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Recent questions tagged io-organization

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#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 ... is 16th sector of inner track. What is the time taken to complete disk read operation?
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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 ... wasted due to the utilization of this memory space address to the I/O devices.
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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
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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.
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self doubt
Which addressing mode is best suited for runtime relocation.Which addressing mode is best suited for compile time relocation.
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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 ... Then what is the current definition?And he said old computer hasn't storage unit
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test book test series 2018
A virtual memory has a page size 1k words.there are 8 pages and 4 frames.associative memory page tablecontain following entries :page ... of following virtual address(decimal) will cause page fault?a)4098b)5124c)1022d)6144
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Peripheral devices : CAO
Consider READ and WRITE bits:a) Both are written by CPUb) Both are written by peripheralc) READ bit is written by peripheral while WRITE bit is written by CPUd) WRITE bit is written by peripheral while READ bit is written by CPU
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Madeeasy
Suppose DMA is employed in two modes1)Cycle Steaking Mode2)Burst ModeTransfer of bus control from CPU to I/O or I/O to CPU takes 300ns. Assume the system in which ... b.110us c.120us d.130us(2)Burst Mode Options a.1msec b.2msec c.3msec
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GATE2005
Consider a disk drive with the following specifications:16 surfaces, 512 tracks/surface, 512 sectors/track, 1 KB/sector, rotation speed 3000 rpm. ... maximum percentage of time that the CPU gets blocked during DMA operation is____________
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Method of connecting IO devices to CPU
please explain me the concepts behindMemory Mapped IOIO Mapped IOWhat do they really mean ?
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Arrange according to priority order
" CPU Gives High Priority For Faster Devices "Arrange the following operations according to validation of above statement .Hard DiskDVD DiskKeyboardPrinterCPU Temperature Sensors
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