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- 1Dot-matrix PrintersUsed for multipart stationery.
They can print very quickly, use continuous stationery and are usually used in industrial institutions with high volumes of printing. - 2PlottersThey use pens that move across the paper to draw a detailed and accurate image.
Mostly used to print larges ized technical drawings, though smaller versions are available for drawing graphs.
- 3Types of optical storageCD-ROM: read only
CD-R: write once then read only
CD-RW: read and write many times - 4Main functions of system softwareManaging memory when the computer is carrying out more than one task.
Allocating processor time
Controlling where data is stored on the disk
Controlling I/O devices
Handling and displaying errors
System security, user and file permissions - 5Bitmap Software
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- AS - Level ICT Flashcards on Untitled, created by Patricia Olivia on 26/05/2016.
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- Patricia Olivia
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