A computer is an electronic machine that performs calculations based on a set of instructions.
The first computers were huge, room-sized machines that took teams of people to build, manage, and maintain. The computer systems of today are exponentially faster and only a fraction of the size of those original computers.
TYPES OF COMPUTER
a. Super computer: Is most power full available. This computer is high capacity, computer that run continuously and being use by big organization big corporation and big government institutions. User of computer include NASA and US government some big school companies.
b. Main frame computer: Less power full computer than super computer but capable to great processing speed, multitasking capability and high data storage. They are most used in bank to process information of depositor and millions of daily transactions.
c. Mid- range computer / Minicomputer: Are used in medium sized of companies for specific purposes. They may be used in for certain assembly line operations or manufacturing stage in a big companies
d. Microcomputer: Are most common and widely used computer today. There are two types which are desktop computer and notebook (laptop) computer.
e. Tablet personal computer: Is a fancy notebook that has a swivel design and can accept handwriting using digital pen.
f. Handheld computer: Are smallest computer that are designed to fit in one hand or palm that is why they are also called palm-top computers. This computers combine pen input personal organizer tools and command
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