In 8085 microprocessor, how many interrupt control lines are there? - Digital Electronics

Electronics and Communication Engineering (ECE) : Digital Electronics - Quiz(MCQ)

In 8085 microprocessor, how many interrupt control lines are there?

A)

6

B)

8

C)

12

D)

16

Correct Answer : Option (B) : 8

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Two 16 : 1 and one 2 : 1 multiplexers can be connected to form a

A)

8 : 1 multiplexer

B)

16 : 1 multiplexer

C)

32 : 1 multiplexer

D)

64 : 1 multiplexer

Correct Answer : 32 : 1 multiplexer

If interrupt service request have been received from all of the following interrupts, then which one will be serviced last?

A)

RST 5.5

B)

RST 6.5

C)

RST 7.5

D)

None of the above

Correct Answer : RST 5.5

Which liquid crystal is used for LCD display?

A)

Mercury

B)

Aqua regia

C)

Liquid boron

D)

Pneumatic fluid

Correct Answer : Pneumatic fluid

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