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

86 Family Interview Questions

Questions Answers Views Company eMail

what are the differences between isolated i/o and memory mapped i/o

1086

What are the steps involved in a fetch cycle

1093

What are the advantages of memory segmentation in 8086

1212

The interrupt response time is determined by?

1091

What is the purpose of the biu in the 8086?

1103

After a pop instruction where does the stack pointer points?

1095

What are the two major differences between intr and other interrupts (hardware)?

1598

explain the trap input for the 8085.

1065

What are the different types of arithmetic operations that can be performed by the 8085 microprocessor? Explain with an example?

1174

Explain the internal architecture of the 8086 microprocessor?

1179

Define psp?

1116

Define the architecture of the 8085 microprocessor?

1044

What are the index registers in 8086?

1157

Classify interrupts on the basis of signals.

1140

What is the purpose of a buffer register in reference to 8085?

1018

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Un-Answered Questions { 86 Family }

What is 8251?

1221

What are the interrupts of 8086?

1060

Which interrupts are generally used for critical events?

1179

What is a stack pointer register?

1039

Explain memory mapped i/o and i/o mapped i/o schemes?

1389

What are the functions of general purpose registers?

1178

What does the parity flag do?

1133

Define psp and its structure?

1117

explain the different types of control flags for the 8086?

1027

What’s a microprocessor?

1049

Explain the different modes of operations of the 8086?

1061

What are the data pins of microprocessors?

1269

Why do you use two ground pins in microprocessor 8086?

1050

What is physical address?

1140

If a1M1Ã— DRAM requires 4 ms for a refresh and has 256 rows to be refreshed, no more than __________ of time must pass before another row is refreshed.

1381

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