Study Guide Q's Flashcards
Which of the following describes rotational delay?
A) Time to move the read/write head to the correct track
B) Time for the desired sector to rotate under the read/write head
C) Time to transfer data to the computer once it is under the read/write head
D) Time to spin up the disk to its operational speed
B) Time for the desired sector to rotate under the read/write head
Which of the following describes seek time?
A) Time for the desired sector to rotate under the read/write head
B) Time to move the read/write head to the correct track
C) Time to transfer data once the head is in position
D) Time to access data on a solid-state drive
B) Time to move the read/write head to the correct track
You have memory blocks of sizes: 100 KB, 500 KB, 200 KB, 300 KB, and 600 KB (in that order). A process requests 250 KB of memory.
Which block would Best Fit choose?
300 KB
You have memory blocks of sizes: 100 KB, 500 KB, 200 KB, 300 KB, and 600 KB (in that order). A process requests 250 KB of memory.
Which block would Worst Fit choose?
600 KB
You have memory blocks of sizes: 100 KB, 500 KB, 200 KB, 300 KB, and 600 KB (in that order). A process requests 250 KB of memory.
Which block would First Fit choose?
500 KB
You have memory blocks of sizes: 100 KB, 500 KB, 200 KB, 300 KB, and 600 KB (in that order). A process requests 250 KB of memory.
Which block would Next Fit choose? (Assume the last allocation was made in the 300 KB block)
