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

86 Family Interview Questions

Questions Answers Views Company eMail

Can port 0 be used as input output port?

1213

Which bit of the flag register is set when output overflows to the sign bit?

1213

Explain jnc.?

1162

Explain db?

1149

What are the four distinct types of memory in 8051?

1790

Other than setb, clr are there any single bit instructions?

1063

What is special function registers (sfr)?

1232

Give example of bit address and byte address?

1161

Explain the architecture of 8051 microcontroller ?

1052

Which 2 ports combine to form the 16 bit address for external memory access?

1295

List out addressing modes in mcs-51?

1183

What is the width of address bus?

1169

What are issues related to stack and bank 1.?

1482

What are the data pins of microprocessors? What is their use?

1060

What are the data pins of microprocessors?

1269

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Un-Answered Questions { 86 Family }

what differences can you state between the hlt and hold states?

1325

What is the software interrupts of 8085?

1191

What is lst file?

1149

What is the maximum clock frequency used by the 8085 microprocessor?

1197

Write the flags of 8086?

1030

List some 8051 microcontroller applications in embedded systems ?

1081

Explain maskable and non maskable interrupts?

1198

Define the purpose of sim and rim in reference to the 8086?

993

Mention any one 32 bit microcontroller and explain the same.

1010

Describe the aaa instruction with the help of an example?

1049

Point out the differences between the 8086 and 8088 microprocessor?

1200

Mention the types of programmed data transfer?

1167

How is the system clock calculated in the 8085?

1219

Mention what is the difference between microprocessor and microcontroller?

1143

Mention the addressing modes of 8085?

1120

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