What are the three directions in which computer developed?

The three directions of computer development are:


1.Miniaturization


2.Speed


3.Affordability




Miniaturization deals with minimization of computers.( Smaller than normal)
The miniaturixed processor or microprocessor, in personal desktop today can perform calculations that once required a computer filling an entire room.


Speed = Because of miniaturization, more between components are introduced into computer, providing faster processing speeds and more data storage capacity.


Affordability = Todays microprocessors are affordable when compared to the cost of processors 15 years ago.




The development of computer generations was due to invention of an electronic device


At 1st Generation computer:


ENIAC (electronic numerical integrated and calculator)


Used VACCUM TUBES (an electronic device) to store data in it. Drobage – large, expensive, difficult to maintain , more power consumption


At 2nd Generation computer:


Computer entered into 2nd generation with an invention of electronic device-transistors.


Several vaccum tubes were able to accommodate in small, fast, reliable, transistor


A transistor is a small device used as a gateway to transfer electrical signals along predetermined paths (circuits).


At 3rd Generation computer:


The development of 3rd generation of computer was due to another electronic device –tiny integrated circuits (IC’s).


Again, several transistors were accommodated in tiny integrated circuit (IC).


IC’s are entire collection of electrical circuits or pathways that are now etched on tiny squares (chips) of silicon half the size of your thumbnail


At 4th Generation computer:


The development of 4th generation of computers was due another electronic device –microprocessor


Again, several IC’s were accommodated in a single microprocessor chip made up of silicon.


The miniaturized processor or microprocessor in personal desktop today can perform calculations that once required a computer filling entire room.


At 5th Generation computer:


The introduction to fifth generation of computers was not due to any electronic device.


Instead, the development of fifth generation of computer was based on “HUMAN BEHAVIOR” as “ ARTIFICAL INTELLIGENCE”.