help電腦科功課(15點!!!!)

Keyboard =Input device input data to computer

CRT Monitor =Out put data and information/Mulitmedia output (Graphic)

LCD Monitor =Out put data and information/Mulitmedia output (Graphic)

Optical Mouse=control the mouse point to operate OS

Speaker=Mulitmedia output (Sound)

Writng Pad= data input by use hand writing widely use for Chinese Charter input

Scanner=input device input data or graphic to the compute
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Laser Printer=Output device print out data or document for further use Normally use by business company.

Ink-jet Printer=Output device print out data or document/photo for further use . Normally use at home & photo print out

CD-ROM=Storeage device Compact Disk Read Only Meonry. Use to st0re data for back up or data transfer/entertainment. Capacity is 650M.
Data cannot be erase after writing or burnning to the cd-rom

CD-ROM Drive=Input device Use to read the data contained in the cd-rom and loading it to the computer for further operation.

DVD-ROM=Storeage device. Digirtal Video Disc Read Only Meonry Use to st0re data for back up or data transfer/entertainment Capacity is
4.7G same as cd-rom once data was wrote or burned to the cd-com data can not be erase

DVD±RW Drive=Storeage device. Digirtal Video Disc Rewrite Drive. Beside the reading function, the device can burn data to the DVD+/- disc
for storeage. Another function is data can be erase from the disc if those data was stored in a DVD+/- rewrite disc.

Multi-card Reader= Input device. Can reading data from various storeage card from Compact Flash card, XD, SD, etc.

Floppy disk FDD=Storeage media second generation storeage media. The size of fdd is 1.44" and capacity is 740M.