Computer Science revision 0.0 / 5 ? ComputingComputer systemsGCSENone Created by: Owen1-2-3Created on: 15-10-18 10:55 Capacity How much data can it store? 1 of 20 Reliable How consistently does it perform? 2 of 20 Speed How fast can it access the data? 3 of 20 Portability How easy is it to move from one place to another? 4 of 20 Durability How well does it last? 5 of 20 Cost How much is it per KB,MB or GB? 6 of 20 Cost (Optical Storage) Cheap if less than 10 GB. Expensive if TB needs to be stored. 7 of 20 Durability (Optical Storage) Easily scratched. 8 of 20 Speed (Optical Storage) Slow to write and much slower than hard disc to access. 9 of 20 Reliability (Optical Storage) Reliable.Has to be looked after. 10 of 20 Capacity (Optical Storage) 5-50 GB. 11 of 20 Portability (Optical Storage) Optical media (such as DVD's,Blu-Rays) are easily transferred. 12 of 20 Server A server is a computer program that manages access to a resource in a network. 13 of 20 Hub Hubs are a piece of hardware that connects computers to the same network. 14 of 20 Wireless Access Point A Wireless Access Point transmits data without being connected with wires. 15 of 20 Fibre Optics Cable A Wireless Access Point transmits data without being connected with wires. 16 of 20 Router A router is a device that transfers data packets from one network to another. 17 of 20 Switch A switch allows computers to be linked together.It does not broadcast every data packet so the security is increased. 18 of 20 Network Interface Card A network interface card is away of telling connected devices apart from one another. 19 of 20 Ethernet Cable Ethernet Cables are used to network hardware used to connect one network device to another to share devices like printers. 20 of 20
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