Computer Systems, Input, Output and Storage Devices
What you need to know:
The different types of computer systems, input and output devices and how they work, the different types of storage found in computer systems.
Background reading: Blue book Chapter 3. Pages 45 to 91
The different types of computer systems, input and output devices and how they work, the different types of storage found in computer systems.
Background reading: Blue book Chapter 3. Pages 45 to 91
Types of Computer System
- Supercomputers
- Mainframes
- Desktop Computers
- Mobile Computers
- Embedded Systems
Analogue and Digital data
Input Devices - what they are and how they work
- 2D and 3D scanners - 2D HowStuffWorks - 3D Geoform
- Barcode readers - Link
- Digital Cameras - HowStuffWorks
- Keyboards and mice - Keyboard - Mouse
- Touch Screens - HowStuffWorks
- Microphones - Link
Output Devices - what they are and how they work
- Inkjet printer
- Laser printer
- 3D printer
- 2D and 3D cutters
- Loudspeakers and headphones
- Actuators
- Display screens
Storage devices, Memory and Storage media
- Primary storage (RAM and ROM)
- Secondary storage (Hard disk and Solid state drives)
- Removable storage (CD, DVD and USB drives)
- Calculating the storage requirement of a file
