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1
GATE CSE 2005 | Question: 70
Consider a disk drive with the following specifications: $16$ surfaces, $512$ tracks/surface, $512$ sectors/track, $1$ KB/sector, rotation speed $3000$ rpm. The disk is operated in cycle stealing mode whereby whenever one $4$ byte word is ready it is sent ... $40$ nsec. The maximum percentage of time that the CPU gets blocked during DMA operation is: $10$ $25$ $40$ $50$
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CO and Architecture
Feb 2, 2022
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views
gatecse-2005
co-and-architecture
disk
normal
dma
3
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2
GATE CSE 2014 Set 2 | Question: 31
Consider the procedure below for the Producer-Consumer problem which uses semaphores: semaphore n = 0; semaphore s = 1; void producer() { while(true) { produce(); semWait(s); addToBuffer(); semSignal(s); semSignal(n); } } void consumer() { while( ... the buffer is empty. The starting value for the semaphore $n$ must be $1$ and not $0$ for deadlock-free operation.
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in
Operating System
Jan 20, 2021
13.7k
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gatecse-2014-set2
operating-system
process-synchronization
normal
4
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3
GATE IT 2005 | Question: 21
Consider the entities 'hotel room', and 'person' with a many to many relationship 'lodging' as shown below: If we wish to store information about the rent payment to be made by person (s) occupying different hotel rooms, then this information should appear as an attribute of Person Hotel Room Lodging None of these
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Databases
Aug 14, 2020
10.5k
views
gateit-2005
databases
er-diagram
easy
1
answer
4
Rosen-Pigeonhole Principle
How many cards must be chosen from a standard deck of 52 cards to guarantee that there are at least two cards of each of two different kinds? what this question means?
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in
Combinatory
Nov 24, 2019
1.0k
views
pigeonhole-principle
combinatory
counting
discrete-mathematics
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