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Recent questions tagged io-organization
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answer
1
#COA #Disk
Consider a disk which has 64 tracks , in every track there are 1024 sectors , each sector has 2048 B . The disk is moving with 3000 RPM . Let the avg seek time is 10 ms and it is required to read a file of 64KB which was placed in outer track ... sector onwards . The current position of read/write head is 16th sector of inner track. What is the time taken to complete disk read operation?
Manisha Jaishwal
asked
in
CO and Architecture
May 22, 2022
by
Manisha Jaishwal
774
views
co-and-architecture
io-organization
disk
0
votes
1
answer
2
ACE Test-4(GCO-2)
Correct Statements ??? S1 : Generally I/O mapped I/O technique is used to connect more number of I/O devices then memory mapped I/O technique. S2 : Processor generates memory read (MRD) and memory write (MWR) control signals while communication with I/ ... I/O, the valuable memory space address is wasted due to the utilization of this memory space address to the I/O devices.
arya_stark
asked
in
CO and Architecture
Jan 15, 2019
by
arya_stark
710
views
co-and-architecture
io-organization
io-handling
0
votes
1
answer
3
IO Interfacing Doubt
Which is the best interfacing of IO with the CPU?Please give answer while keeping the following parameters in mind:- 1)Accuracy 2)Speed 3)Time Consumption
Devshree Dubey
asked
in
CO and Architecture
Oct 9, 2018
by
Devshree Dubey
202
views
co-and-architecture
io-organization
0
votes
1
answer
4
general query
Can anyone suggest me best resource for IO organization, DMA and hard disk structure in CO. I am getting difficulty in these topics.
mb14
asked
in
CO and Architecture
Sep 19, 2018
by
mb14
189
views
co-and-architecture
io-organization
dma
disk
0
votes
0
answers
5
self doubt
Which addressing mode is best suited for runtime relocation. Which addressing mode is best suited for compile time relocation.
iamdeepakji
asked
in
CO and Architecture
Aug 4, 2018
by
iamdeepakji
227
views
computer
io-organization
1
vote
0
answers
6
Self knowlaged
Can we say any thing to computer if they haven't storage unit? Or First computer like abacas have storage unit ? What is current definition of computer:: My answer is : a system that have these 5 property is a computer::: 1.Electronic device ... Storage A person said this is wrong definition.. Then what is the current definition? And he said old computer hasn't storage unit
Harikesh Kumar
asked
in
CO and Architecture
Jan 18, 2018
by
Harikesh Kumar
209
views
operating-system
computer
io-organization
0
votes
0
answers
7
test book test series 2018
A virtual memory has a page size 1k words.there are 8 pages and 4 frames.associative memory page table contain following entries : page frame 6 0 1 1 4 2 0 3 which of following virtual address(decimal) will cause page fault? a)4098 b)5124 c)1022 d)6144
rohit vishkarma
asked
in
CO and Architecture
Nov 17, 2017
by
rohit vishkarma
332
views
virtual-memory-
computer
io-organization
0
votes
0
answers
8
Peripheral devices : CAO
Consider READ and WRITE bits: a) Both are written by CPU b) Both are written by peripheral c) READ bit is written by peripheral while WRITE bit is written by CPU d) WRITE bit is written by peripheral while READ bit is written by CPU
sh!va
asked
in
CO and Architecture
Apr 26, 2017
by
sh!va
833
views
io-organization
co-and-architecture
6
votes
1
answer
9
Madeeasy
Suppose DMA is employed in two modes 1)Cycle Steaking Mode 2)Burst Mode Transfer of bus control from CPU to I/O or I/O to CPU takes 300ns. Assume the system in which bus cycle takes 700ns and one of the I/O device has a data transfer rate of 50KB/sec and employs DMA ... 1) & (2) (1)Cycle Stealing Mode Options a.100us b.110us c.120us d.130us (2)Burst Mode Options a.1msec b.2msec c.3msec
gshivam63
asked
in
CO and Architecture
Jun 29, 2016
by
gshivam63
3.7k
views
co-and-architecture
dma
io-organization
3
votes
2
answers
10
GATE2005
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 to memory ... DMA cycle. Memory cycle time is 40 nsec. The maximum percentage of time that the CPU gets blocked during DMA operation is____________
pC
asked
in
CO and Architecture
Dec 30, 2015
by
pC
1.6k
views
co-and-architecture
io-organization
dma
0
votes
0
answers
11
Method of connecting IO devices to CPU
please explain me the concepts behind Memory Mapped IO IO Mapped IO What do they really mean ?
pC
asked
in
CO and Architecture
Dec 30, 2015
by
pC
240
views
io-organization
0
votes
1
answer
12
Arrange according to priority order
" CPU Gives High Priority For Faster Devices " Arrange the following operations according to validation of above statement . Hard Disk DVD Disk Keyboard Printer CPU Temperature Sensors
pC
asked
in
CO and Architecture
Dec 30, 2015
by
pC
523
views
priority
io-organization
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