Set - 5

Question 6 :

What is Stack Pointer?

Answer :

Stack pointer is a special purpose 16-bit register in the Microprocessor, which holds the address of the top of the stack.


Question 7 :

What happens when HLT instruction is executed in processor?

Answer :

The Micro Processor enters into Halt-State and the buses are tri-stated.


Question 8 :

What does Quality factor mean?

Answer :

The Quality factor is also defined, as Q. So it is a number, which reflects the lossness of a circuit. Higher the Q, the lower are the losses.


Question 9 :

How many interrupts are there in 8085?

Answer :

There are 12 interrupts in 8085.


Question 10 :

What is Tri-state logic?

Answer :

Three Logic Levels are used and they are High, Low, High impedance state. The high and low are normal logic levels & high impedance state is electrical open circuit conditions. Tri-state logic has a third line called enable line.