86 Family Interview Questions
Questions Answers Views Company eMail

Design a divide-by-3 sequential circuit with 50% duty circle now?

678

What is a program counter?

613

Which is the tool used to connect the user and the computer?

731

Please give a circuit to divide frequency of clock cycle by two?

583

Explain transmission gate-based d-latch?

664

Can an rc circuit be used as clock source for 8085?

785

Give truth table for a half adder, give a gate level implementation of the same?

604

Which is the stack used in 8085?

596

What is the difference between isr & function call?

551

What is internal structure of 8086?

602

What are different adder circuits you studied?

583

Explain two ways of converting a two input nand gate to an inverter?

583

Can 8259 be interfaced with 8085 via the trap pin?

585

Give examples for maskable interrupts?

678

Design a transmission gate based xor.

680


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Un-Answered Questions { 86 Family }

What is the software interrupts of 8085?

666


Explain the software instruction ei and di?

633


Define the 8085 instruction format and their classification according to word size?

625


How is EPROM generally erased

667


What is internal structure of 8086?

602






Define the number of flags present in the 8086 and name each one of them.

624


State the order of interrupts priority wise (lower to higher)?

604


These are two ways in which a microprocessor can come out of Halt state.

693


What is the maximum supported clock speed of the 8086?

588


Why stack is used in program?

666


How many interrupts are there in 8085?

627


State the number and type of registers in the 8086?

547


Explain in steps what happens when an interrupt occurs?

611


Explain what is the main difference between 8085 and 8086 processors?

551


What are the various criteria to choose the microcontroller?

585