Computer and Cd Rom

Topics: Computer, Computer data storage, Personal computer Pages: 2 (662 words) Published: January 30, 2015
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Cache memory: Cache memory is fast memory that is used as a data buffer it buffers data between the CPU and RAM. Cache memory acts as a buffer, holds data the CPU will need, like things that are used a lot. Cache memory makes up for the mismatch of speed between the CPU and RAM. BIOS: Bios stands for (Basic Input Output System) it is a collection of software utilities that form part of the operation system. The BIOS makes sure the components that all components are working properly it tests them all in the boot up and make sure it is properly connected. IDE Controller: An IDE controller is an interface what allows the hard drive to communicate with the motherboard; it is also a parallel device. SATA controller: A SATA controller is a more modern version the IDE controller accept it is a serial device. Power supply: A power supply is the power of the computer for example you need this to power up all of the components this is the main component you need to power everything up. Ports: Ports are connections on the outside of the computer base they are used to connect different types of input and output devices for example a keyboard, mouse, speakers and a computer screen. FAN: A fan is what is attached to the computer and it used to keep all off the components from overheating. Heat sink: A Heat sink is used to keep the CPU cool for example you would have the CPU attached to the motherboard Motherboard: A Motherboard controls movement of data between the CPU, Memory, Storage, input and output devices. Also a motherboard has a North bridge and South Bridge. The Northbridge is for fast CPU, memory and graphics mostly used for multimedia and gaming. The South Bridge is slower than the North Bridge and used in a lower end PC, Also a Motherboard can require cooling. CPU: A CPU is the central processing unit what controls the whole computer; The CPU has 2 major manufactures AMD or Intel. Also the CPU can have multiple cores instead of one, some CPU’s require...
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