1
GATE CSE 1987
MCQ (Single Correct Answer)
+2
-0.6
A square matrix is singular whenever:
A
The rows are linearly independent
B
The columns are linearly independent
C
The row are linearly dependent
D
None of the above
2
GATE CSE 1987
MCQ (Single Correct Answer)
+2
-0.6
If a, b and c are constants, which of the following is a linear inequality?
A
ax + bcy = 0
B
$$a{x^2}\, + \,c{y^2} = 21$$
C
$$abx\, + \,{a^2}y\, \ge \,15$$
D
$$xy\, + \,ax\,\, \ge \,20$$
3
GATE CSE 1987
MCQ (Single Correct Answer)
+2
-0.6
A critical region is:
A
One which is enclosed by a pair of P and V operations on semaphores
B
A program segment that has not been proved bug-free
C
A program segment that often causes unexpected system crashes
D
A program segment where shared resources are accessed
4
GATE CSE 1987
MCQ (Single Correct Answer)
+2
-0.6
On receiving an interrupt from an $${\rm I}/O$$ device the $$CPU$$:
A
halts for predetermined time.
B
hands over control of address bus and data bus to the interrupting device.
C
Branches off to the interrupt service routine immediately.
D
Branches off to the interrupt service routine after completion of the current instruction.
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