Computer Systems

Desktop
1. USES
  1. Web searching, email
  2. Running applications in home and office
2. ADVANTAGES - USUALLY HAVE
  1. More internal memory
  2. More hard disk space
  3. Faster processors
  4. Better graphics processors
  5. Larger monitors
3. DISADVANTAGES - USUALLY HAVE
  1. Fixed position
  2. Larger physical size/take up more space
  3. Too heavy to carry about
Laptop
1. USES
  1. Same as desktop
2. ADVANTAGES
  1. Small/light weight
  2. Portable
  3. Usually connects to the internet via wireless
  4. Can be used anywhere
3. DISADVANTAGES
  1. Easily lost, broken or stolen
  2. Small screen or keyboard can lead to health issues for user
  3. Specification is not as high for desktops costing the same amount of money
  4. High specification laptops are expensive and not as portable
  5. No built in mouse
Netbook
1. USES
  1. Same as laptops
2. ADVANTAGES
  1. Same as laptops
3. DISADVANTAGES
  1. Same as laptops
  2. But even smaller in size
  3. Limited specification
Embedded
1. USES
  1. Used in domestic and industrial appliances
2. ADVANTAGES
  1. Perform one task, e.g. running a microwave cooker
  2. Main instructions cannot and do not need to be altered by user
  3. User can input simple instructions, e.g. wash temperature
Smartphone
1. USES
  1. Mobile telephones with computer facilities
2. ADVANTAGES
  1. Same as laptops
  2. Can connect by 3G, 4G and WiFi
3. DISADVANTAGES
  1. Same as laptops
  2. Even smaller in size
  3. Limited specification
  4. Have non-standard operating systems
MAINFRAME + SUPERCOMPUTERS
1. USES
  1. Large and very fast computers used in banks, insurance firms and unis
2. ADVANTAGES
  1. Can process very large amounts of data quickly
  2. Very fast calculations
3. DISADVANTAGES
  1. Expensive
  2. Take up a large amount of space

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Computer Systems

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