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Q.

Flag register is an 8-bit register having __________ 1-bit flip-flops.

A

3

B

4

C

5

D

6

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MCQ

1.

The clock frequency of an 8085 microprocessor is 5 MHz. If the time required to execute an instruction is 1.4 ?s, then the number of T-states needed for executing the instruction is

A

1

B

6

C

7

D

4

Discussion

MCQ

2.

This signal is used as the system clock for devices connected with the microprocessor.

A

X1, X2

B

CLK OUT

C

CLK IN

D

IO/M

Discussion

MCQ

3.

There are _______ general purpose registers in 8085 processor

A

5

B

6

C

7

D

8

Discussion

MCQ

4.

8085 microprocessor is an 8-bit microprocessor designed by?

A

IBM

B

Dell

C

Intel

D

VAX

Discussion

MCQ

5.

8085 MPU is

A

8 bits

B

16 bits

C

32 bits

D

64 bits

Discussion

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