Tuesday, 21 September 2010

Functions of Interfaces!

Buffy Does Crack!!

Buffering! - temporary storage of Data


D (DtoA!, AtoD!) - Data Conversion
Digital to Analogue, Analogue to Digital

C - Compensating for differences in speed of processor and peripherals!

Different features of Comparison

PPM (Pages Per Minute) Speed, DPI (Dots Per Inch, Resolution, Print Quality) Price, Speed of Data Transfer, Clock Speed

Inkjet V Laser
Laser are generally faster (higher PPM)
Inkjet usually better quality prints
Inkjet sprays ink onto page, Laser uses toner and an actual laser!
Inkjet is noiser! Laser prints come out warm because of heater to dry the toner!

Backing Storage Devices in size order
Floppy Disk
CD-ROM
Flash Drive
USB Pen Drive
DVD-ROM
Magnetic Tape
Hard Drive

Monitor Types
CRT - Cathode Ray Tube
LCD - :Liquid Crystal Display
TFT - Thin Film Transistor

No comments:

Post a Comment