1
GATE CSE 1996
+1
-0.3
The formula used to compute an approximation for the second derivative of a function $$f$$ at a point $${x_0}$$ is
A
$${{f\left( {{x_0} + h} \right) + f\left( {{x_0} - h} \right)} \over 2}$$
B
$${{f\left( {{x_0} + h} \right) - f\left( {{x_0} - h} \right)} \over 2h}$$
C
$${{f\left( {{x_0} + h} \right) + 2f\left( {{x_0}} \right) + f\left( {{x_0} - h} \right)} \over {{h^2}}}$$
D
$${{f\left( {{x_0} + h} \right) - 2f\left( {{x_0}} \right) + f\left( {{x_0} - h} \right)} \over {{h^2}}}$$
2
GATE CSE 1996
Subjective
+1
-0
Let $$A = \left[ {\matrix{ {{a_{11}}} & {{a_{12}}} \cr {{a_{21}}} & {{a_{22}}} \cr } } \right]\,\,$$ and $$B = \left[ {\matrix{ {{b_{11}}} & {{b_{12}}} \cr {{b_{21}}} & {{b_{22}}} \cr } } \right]\,\,$$ be
two matrices such that $$AB=1.$$
Let $$C = A\left[ {\matrix{ 1 & 0 \cr 1 & 1 \cr } } \right]$$ and $$CD=1.$$
Express the elements of $$D$$ in terms of the elements of $$B.$$
3
GATE CSE 1996
+1
-0.3
The process state transition diagram in Figure is representative of
A
a batch operating system
B
an operating system with a preemptive scheduler
C
an operating system with a non-preemptive scheduler
D
a uni-programmed operating system.
4
GATE CSE 1996
+1
-0.3
Which of the following is an example of spooled device?
A
A line printer used to print the output of a number of jobs.
B
A terminal used to enter input data to a running program.
C
A secondary storage device in a virtual memory system.
D
A graphic display device.
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