State TWO functions of Inter Record Gap (IRG) in magnetic tapes
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Distinguish between READ and WRITE as used in storage media.
Outline TWO purposes /uses of optical disks
Describe four disk management tools
PETER USED A COMPACT DISK RECORDABLE TO SAVE HIS WORK. ½ OF THE DISK WAS USED TO STORE VIDEO FILES WHILE ¼ OF THE REMAINDER WAS TO SAVE AUDIO FILE. NOTE THAT CD-RECORDABLE IS 700MB. CALCULATE THE REMAINING SPACE IN BYTES.Video =0.5 x 700= 350 …………………… ½ mark
Audio = 0.125 x 700=87.5 ………………… ½ mark Total = 437.7 …………………… 1mark Remaining spaces (700-437.5) = 262.5MB ………… 1mark Give two reasons why optical disks are better storage media compared to floppy diskettes (2mks)
(a) List five precautions that can be taken to protect data stored in diskettes (5mks)Some of the storage disk available are: zip disks, 3 ½ inch floppy disks, DVDs and 5 ¼ inch floppy disks. Arrange these devices in ascending order of storage capacity.
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