GCSE > Computer Science > OCR > GCSE Computer Science > COMPUTER SYSTEMS: Computer systems > Types of computer system
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COMPUTER SYSTEMS: Encoding and compression

COMPUTER SYSTEMS: Network topologies

COMPUTER SYSTEMS: Wired and wireless networks, protocols, and layers

COMPUTER SYSTEMS: Threats to computer systems and networks

COMPUTER SYSTEMS: Operating systems and utility software

ALGORITHMS AND PROGRAMMING: Types of data

ALGORITHMS AND PROGRAMMING: Producing robust programs

ALGORITHMS AND PROGRAMMING: Designing, creating, and refining algorithms

ALGORITHMS AND PROGRAMMING: Artificial Intelligence (AI)

  • General purpose systems: computer systems that can perform a wide range of tasks (e.g. PCs, Macs, tablets, smartphones).
  • Dedicated systems: computer systems that are designed to perform a specific function (e.g. printers, WiFi routers). 
  • Embedded systems: computer systems built into another device to support its function (e.g. computer systems in washing machines and dishwashers).
    • Embedded systems are primarily intended to monitor and control the various components in the host device (e.g. a dishwasher requires this computer to keep track of water temperature and pressure, washing programs, and timings).
    • These systems are beneficial because their limited range of tasks make them cheap to produce, energy efficient, and very reliable. However, they are only designed to perform specific tasks and are hard to update once manufactured.

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