I think regarding the above schedules. Is this right or is it only "JUGAAD"?
I can't exactly identify when a transaction has dirty read problem and when it doesn't. Take the following instances1. S:T2r(x);T3r(x);T3 commit;T2 commitThis is not dirt...
1.3k
views
asked
Jan 24, 2018
Databases
databases
transaction-and-concurrency
recoverable
dirty
read
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