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?

1154

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

1179

Explain jnc.?

1105

Explain db?

1092

What are the four distinct types of memory in 8051?

1737

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

1008

What is special function registers (sfr)?

1197

Give example of bit address and byte address?

1109

Explain the architecture of 8051 microcontroller ?

994

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

1226

List out addressing modes in mcs-51?

1122

What is the width of address bus?

1116

What are issues related to stack and bank 1.?

1396

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

1015

What are the data pins of microprocessors?

1191

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Un-Answered Questions { 86 Family }

What is meant by the statement that 8085 is a 8 bit microprocessor?

1206

What does quality factor mean?

1136

Define the types of bus used in the 8085?

1014

Mention the addressing modes of 8085?

1077

Explain what type of architecture is used in 8085 microprocessor?

985

How much total external data memory that can be interfaced to the 8051?

1211

What is the purpose of segment register?

935

In how many ways computer soft wares are categorized?

1029

explain about externally initiated operations

1060

what is a Watchdog Timer?

1171

How is EPROM generally erased

1127

What are the functions of base registers?

1211

write the assembly language programming to find the 2's complement for a string of 100 bytes

1129

What are the types of interrupts from type 0 to 4

973

Introduction of 8051 microcontroller architecture?

1041

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