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

86 Family Interview Questions

Questions Answers Views Company eMail

Difference between 80286 and 80287

Mascot,

2 11685

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

Wipro,

2 11599

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 11423

Return address will be returned by function to

Wipro,

2 7516

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

Wipro,

2 9201

Which type of architecture 8085 has?

DRDO, Sasken, Wipro,

6 34032

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

HCL, Paavai,

5 31083

8085 is how many bit microprocessor?

18 34066

Why is data bus bi-directional?

College School Exams Tests, TCS, Wipro,

11 57449

What is the function of accumulator?

Sandvik, SICSR,

20 104201

What is flag, bus?

8 27223

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

HP, Keane India Ltd,

1 8753

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

College School Exams Tests, HCL,

6 54408

What does it mean by embedded system?

11 22980

What are the different addressing modes in 8085?

Rambala Exports, Syntel,

25 67998

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Un-Answered Questions { 86 Family }

What is stack pointer?

1102

Name 5 different addressing modes?

1074

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

1033

In which T-state does the CPU sends the address o memory or I/O and the ALE signal for Demultiplexing

1534

Explain the difference between microcontroller and microprocessor?

1096

Explain the pointers and index group of registers

1121

What is meant by cross-compiler?

1199

Byte wise what are the lengths of call and ret instructions?

1373

What are the three main types of connection used by bluetooth?

1063

What type of memory is the stack?

1075

Why stack is used in program?

1072

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

982

What is address bus, data bus and control bus in microprocessor 8051 ?

1181

In what way interrupts are classified in 8085?

1170

What is the maximum supported clock speed of the 8086?

991

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