Question: c ) Why is the average seek time for a hard disk much shorter than for a CD-ROM or DVD-ROM? e) A 1920-pixel by 1080-pixel

c ) Why is the average seek time for a hard disk much shorter than for a CD-ROM or DVD-ROM?

e) A 1920-pixel by 1080-pixel display is generated on 14-inch (diagonal) monitor.

i. What is its aspect ratio?

ii. How many dots per inch are displayed on this monitor?

iii.What is the size of an individual pixel? Would a 0.26mm pixel resolution monitor be sufficient for this display?

f) What is RAID technology? Name any two advantages of using RAID.

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