Mind map
Computer Science 1.1.3
Map content
Computer Science 1.1.3
I/O devices
- Input
- keyboard
- Mouse
- Webcams
- Magnetic strip readers
- Barcode readers
- Output
- Speakers
- Printers
- Projectors
- Both
- Touch screen
- Performance factors
- Speed
- Capacity
- Cost
- Relevance
- Uses of storage
- Types of storage and their uses
- Optical devices
- read from and written to using lasers
- represented by portions that reflect or scatter the laser
- Pits
- Scatter light
- Represent 0's
- Lands
- Represent 1's
- Reflect light
- Pits
- represented by portions that reflect or scatter the laser
- CD (compact disc)
- most commonly used for audio files
- can also be used for text and digital images
- easily scratched and damaged
- Slow transfer speeds
- most commonly used for audio files
- DVD / Blu-Ray
- Higher storage than CDs
- Blu-Rays have the highest storage capacity
- Commonly used for videos
- Higher storage than CDs
- read from and written to using lasers
- Optical devices
- Types of storage and their uses
- Input
Information
- Description
- A-Level Computer Science Mind Map on Computer Science 1.1.3, created by Dan Howe on 11/11/2019.
- Created by
- Dan Howe
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