There is tough logic in the “registers”
Each register is like a military barrack
Made of a row of eight or sixteen logic gates,
The logic gates here are different
Each logic gate is called a “flip flop”.
A strange name you may say!
The flip-flops is a special kind of logic gate
And is the new version of a logic gate.
Each flip flop chamber too can keep
Only a Boolean one or a Boolean zero
But it is in a completely different way.
In the ordinary logic gates
The electric currents simply flow and flow
The zeroes and ones coming and going out
Can not stop but only flow and flow
They flow with terrible speed
It is two hundred thousand kilometers in a second
It is rather too high for any useful work.
When a customer enters a bank
He has to stop at the counter
For a few minutes at least
Otherwise how can he deposit or draw big monies?
Here in computer also it is the same thing
If currents flow too fast how can mathematics be done?
So the engineers constructed the flip flops
To make the zeroes and ones stop as long as they want.
The zeroes and ones whirl and whirl
A billion times and look like stationary whirlpools
The trick is like this .
The perfect zeroes or ones
Emerging at the front door of the logic gate
Are again fed at one of the two doors on the back wall
The zero or one stops there
Till the computer engineer gives a command
To make it proceed further.
A group of eight or sixteen flip flops in a row
Form complicated circuits called “registers”
The “registers” are among the most important basic parts
Which created the modern computer.
The registers– there is a great variety of them–
Are just like highly trained office clerks
Each is trained to perform a specific job
In a most perfect way
Scores of clerks working together
Constitute an office or bank
Similarly scores of registers constitute a processor
Like the “arithmaticand logic unit “
Or the ALU in short..
Let us learn how a register works.
The eight bit or sixteen bit codes
Of numbers filling a register
Are detained and checked
. The bit string representing a number
Stops for a millionth of second in a register
To be examined and directed to destination.
(But even that much detention is rather too long)