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Question No 1
Marks: 5
Consider a floppy drive having a transfer rate of 48 KB per second is attached to a 32 bit, 10MIPS CPU using an interrupt driven interface. The drive has 16-bit data bus.
Suppose that the interrupt overhead is 10 instructions. Calculate the fraction of CPU time required to service this drive when it is active. Question No 2
Marks: 5
A hard disk with 10 platters has 512 tracks per platter, 512 sectors per track and 512 bytes/sector. What is the total capacity of the disk? Question No 3
Marks: 5
How many platters are required for an 80GB disk if there are 2048 bytes/sector, 2048 sectors per track and 2048 tracks per platter?