ComputerBasics_Jul21_06

ComputerBasics_Jul21_06 - Computer Basics Types of...

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Computer Basics
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Types of Computers These terms vary considerably, but we can say: 9 Supercomputer 9 Mainframe 9 Personal computer (PC) - desktop or laptop 9 Workstation 9 Network appliance 9 Handheld But these lines can be blurred. Is a 3 GHz Pentium 4 desktop computer a PC or a workstation?
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Hardware and Software 9 Hardware : The cabinet, power supply, internal processor, disk drives, memory, etc., all comprise the hardware of the computer, and are getting smaller and cheaper. 9 Software : The programs written for the computer which instruct it to perform certain operations are called software, and software is getting bigger and more complex all the time, requiring more and more hardware resources.
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9 Microprocessor (CPU) The central processing unit is the “brains” of the computer. Consists of the arithmetic logic unit (ALU) and the control unit (CU ). 9 Memory Where both data and instructions are stored . 9
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ComputerBasics_Jul21_06 - Computer Basics Types of...

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