86 Family Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

86 Family Interview Questions

Questions Answers Views Company eMail

What is the difference between MOV and MVI?

15 79145

What are the functions of RIM, SIM, IN?

Pappu Sons, Wipro,

10 75433

What is the immediate addressing mode?

13 32535

What are the different flags in 8085?

Spectra Innovations, TCS, Wipro,

24 100674

What happens during DMA transfer?

9 30540

What do you mean by wait state? What is its need?

2 25268

What is PSW?

DRDO,

11 56900

What is ALE? Explain the functions of ALE in 8085.

17 161484

What is a program counter? What is its use?

9 87282

What is an interrupt?

TCS,

13 25003

Which line will be activated when an output device require attention from CPU?

4 15281

Give two ways of converting a two input NAND gate to an inverter ?

2 18451

Given a circuit, draw its exact timing response?

ATS,

3703

What are set up time & hold time constraints What do they signify Which one is critical for estimating maximum clock frequency of a circuit?

AMD,

1 9839

Give a circuit to divide frequency of clock cycle by two ?

6 16950

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Un-Answered Questions { 86 Family }

Give an example of one address microprocessor?

1220

If a1M1Ã— 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.

1331

Describe the (status) flag register of 8085?

1037

What is lst file?

1091

What is meant by priority of interrupt?

1170

What are the different flags included in the alu?

1103

Explain the different types of data transfers possible in the 8085.

1082

Explain with an example how parameters can be passed using registers.

1047

What is sim and rim instructions?

1099

What location code memory space and data memory space begins?

2109

What is the significance of the clk pin in the 8086?

1227

How clock signal is generated in 8086? What is the maximum internal clock frequency of 8086?

1401

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

1026

Describe the non-vectored interrupt process?

1082

State the two type of 16 bit registers and define them?

933

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