Computer Fundamentals Mcqs

Page No. 32

Which of the following is not a part of disk address?


aSector size

✓


b Sector number

✖


cTrack number

✖


dSurface number

✖


View Answer Sector size

What does CHS stand for?


aCylinder-high-sector

✖


bConcentric-head-sector

✖


c Cylinder-head-sector

✓


dConcentric-high-sector

✖



The interval between the instant a computer makes a request for the transfer of data from a disk system to the primary storage and the instance this operation is completed is called _________


aDisk arrival time

✖


bDisk access time

✓


cDrive utilization time

✖


dDisk utilization time

✖


View Answer Disk access time

Disk access time does not depends on which of the following factors __________


a Seek time

✖


bLatency

✖


c Transfer rate

✖


dArrival rate

✓


View Answer Arrival rate

The time required to spin the desired sector under the read/write head, once the read/write head is positioned on the desired track.


a Seek time

✖


bArrival rate

✖


c Latency

✓


dTransfer rate

✖


View Answer Latency

A ____________ disk consists of a circular disk, which is coated with a thin metal or some other material that is highly reflective.


amagnetic

✖


b optical

✓


cCompactable Disk Read Only Memory

✖


dhard

✖


View Answer optical

Optical disks are proved to be a promising random access medium for high capacity secondary storage.


aTrue

✓


bFalse

✖


ceither A. or B.

✖


d None of these

✖


View Answer True

The technology used in optical disks is ______


aReflective

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bRefractive

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cLaser Beam

✓


dDiffraction

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View Answer Laser Beam

The storage capacity of an optical disk is given by:


aNumber of sectors * number of bytes per sector

✓


bNumber of sectors * 2(number of bytes per sector)

✖


cNumber of sectors * 3(number of bytes per sector)

✖


dNumber of sectors * 0.5(number of bytes per sector)

✖



Rotation of the disk must vary __________ with the radius of the disk.


adirectly

✖


binversely

✓


cconcurrently

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daccordingly

✖


View Answer inversely

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