| Other 86 Family Interview Questions |
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| Question | Asked @ | Answers |
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| load a
mul a
store t1
load b
mul b
store t2
mul t2
add t1
then the content in accumulator is
| Wipro | 1 |
| Give the truth table for a Half Adder, Give a gate level
implementation of the same? | Wipro | 1 |
| What are the different Adder circuits you studied? | | 3 |
| In a processor these are 120 instructions . Bits needed to
impliment this instructions
[a] 6 [b] 7 [c] 10 [d] none
| Wipro | 1 |
| Give two ways of converting a two input NAND gate to an
inverter ? | | 2 |
| What is an interrupt? | | 4 |
| What is the function of accumulator? | | 1 |
| What are the different addressing modes in 8085? | Syntel | 4 |
| Difference between 80286 and 80287 | Mascot | 1 |
| What are tri-state devices and why they are essential in a
bus oriented system? | Keane-India-Ltd | 1 |
| What happens during DMA transfer? | | 3 |
| What do you mean by wait state? What is its need? | | 2 |
| Why are program counter and stack pointer 16-bit registers? | | 1 |
| What is the difference detween ISR & function call | Bosch | 7 |
| Explain the working of a binary counter? | | 2 |
| write an assembly code which can call function in a loop
with al value from 0 to 9 | Google | 3 |
| Which type of architecture 8085 has? | Sasken | 1 |
| What are set up time & hold time constraints What do they
signify Which one is critical for estimating maximum clock
frequency of a circuit? | AMD | 1 |
| What is the difference between MOV and MVI? | | 5 |
| What are the functions of RIM, SIM, IN? | | 2 |
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