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86 Family Interview Questions
Questions Answers Views Company eMail

Difference between 80286 and 80287

Mascot,

2 8232

In a processor these are 120 instructions . Bits needed to impliment this instructions [a] 6 [b] 7 [c] 10 [d] none

Wipro,

2 8524

In 8085 microprocessor READY signal does.which of the following is incorrect statements [a]It is input to the microprocessor [b] It sequences the instructions

Wipro,

2 8149



Return address will be returned by function to

Wipro,

2 4606

load a mul a store t1 load b mul b store t2 mul t2 add t1 then the content in accumulator is

Wipro,

2 6017

Which type of architecture 8085 has?

Wipro, Sasken, DRDO,

6 28165

How many memory locations can be addressed by a microprocessor with 14 address lines?

HCL, Paavai,

5 24923

8085 is how many bit microprocessor?

 18 23407



Why is data bus bi-directional?

TCS, Wipro, College School Exams Tests,

11 43075

What is the function of accumulator?

Sandvik, SICSR,

20 83720

What is flag, bus?

 8 20132

What are tri-state devices and why they are essential in a bus oriented system?

HP, Keane India Ltd,

1 6552

Why are program counter and stack pointer 16-bit registers?

HCL, College School Exams Tests,

6 39559

What does it mean by embedded system?

 11 15167

What are the different addressing modes in 8085?

Syntel, Rambala Exports,

25 53378

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Un-Answered Questions { 86 Family }

why 8085 processor is called an 8 bit processor?

14

What is the function of reset out signal.

5

What are flag registers?

4

Point out the differences between the 8086 and 8088 microprocessor?

1

what is the undefined bits in flag registers of 8085 microprocessor?

898




Give example of bit address and byte address?

9

explain about externally initiated operations

1

What is the significance of the clk pin in the 8086?

1

Differentiate between hardware and software interrupts and state examples for both?

1

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

7

What is general purpose registers in 8086?

4

What are the different types of memory addressing modes?

1

What is the purpose of pipe lining in reference to 8086?

1

What is fetch and execute cycle?

3

What is lst file?

7

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