10 Types of Computers.doc

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Types of computers
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  10 Types of Computers 1. PC The personal computer (PC) defines a computer designed for general use by a single person. While a Mac  is a PC, most people relate the term with systems that run the Windows operating system. PCs were first known as microcomputers  because they were a complete computer but built on a smaller scale than the huge systems in use by most businesses. 2. Desktop  A PC that is not designed for portability is a desktop computer. The epectation with desktop systems are that you will set the computer up in a permanent location. !ost desktops offer more power, storage and ersatility for less cost than their portable brethren. 3. Laptop   Also called notebooks , laptops are portable computers that integrate the display, keyboard, a pointing de ice or trackball, processor, memory and hard dri e all in a battery#operated package slightly larger than an a erage hardco er book.  4. PDA Personal $igital Assistants (P$As) are tightly integrated computers that often use flash memory instead of a hard dri e for storage. These computers usually do not ha e keyboards but rely on touchscreen technology for user input. P$As are typically smaller than a paperback no el, ery lightweight with a reasonable battery life. A slightly larger and hea ier ersion of the P$A is the hanhe! computer  . . #orkstation The fifth type of computer is a workstation. A workstation is simply a desktop computer that has a more powerful processor, additional memory and enhanced capabilities for performing a special group of task, such as %$ &raphics  or  game de elopment. $. %er&er   A computer that has been optimi'ed to pro ide ser ices to other computers o er a network. er ers usually ha e powerful processors, lots of memory and large hard dri es. The net type of computer can fill an entire room. '. Mainframe n the early days of computing, mainframes were huge computers that could fill an entire room or e en a whole floor*  As the si'e of computers has diminished while the power has increased, the term mainframe has fallen out of use in  fa or of enterprise ser&er  . +oull still hear the term used, particularly in large companies to describe the huge machines processing millions of transactions e ery day. (. Minicomputer   Another term rarely used anymore, minicomputers fall in between microcomputers (PCs) and mainframes (enterprise ser ers). !inicomputers are normally referred to as mi)ran*e ser&ers  now. +. %upercomputer  Chung ung#-un&etty magesThis type of computer usually costs hundreds of thousands or e en millions of dollars. Although some supercomputers are single computer systems, most are comprised of multiple high performance computers working in parallel as a single system. The best known supercomputers are built by Cray upercomputers 10. #earab!e Computer  -unko /imura  &etty magesThe latest trend in computing is wearable computers. 0ssentially, common computer applications (e#mail, database, multimedia, calendarscheduler) are integrated into watches, cell phones, isors and e en clothing* 1or more information see these articles on computer clothing, smart watches and fabric PCs. Reference: http://computer.howstuffworks.com/10-types-of-computers1.htm
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