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Computer Components - created from Mind Map
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Processor/CPU
Motherboard main printed circuit board sockets where RAM,ROM, expansion cards are connected to other parts of the computer
Hardrive used to read and write to a hard disk
Internal memory storage device inside computer case e.g. hard disk
SAS transmits data serially one bit at a time along a single wire
SCSI small computer system interface
Cloud Storage holds digital data stored in logical data pools e.g. dropbox
USB universal bus connector links devices to PC or laptop
SATA serial advanced technology attachment wire used to connect hard drive to motherboard
Network port physical ports connects to modems, routers or local network
Fibre Channel high speed network connects computer data storage to servers
RAM random access memory stores instructions. Volatile loses data once device is switched off
Central Processing Unit controls actions of the computer. Manages all hardware actvities receives instructions. The computer's "brain"- performing calculations and managing hardware components
Fetch>Decode>Execute
Solid state no moving parts stores data with flash memory
storage device small lightweight removable and rewritable. Consists of small printed circuit board encased in plastic or metal casing e.g. USB, SD card
ROM read only memory used for booting up a programme. In-volatile keeps instructions even when device is switched off
Cache fast memory in CPUexpensive form of memory speeds up the way the application works e.g. Google chrome cache stores all web pages visited recently so that next time you visit the page will load quickly
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- A level IT Notas sobre Computer Components - created from Mind Map, criado por Ravi Nakrani em 19-04-2017.
- Criado por
- Ravi Nakrani · abr 2017
- Atualizado
- 19 abr 2017
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- Criado por Ravi Nakrani · 19 abr 2017
- Copiado para Nota por Ravi Nakrani · 19 abr 2017
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