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?

1115

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

1147

Explain jnc.?

1065

Explain db?

1057

What are the four distinct types of memory in 8051?

1699

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

986

What is special function registers (sfr)?

1154

Give example of bit address and byte address?

1063

Explain the architecture of 8051 microcontroller ?

956

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

1194

List out addressing modes in mcs-51?

1094

What is the width of address bus?

1066

What are issues related to stack and bank 1.?

1348

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

973

What are the data pins of microprocessors?

1140

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Un-Answered Questions { 86 Family }

The Pentium microprocessor has how many execution unit?

1107

Explain what is microcontroller?

1064

What is coprocessor?

1021

What are Pseudo instructions basically?

1042

State the two type of 16 bit registers and define them?

910

What is the logical difference between move a to b and compute b = a?

1039

List various types of interrupts available in 8051 microcontroller?

1033

What are the typical errors associated with using stack in a program?

1081

Define the jobs performed by the biu and eu in the 8086.

1225

Explain the different types of data transfers possible in the 8085.

1040