Question56:-Which signal received by an 8086 processor indicates that an external device had requested the use of System
bus?
A:-HOLD
B:-INTR
നട്‌
D:-READY
Correct Answer:- Option-A
Question57:-Which processor design characteristic given below is not true for a CISC processor?
A:-Variable-length instruction format
B:-Complex instruction set
C:-Small set of instructions
D:-More memory access
Correct Answer:- Option-C
Question58:-What will be the hexadecimal value in the register AX after executing the following instructions?

MOV BL, 25H
MOV BH, 35H
XOR BL, BL
MOV CL, 3
SHR BX, CL
A:-0D40
B:-06A0
C:-02A4
D:-0549
Correct Answer:- Option-B
Question59:-The 10's complement of *(52520)_(10)° is
A:-48420
B:-47480
C:-47840
D:-48470
Correct Answer:- Option-B
Question60:-The binary equivalent of ` (0.6875) (10) ।5
A: (0.1011)_(2)°
(0.1101) (2)`
(0.1001) (2)`
:- ` (0.1111) (2)
Correct Answer:- Option-A
Question61:-Which of the following is a simplified form of the Boolean function?
F=A'C + A'B + AB'C + BC
A:-C' + AB
B:-C + AB
C:-C + A'B
D:-A + BC
Correct Answer:- Option-C
Question62:-A is a combinational logic circuit that converts binary information from n input lines to a maximum
of *"2“n"* unique output lines.
A:-Decoder
B:-Multiplexer
C:-Demultiplexer
D:-Encoder
Correct Answer:- Option-A
Question63:-If a multiplexer has 16 input lines, how many selection lines would be necessary?
A:-16
B:-8
C:-4
D:-2
Correct Answer:- Option-C
Question64:-Clock pulses are applied to all flip-flops in the case of counters.
A:-Asynchronous
B:-Ripple