Differences between D-Latch and D flip-flop?

D-latch is level Triggering and D Flip Flop is Edge triggering.

What is the most complicated/valuable program you written in C/C++?

hello world program

Design a circuit to detect when 3 and only 3 bits are set out of 8 b

Add the digits and check the sum. It would imply a 3-bit adder (max. value = 8 can be represented with three bits) and compare the result to 011.

write an assembly code which can call function in a loop with al valu

xor ax, ax loop1: call foo inc al cmp ax, 10 jb loop1

What types of high speed CMOS circuits have you designed?

Dynamic CMOS ckts and high speed multipliers using BOOTh/Mod-Booth algorithm.

How do you detect if two 8-bit signals are same?

By using XNOR gate if the signals are same then only the output will be one otherwise not.

Are you familiar with VHDL and/or Verilog?

yes

Differences between DRAM and SRAM?

dram consist of only one transistor and then it is a volatile memory.it is refreshed periodically otherswise stored informations are deleted. sram consists of five or six transistors and it is also a volatile memory, if power is shutoff or rew

Explain RC circuit?s charging and discharging?

Charging a Capacitor: The voltage across the capacitor is not instantaneously equal to that of the voltage across the battery when the switch is closed. The voltage on the capacitor builds up as more and more charges flows onto the capacitor

Implement D flip-flop with a couple of latches? Write a VHDL Code for

library ieee; use ieee.std_logic_1164.all; entity d_ff is port(d,clk:in std_logic; q,q'bar:out std_logic); end d_ff; architecture a_d_ff of d_ff is begin process(clk) begin if rising_edge(clk) then q<=d; q'bar<=no

You have a driver that drives a long signal & connects to an inpu

To avoid signal threshold violations(due to loss in long path), use repeaters to boost signal strength at spec. intervals.

Explain the working of a binary counter?

binary counter with the number of bits available. initiallly counter is set to zero. then bits are checked against logic 1 or 0,if they are either logic 1 or 0,then counter is incremented.

How is the non-periodic nature of the input signal handled?

take fourier transform

What are the different flags in 8085?

8085 microprocessor has a set 5 flip flops which serves as the status flags & they are : Sign Flag ,Carry Flag, Auxillary Carry Flag, Parity Flag & Zero Flag

Which type of architecture 8085 has?

8085 has von neumann architecture it was derived after the name of mathematician john von neumann. its having 16 address bus and 8 bit data bus. it can access 2^16 individual memory location.

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