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86 Family Interview Questions
Questions Answers Views Company eMail

Difference between 80286 and 80287

Mascot,

2 9102

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

Wipro,

2 9202

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 8810

Return address will be returned by function to

Wipro,

2 5100

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

Wipro,

2 6659

Which type of architecture 8085 has?

DRDO, Sasken, Wipro,

6 29640

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

HCL, Paavai,

5 26816

8085 is how many bit microprocessor?

 18 25897

Why is data bus bi-directional?

College School Exams Tests, TCS, Wipro,

11 46997

What is the function of accumulator?

Sandvik, SICSR,

20 89254

What is flag, bus?

 8 21818

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

HP, Keane India Ltd,

1 6928

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

College School Exams Tests, HCL,

6 44118

What does it mean by embedded system?

 11 16603

What are the different addressing modes in 8085?

Rambala Exports, Syntel,

25 56638

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Un-Answered Questions { 86 Family }

What is the difference between 8085 microprocessor and 8086 microprocessor?

252

How many instruction bits does 8085 processor support?

207

what is the difference between timer and counter of microcontroller?

258

What are the advantages of memory segmentation in 8086

166

The input/output signals are related to which pins?

211




Why subroutine used in programs?

228

What is the RST for the TRAP?

233

What is the function of reset out signal.

190

Explain the functions of the two dma signals hold and hlda?

297

Which interrupt has highest priority?

200

When is the LOCK prefix used often?

223

What is the bus in a microcontroller?

187

explain the flow of a typical instruction word

204

What is meant by a bus?

196

Describe the accumulator register of 8085?

227

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