1
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: $$20$$
2
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.
3
GATE CSE 1995
MCQ (Single Correct Answer)
+1
-0.3
What are x and y in the following macro definition?

macro Add x,y
Load y
Mul x
Store y
end macro
A
Variables
B
Identifiers
C
Actual parameters
D
Formal parameters
4
GATE CSE 1995
MCQ (Single Correct Answer)
+2
-0.6
What is the value of X printed by the following program?
program COMPUTE (input, output);
var
    X:integer;
procedure FIND (X:real);
    begin
    X:=sqrt(X);
    end;
begin
   X:=2
   Find(X)
   Writeln(X)
end
A
2
B
$$\sqrt 2 $$
C
Runtime error
D
None of the above
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