| Other 86 Family Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| Why is data bus bi-directional? | Wipro | 2 |
| What is the difference detween ISR & function call | Bosch | 13 |
| How do you detect if two 8-bit signals are same? | Intel | 5 |
| Why are program counter and stack pointer 16-bit registers? | HCL | 1 |
| 7. What are tri-state devices and why they are
essential in a bus oriented system? | Wipro | 3 |
| Suppose you have a combinational circuit between two
registers driven by a clock. What will you do if the delay
of the combinational circuit is greater than your clock signal? | Wipro | 2 |
| What is a program counter? What is its use? | | 3 |
| Design a Transmission Gate based XOR. Now, how do you
convert it to XNOR? | | 1 |
| Explain RC circuit?s charging and discharging? | Epsilon | 3 |
| Give the truth table for a Half Adder, Give a gate level
implementation of the same? | Wipro | 2 |
| What are tri-state devices and why they are essential in a
bus oriented system? | Keane-India-Ltd | 1 |
| Return address will be returned by function to | Wipro | 1 |
| What is the function of accumulator? | | 2 |
| load a
mul a
store t1
load b
mul b
store t2
mul t2
add t1
then the content in accumulator is
| Wipro | 1 |
| How many memory locations can be addressed by a
microprocessor with 14 address lines? | | 3 |
| write an assembly code which can call function in a loop
with al value from 0 to 9 | Google | 3 |
| What do you mean by wait state? What is its need? | | 2 |
| In a processor these are 120 instructions . Bits needed to
impliment this instructions
[a] 6 [b] 7 [c] 10 [d] none
| Wipro | 1 |
| What is flag, bus? | | 4 |
| Give two ways of converting a two input NAND gate to an
inverter ? | | 2 |
| |
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