Monday, 28 November 2011

Hardware Components


·   Central Processing Unit  


·   The processor is your computers brain. The processor tells your computer what to do and when to do it and does all your calculations for you.

·   The CPU core speed is actually 2.65GHz (133MHz x 20 Core/Bus Ratio


·   Memory - RAM & ROM

·   Random Access Memory is a form of computer data storage.

·   Read Only Memory is data that is stored on the ROM and cannot be modified or removed.


·   Storage Devices

·   A Data Storage Device is a device for recording, storing data.

·   DVD / CD ROM
·   Flash Drive / Memory Stick
·   Hard Disk Drive 



·  DVD & CD ROM

·  CD-ROM is an adaptation of the CD that is designed to store computer data in the form of text and images as well as sound.

·  DVD is short for (Digital Video Disc) a type of optical disk similar to the CD-ROM. A DVD holds a minimum of 4.7 GB of data that's enough for a full length movie.

Memory Stick & USB Pen


·  Memory Stick is a type of flash memory developed by Sony. It is used to store data for digital cameras, camcorders, and other kinds of electronics. 

·   A USB flash drive is a data storage device that consists of flash memory with an integrated Universal Serial Bus (USB) USB flash drives are removable and rewritable, and in size much smaller than a floppy disk.

















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