Tech or technology has been changing ever since man invented it. One of the biggest mankind technology invention is a computer. Computer helps process informations according to instructions set on it. Computer has surely changed over years and it will most likely keep on changing. Computers during its beginning has a size as large a a small room. It used a lot of energy power. Now the things have changed. Our new modern computers use very small integrated cable and circuits that makes if far more efficient than it used to be.

Small computers now a day can be made size small enough to fit into a small box. It can even run on a small low powered battery. Personal computers are helping the formation of a newinformation age. PC is the type of computer that everybody now a days seem to own one. The price can range from $300 to over few thousand dollars per pc computer. Most common type of computers being used today are embedded computers. They are small and simple. They help control other machines. Embedded Computers can be found in devices like military aircraft to industrial robots, digital cameras, and even children's toys.

Computers are classified by the size and power: Personal computer or PC are small, single-user computer that uses tiny microprocessor. PC has a keyboard for entering data, a monitor for displaying information, and a storage area for saving files and data. workstation computer are bit more powerful even though it is still a single-user computer. A workstation is like a personal computer. The only difference is it uses powerful microprocessor and a higher-quality monitor. minicomputers ar multi-user computer capable of supporting from 10 to hundreds of users simultaneously. mainframe computers are multi-user computer that are powerful enough to be able to support many number of users at the same time. supercomputer is an extremely fast computer. it is expensive and is capable of performing millions of instructions in a fraction of a second.

What are the components of a computer? Well, computers need memory, storage, input and output device, and central processor. Memory of the computer helps with story the task performed. The memory can a temporary data and programs. Computer's mass storage device is where computer is able to permanently keep the large amounts information datas. Most of the common storage device are like disk drives such as C Drive, D Drive and E Drive that you see on you computer when you open the Computer folder.

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