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86 Family Interview Questions
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Design a divide-by-3 sequential circuit with 50% duty circle now?

 648

What is a program counter?

 584

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

 705

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

 553

Explain transmission gate-based d-latch?

 638

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

 753

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

 565

Which is the stack used in 8085?

 574

What is the difference between isr & function call?

 526

What is internal structure of 8086?

 576

What are different adder circuits you studied?

 560

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

 554

Can 8259 be interfaced with 8085 via the trap pin?

 562

Give examples for maskable interrupts?

 654

Design a transmission gate based xor.

 655

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Un-Answered Questions { 86 Family }

Explain what type of architecture is used in 8085 microprocessor?

520

Discuss 3 states signals io/m,s0,s1?

624

What are issues related to stack and bank 1.?

774

What are the different types of instructions responsible for data transfer instructions.

510

List some 8051 microcontroller applications in embedded systems ?

522




What is clock frequency for 8085?

633

what is the difference between timer and counter of microcontroller?

716

What is a linker?

609

Define the type of interrupts in the 8085 processor?

570

how does the 8086 differ from the 8085 microprocessor?

552

What are the total number of input and output ports in 8085?

641

Comment the size of stack?

563

If a1M1× DRAM requires 4 ms for a refresh and has 256 rows to be refreshed, no more than __________ of time must pass before another row is refreshed.

774

What is a program counter?

584

What are the conditions under which the eu enter into the wait mode?

676

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