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System Unit Components. Group 3 Agaalofa Filimino Harota Fruean Rubysina Maea. The system unit is the main part of a personal computer system, containing the components necessary for processing information.

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System unit components
System Unit Components

Group 3

AgaalofaFilimino

Harota Fruean

RubysinaMaea


The system unit is the main part of a personal computer system, containing the components necessary for processing information.

  • There are 8 component of a computer system unit– CPU , motherboard, PCI expansion clot, Power supply , Memory slots, AGVP video card, hard drive and CD drive.


CPU system, containing the components necessary for processing information.

  • The CPU, or Central Processing Unit performs the calculations and logic functions of the computer. CPU's only perform the most basic of functions, such as adding the contents of a memory location to the contents of a CPU "register", or comparing the contents of one register to the contents of another register and "jump" on a specified condition such as "equal to", "greater than" or "less than". CPU's are also able to initiate transfer of large blocks of data, read or write data to/from peripheral devices, and in general, watch over system functions. Of course, this is an oversimplification of the power and function of the CPU, but it gives you an idea of what is going on. CPU's have the capacity to perform many low level functions that are enhanced when added together into an application. If done correctly, the entire process is transparent to the user and all you see is a well designed application. The heat sink and the CPU needs a fan to cool them off.


Motherboard
Motherboard system, containing the components necessary for processing information.

  • The motherboard is a printed circuit board (PCB) that contains and controls the components that are responsible for processing data. A motherboard provides the electrical connections by which the other components of the system communicate it also contains the central processing unit and other subsystems such as real time clock, and some peripheral interfaces.


Pci expansion slot
PCI system, containing the components necessary for processing information.ExpansionSlot

  • PCI (Peripheral Component Interconnect) is an interconnection system between a microprocessor and attached devices in which expansion slots are spaced closely for high speed operation. Using PCI, a computer can support both new PCI cards while continuing to support Industry Standard Architecture (ISA) expansion cards, an older standard.


Power supply
Power Supply system, containing the components necessary for processing information.

  • The power supply unit converts power that is provided by the outlet which enters usable power for the many parts in the computer cabinet. The power supply is located in the back of the box computer.


Memory slots
Memory Slots system, containing the components necessary for processing information.

  • It allows chip or stick to enter the computer. The memory slot depends on the motherboard, it can get up to two or four memory slots. It is also called RAM—random access memory. There SDRAM(Synchronous Data RAM) and DDRAM(Double Data Rate RAM) for desktop computers and SODIMMRAM(Dual-In-Line-Memory-Module RAM) for laptops. They all have different types of speeds. The picture below is an example of memory slots or random access memory (RAM).


Agvp video card
AGVP Video Card system, containing the components necessary for processing information.

  • A video card is an internal component that connects your motherboard to your monitor. It is usually plugged into your motherboard, and has a connector at the rear of your computer to plug in your monitor. Sometimes the video card is built-into the motherboard, but it serves the same purpose. A video card with high memory will improve the speed of your computer, as it will be able to show images on screen faster than a slower one - meaning that the computers CPU can concentrate on other things. If you have a video card with 64MB RAM (memory) for instance, it will run AVI movies pretty well full-screen. A video card with only 16MB will be very 'sticky' and might not play the film at all. You need some form of video card in your computer or you won't see anything on the screen.


Hard drive
Hard Drive system, containing the components necessary for processing information.

  • The hard disk drive uses a mechanism that reads and writes data on a hard disk. Nearly every computer contains one or more hard disks. The purpose of the hard disk drives is that they give computers the ability to remember things when the power goes out. A typical desktop machine will have a hard disk with a capacity of between 10 and 40 gigabytes. Data is stored onto the disk in the form of files.


Cd drive
CD Drive system, containing the components necessary for processing information.

  • A Cd drive accesses the data on the CD rom.


Thank you for watching our slide show
Thank You For Watching Our Slide Show system, containing the components necessary for processing information.

  • We hope that you understood all the 8 main parts of the system components and the way they function. Hope that we explained it clearly , loudly , and productively for you. Thank you very much , God Bless You All ( =


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