1
GATE CSE 1995
Subjective
+2
-0
If the disk in (a) is rotating at $$3600$$ rpm, determine the effective data transfer rate which is defined as the number of bytes transferred per second between disk and memory.
2
GATE CSE 1995
Subjective
+5
-0
If the overhead for formatting a disk is $$96$$ bytes for $$40000$$ bytes sector, Compute the unformatted capacity of the disk of the following parameters:
Number of surface: $$8$$
Outer diameter of the disk : $$12cm$$
Inner diameter of the disk: $$4cm$$
Inter track space: $$0.1mm$$
Number of sectors per track: $$20$$
3
GATE CSE 1995
Subjective
+5
-0
The head of a moving head disk with $$100$$ tracks numbered $$0$$ to $$99$$ is currently serving a request at tract $$55.$$ If the queue of requests kept in $$FIFO$$ order is $$10, 70, 75, 23, 65$$ Which of the two disk scheduling algorithms $$FCFS$$ (First Come First Served) and $$SSTF$$ (Shortest Seek Time First) will require less head movement? Find the head movement for each of the algorithms.
4
GATE CSE 1995
MCQ (Single Correct Answer)
+1
-0.3
What are x and y in the following macro definition?

Mul x
Store y
end macro
A
Variables
B
Identifiers
C
Actual parameters
D
Formal parameters
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