Hello,
How the chip 7483 chip work?
i dont understand how it circuit is made using gates??
and how gates are build in chip??

 

Hello Ritesh,

Why don't you look in a databook ?



Bertus

 

Try to watch this

 

@embedded29 Do you have a particular adder circuit that you are working on?

 

Start by googling "half-adder". It is a purely combinatorial circuit with two inputs, two outputs, and no memory. Once you understand this simple circuit, you con proceed to the slightly more complicated "full adder". This circuit is also combinatorial; it has 3 inputs and two outputs, and it can be cascaded to handle longer word lengths. From this you can see the deleterious effects of carry propagation time, which will lead you to the "carry look-ahead adder" and the "propagate-kill" circuit.

 

ok, how does computer add in any format like decimal etc large number.

 

Hello,

Watch this video:

Bertus

 

ok, how does computer add in any format like decimal etc large number.

There are two ways.

1. Build an adder that works directly on the format of interest.
2. Convert all formats to a standard form, do the addition, convert the standard form back to the desired format.

 

how to do multiplication and division?

 

ok, how does computer add in any format like decimal etc large number.

Computers store numbers in binary format.

Below are the truth table and Kmaps for a 2 bit half adder:

S = Sum, C = Carry
A full adder would have Carry In as a signal.

 

Shift and add, just like you would do with pencil and paper.

 

how to do multiplication and division?

Multiplication by powers of 2 can be done by shifting left, division by shifting right.

For speed, microprocessors can use look up tables.

 

i dont under stand this Kmaps for a 2 bit half adder

how it is drawn ?

 

Hello,

Perhaps you will get more the idea about digital systems, when you will browse these pages of the EDUCYPEDIA:
Arithmetic circuits
CMOS technology
Codes & decoders
Converters
Counters & registers
DAC/ADC types
Digital logic
Digital theory
Flip flops
FPGA Design
Memory
Number systems
Sigma Delta Conversion
Technology
Timers & oscillators
TTL technology

Bertus