Disk Scheduling

Question

The time to access the first word of a specific sector of a hard disk depends on rotational speed of the disk, the average seek time and the no. of sector per track.if we want not just the first word but the entire sector(assume a sector holds about 100 words).How much longer will it take?

a)100 times longer

b)10 times longer

c)same amount of time

d)50 times longer

//Is the answer a) OR c)..

Comments

same time..

Answer 1

same amount of time....since to locate the sector is the only time which should be consider in this prob

Comments

Why not option A.. ??
earlier we were just accesing only first byte of a sector and now we have to access whole sectoe , that is 100 bytes .. so time access should be 100 times na ..??

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To read the data disk must rotate,when platter of disk will rotate then to reach a particular/desired sector it will take:

seek time(time to reach the track) + rotational delay(time spent for read/write head to come under the sector)

which is same to access the one word or whole sector

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YES U R RT

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which is same to access the one word or whole sector.

@cse23 @asu,  can you please explain it more ... how does both take same time ...

As it is mentioned in the question --

assume a sector holds about 100 words.

 ???