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

86 Family Interview Questions

Questions Answers Views Company eMail

Explain an interrupt?

799

Why memory width is not 16-bit? In stead of having 8-bit (same as 8085)?

809

What is program counter in 8085?

788

What is meant by a bus?

777

Where can we find the sample assembly language programs?

761

What is the position of the stack pointer after the push instruction?

1100

What is the position of the stack pointer after the pop instruction?

811

Explain the functions of ale in 8085?

775

What are the flags used in 8086?

779

Logic calculations are done in which type of registers?

1124

Tell me how do you detect if two 8-bit signals are same?

884

Name 5 different addressing modes?

814

Why address bus is unidirectional and data bus is bidirectional?

934

Why the temporary registers w and z are named so I mean we start from a,b,c,d,e then h and l coz h stands for higher bit nd l for lower bit of the address pinted by memory pointer....but wats w and z for?

723

Give an example of one address microprocessor?

950

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Un-Answered Questions { 86 Family }

What are the various interrupts in 8086?

827

Define the 8085 instruction format and their classification according to word size?

792

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

833

What happens when the intr signal goes high in the 8085?

820

List out the features of 8051 microcontroller?

909

Introduction of 8051 microcontroller architecture?

771

What is special purpose registers in 8086?

837

What is the bus arbitration problem in the 8086 and how can it be resolved?

858

what is logical address?

724

How many logical drives is it possible to fit onto a physical disk?

764

Explain the characteristics of the cmp instructions?

810

What is 8251?

903

What is the bit size of Itanium processor of Intel?

824

Explain jnc.?

847

Write the flags of 8086?

761

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