1
GATE CSE 2016 Set 1
Numerical
+2
-0
Consider a computer system with $$40$$-bit virtual addressing and page size of sixteen kilobytes. If the computer system has a one-level page table per process and each page table entry requires $$48$$ bits, then the size of the per-process page table ____________ is megabytes.
2
GATE CSE 2016 Set 1
Numerical
+2
-0
Consider a disk queue with requests for $${\rm I}/O$$ to blocks on cylinders $$47, 38, 121, 191,$$ $$87, 11, 92, 10.$$ The $$C$$-$$LOOK$$ scheduling algorithm is used. The head is initially at cylinder number $$63,$$ moving towards larger cylinder numbers on its servicing pass. The cylinders are numbered from $$0$$ to $$199.$$ The total head movement (in number of cylinders) incurred while servicing these requests is _________________ .
3
GATE CSE 2016 Set 1
Numerical
+2
-0
Consider a computer system with ten physical page frames. The system is provided with an access sequence $$\left( {{a_1},{a_2},....,{a_{20}},{a_1},{a_2},...,{a_{20}}} \right),$$ where each $${{a_i}}$$ is a distinct virtual page number. The difference in the number of page faults between the last-in-first-out page replacement policy and the optimal page replacement policy is _____________
4
GATE CSE 2016 Set 1
+1
-0.3
Consider the following C program
void f(int, short);
void main()
{
int i = 100;
short s = 12;
short *p = &s;
__________ ;    // call to f()
}
Which one of the following expressions, when placed in the blank above, will NOT result in a type checking error?
A
f(s,*s)
B
i = f(i,s)
C
f(i,*s)
D
f(i,*p)
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