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 the functions of the two dma signals hold and hlda?

1132

What are the functions of base registers?

1211

Comment the size of stack?

987

Describe the instruction register of 8085?

1036

What is the distinguishing feature of db and ab?

1727

Explain xthl, daa, rc instructions.

1148

What are the functions of general purpose registers?

1119

Why the lower byte address bus(a0-a7) and data bus (d0-d7) are multiplexed?

1686

Mention the addressing modes of 8085?

1077

Explain sphl instruction?

1119

Name the pin in 8086 microprocessor that is used for selecting mode of operation?

1107

Mention interrupts pins of 8085?

1152

What is meant by address space? What is meant by address space partitioning?

1015

Mention the types of interrupts that 8085 supports?

1008

How subroutine can be called from the main program and how the program returns from the subroutine?

999

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Un-Answered Questions { 86 Family }

Mention the addressing modes of 8085?

1077

explain the difference between 8086 and 8088?

1162

In which T-state does the CPU sends the address o memory or I/O and the ALE signal for Demultiplexing

1534

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

1079

What is the difference between 8085 and 8086 in microprocessor?

1063

Discuss pc and sp?

1035

What are the various interrupts in 8086?

1116

In 8085 name the 16 bit registers?

1355

Explain the characteristics of the cmp instructions?

1162

Explain the significance of signal?

987

What is the function of ale and how does it works?

1055

what are the various flags used in 8085?

1262

Define bit?

1063

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

1008

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

1124

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