86 Family Interview Questions
Questions Answers Views Company eMail

Difference between 80286 and 80287

Mascot,

2 10915

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

Wipro,

2 10854

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 10638

Return address will be returned by function to

Wipro,

2 6647

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

Wipro,

2 8429

Which type of architecture 8085 has?

DRDO, Sasken, Wipro,

6 32619

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

HCL, Paavai,

5 29947

8085 is how many bit microprocessor?

18 31337

Why is data bus bi-directional?

College School Exams Tests, TCS, Wipro,

11 54591

What is the function of accumulator?

Sandvik, SICSR,

20 100747

What is flag, bus?

8 25740

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

HP, Keane India Ltd,

1 8057

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

College School Exams Tests, HCL,

6 52904

What does it mean by embedded system?

11 20552

What are the different addressing modes in 8085?

Rambala Exports, Syntel,

25 64224


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Un-Answered Questions { 86 Family }

What the sp register does in a program?

767


What are the different functional units in 8086?

799


Explain jnc.?

844


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

1452


What are the main differences between the 8085 and 8086 microprocessor?

815






How to control and timing circuitry of the 8085.

765


Signal voltage ranges for a logic high and for a logic low in RS-232C standard are

849


Explain two ways of converting a two input nand gate to an inverter?

753


Explain the difference between microcontroller and microprocessor?

765


What are set up time & hold time constraints?

796


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

807


Explain the significance of signal?

735


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

756


Explain all the addressing modes of the 8085 with the help of examples.

812


The operation being performed by the 8085 can be checked by which pins?

756