High School Physics

Microprocessor MCQ (Multiple Choice Questions) on 8085 & 8086 – Part 2

Last updated on April 30th, 2023 at 04:40 pm

This is part 2 of the Microprocessor MCQ (Multiple Choice Questions) on 8085 & 8086.
This page contains question number 9 to question number 16 [out of 40 questions of this set].

Follow the links given below to find the other 4 parts of this MCQ set containing microprocessor 8085 MCQ and microprocessor 8086 MCQ.

MCQ Part 1 | MCQ Part 3 | MCQ Part 4 | MCQ part 5

Microprocessor MCQ on 8085 & 8086 – part 2

Part 2 of the Microprocessor MCQ set with 8085 MCQ & 8086 MCQ has question numbers 9 to 16 of the set of 40 MCQ.

9] Which stack is used in 8085?


10] Accumulator is

a] Counter
b] Register
c] Keyboard
d] None

11] The contents of Program Counter (PC), when the processor is reading from 2FFF H location, will be

a] 2FFE H
b] 2FFF H
c] 3000 H
d] 3001 H

 12]  In 8085A microprocessor ALE signals made high to

a] Enable the data bus to be used as low order address bus
b] To latch data D0-D7 from data bus
c] To disable data bus
d] To achieve all the functions listed above

 13] What does microprocessor speed depends on?

a] Clock
b] Data bus width
c] Address bus width
d] None

 14] The number of register pairs of 8085 microprocessor are

a] 3
b] 4
c] 2
d] 5

 15] PSW in the 8085 microprocessor is a

a] 8-bit register
b] 16-bit register
c] 4-bit register
d] 32-bit register

16] The address lines required for 16K byte memory chip are

a] 13
b] 14
c] 15
d] 16

See also  Interfacing of 8255 PPI with 8085 microprocessor

MCQ Part 1 | MCQ Part 3 | MCQ Part 4 | MCQ part 5

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