Computing - Computing Hardware
- Created by: zzaakkiiyyaa
- Created on: 11-04-16 11:55
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Clues
- CD and DVD. Used to distribute programs, video or data that is read only. Use light from lasers to detect reflections from the surface of the data area. Inexpensive and robust. (7, 5)
- Fast memory located very close to the main CPU. Relatively expensive compared with the standard RAM. Faster than main memory. (5, 6)
- Input device. Radio frequency identification. The number looked up in a database much like a barcode scanner. (4, 6)
- Input device. Used in tablets, mobiles, kiosks, supermarket checkouts etc. Touch pad is earlier alternative. (5, 6)
- Input device. Used to identify items in a database. (7, 7)
- Most widely used second storage device. Reliable, cost effective. Stores operating system, installed apps and users' data. (8, 4, 4)
- Removable memory. Constant writing and re-writing can causes deterioration and failure so limitations are there. Low cost, portable, removable storage. Solid state. (5, 6)
- Retain information programmed in by the manufacturer which makes it non-volatile. Stores boot sequence. (3, 4, 4, 6)
- The area of the hard disk used for temporary storage of data from the main memory. This slows down computer speed as CPU is moving data around more rather than processing it. (7, 6)
- The central printed circuit board that holds the crucial components of the system (11)
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