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Elementary parts of the computer
A computer is a machine that works on two set of principals. Firstly, it responds to a specific set of instructions in a well defined manner and secondly, it can execute a prerecorded list of instructions.
Modern computer can be divided into two categories: hardware and software, and both should not be confused. The elementary parts of the computer are the motherboard, processor, RAM, hard drive, video adapter and power supply. You need all these parts to build a basic computer.
Motherboard - It is the most important part of a computer. Every other computer part connects to the motherboard. If motherboard stops working, none of the other aprt will either.
Processor - All the processing of information takes place in the computer processor. It is considered to be a computer's brain. This part of the computer tells what it processes to do. When you are working on your computer parts, checklist before you go for purchasing your PC,[link widoczny dla zalogowanych], take into consideration,[link widoczny dla zalogowanych], that you choose a processor with a high frequency.
RAM - The Random Access Memory of your computer is the primary memory of your PC. This is often also referred to as the main memory of your computer. It reads and writes data. While your computer is on, RAM can remember information. Once you turn off your PC,[link widoczny dla zalogowanych], any information stored in it would be erased. The more RAM your PC has, the faster it can run.
Hard Drive
All the information that you want to store in your PC is stored in the hard drives. Unlike RAM, it remembers information. The computer hard disks can be broadly classified into two types, SATA hard disks and PATA hard disks. The SATA hard disk is a serial device,[link widoczny dla zalogowanych], while a PATA hard disk is a parallel device. SATA hard disks are faster than PATA. By faster, it means that information can be stored and accessed from the computer at a very high speed.
Computer Monitor
A computer monitor is an output device. There are basically two types of computer monitors, LCD monitors and CRT monitors. Both types produce sharp images, but LCD monitors have the advantage of being much thinner and lighter. CRT monitors, however, are generally more affordable.
Computer Printer
This is a printing device through which you can print out hard copies of documents. Computer printers do not cost much nowadays. A laser printer gives you high performance as well as good quality hard copies of your documents at a very fast speed. So, if you are going to purchase a printer for your computer, try to get a laser printer.
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