86 Family Interview Questions
Questions Answers Views Company eMail

Difference between 80286 and 80287

Mascot,

2 10479

In a processor these are 120 instructions . Bits needed to impliment this instructions [a] 6 [b] 7 [c] 10 [d] none

Wipro,

2 10376

In 8085 microprocessor READY signal does.which of the following is incorrect statements [a]It is input to the microprocessor [b] It sequences the instructions

Wipro,

2 10209

Return address will be returned by function to

Wipro,

2 6208

load a mul a store t1 load b mul b store t2 mul t2 add t1 then the content in accumulator is

Wipro,

2 7933

Which type of architecture 8085 has?

DRDO, Sasken, Wipro,

6 31852

How many memory locations can be addressed by a microprocessor with 14 address lines?

HCL, Paavai,

5 29234

8085 is how many bit microprocessor?

18 29665

Why is data bus bi-directional?

College School Exams Tests, TCS, Wipro,

11 52653

What is the function of accumulator?

Sandvik, SICSR,

20 98215

What is flag, bus?

8 24738

What are tri-state devices and why they are essential in a bus oriented system?

HP, Keane India Ltd,

1 7679

Why are program counter and stack pointer 16-bit registers?

College School Exams Tests, HCL,

6 51772

What does it mean by embedded system?

11 19393

What are the different addressing modes in 8085?

Rambala Exports, Syntel,

25 61778


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Un-Answered Questions { 86 Family }

What is the maximum supported clock speed of the 8086?

578


What is internal structure of 8086?

592


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

598


Which interrupt is not level-sensitive in 8085?

656


Define bit, byte and word.

767






How is the system clock calculated in the 8085?

655


What are the four distinct types of memory in 8051?

1242


Which are the different data transfer schemes?

545


When is the LOCK prefix used often?

619


What is meant by address space? What is meant by address space partitioning?

584


Introduction of 8051 microcontroller architecture?

613


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

589


Explain what is sim and rim instructions?

665


explain the difference between 8086 and 8088?

617


List the various registers of 8085?

670