Flashcards
Input, Output and Storage
Cards in this deck (5)
- 1Input DevicesAllow data to be entered into a computer
- 2Output DevicesAllow information to be retrieved from a computer
- 3Magnetic Storage- Uses a magnetisable
- Patterns of magnetisation are then used to represent binary sequences
-Hard disk drives and magnetic tape
- Magnetic storage tends to have high storage capacity at a low cost. - 4Optical Storage- CD's, DVD's and Blu-ray discs
- Uses a laser and by looking at its reflection, determining where there are pits on a surface representing 1s and 0s
- Cheap to distribute and fairly resilient - 5Flash Media- Uses a special type of ROM that can be overwritten
- Used in USB memory sticks, camera memory cards and solid state drives
- Expensive
- Fast read/write speeds
- No moving parts, lower power consumption and is unaffected by sudden movements.
Information
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- AS - Level Computing (Component 1) Flashcards on Input, Output and Storage, created by Lewis Hunt on 01/06/2016.
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- Lewis Hunt
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