Technical Questions

Q:

What does the EU do?

Answer

Execution Unit receives program instruction codes and data from BIU, executes these instructions and store the result in general registers.

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Q:

What are the various segment registers in 8086?

Answer

Code, Data, Stack, Extra Segment registers in 8086.

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1 1913
Q:

What are different functional units in 8086?

Answer

Bus Interface Unit and Execution unit, are the two different functional units in 8086.

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Q:

What is Non-Maskable interrupts?

Answer

An interrupt which can be never be turned off (ie. disabled) is known as Non-Maskable interrupt

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Q:

What is meant by Maskable interrupts?

Answer

An interrupt that can be turned off by the programmer is known as Maskable interrupt.

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0 2014
Q:

What is the Maximum clock frequency in 8086?

Answer

5 Mhz is the Maximum clock frequency in 8086.

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2 5743
Q:

Have you studied buses? What types?

Answer

There are three types of buses.


Address bus: This is used to carry the Address to the memory to fetch either Instruction or Data.


Data bus: This is used to carry the Data from the memory.


Control bus: This is used to carry the Control signals like RD/WR, Select etc.

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Q:

How many bit combination are there in a byte?

Answer

Byte contains 8 combinations of bits.

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