Essay by mosinCollege, UndergraduateF, April 2006

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RAM: Random access memory (RAM) is the best known form of computer memory. RAM is considered "random access" because you can access any memory cell directly if you know the row and column that intersect at that cell. (storage device)

ROM: Read-only memory (ROM), also known as firmware, is an integrated circuit programmed with specific data when it is manufactured. ROM chips are used not only in computers, but in most other electronic items as well. In this edition of HowStuffWorks, you will learn about the different types of ROM and how each works. This article is one in a series of articles dealing with computer memory, including: (Storage device)


In a personal computer (PC), the power supply is the metal box usually found in a corner of the case. The power supply is visible from the back of many systems because it contains the power-cord receptacle and the cooling fan.

CD-ROM: A CD-ROM (Compact Disk Read Only Memory) is a drive which reads aluminium-coated round plastic discs however does not write to the discs. (storage device)

HARD DISK DRIVE (HDD): The hard disk drive or hard drive is the main location which all data is stored. Most hard disk drives consist of spinning platters of aluminium, glass or ceramic that is coated with a magnetic media. (Storage device)

FLOPPY DISK DRIVE: The floppy reference is derived from the floppy media that is encased within the protective casing. This media is a magnetic medium and is written to much like the method used by hard disk drives.(Storage device)

MONITOR: Monitor, display, animate or print to your printer over 200 default space-weather related Internet resources, in real-time. (Output)

MOTHER BOARD: They are essentially printed circuit boards (housing the computer's basic circuitry and vital components), into which other...