B:-Execute stage of fixed-point instructions take more phases than that of a
floating-point instruction

C:-Execute stage of Branch instruction may need six execute phases

D:-Execute stage of floating-point instructions take more phases than that of a
fixed-point instruction

Correct Answer:- Option-B

Question51:-To access data from an address location stored in a register R and then
to increment the register contents by a displacement d, we may use

A:-*R

B:-*+R(d)

C:-*R++(d)

D:-*++R(d)

Correct Answer:- Option-C

Question52:-A shift register in which output Q of the last flipflop is connected to the
input of the first flipflop is called

A:-Parallel counter
B:-Ripple counter

C:-Ring counter

D:-BCD counter

Correct Answer:- Option-C

Question53:-A 4-bit R/2R digital-to-analog (DAC) converter uses resistance values of
1K and 2K in the ladder network. Number of 1K resistances and 2K resistances
needed for the ladder network is and respectively.

A:-5,3
B:-3, 3
C:-4,4
D:-3,5
Correct Answer:- Option-D

Question54:-Finding the sample values in between the pulses with different
amplitudes produced by a DAC is called

A:-Decimation
B:-Interpolation
C:-Sampling
D:-Reconstruction

Correct Answer:- Option-B

Question55:-A multiplexer has 2 select lines S1 and SO and 4 input lines AO, Al, A2,
A3. Assume S1 and SO are shorted and connected to a clock signal. Multiplexer will
have an output Y switching between

A:-A2 and Al