Peripherals

Peripherals

1. input devices

   • Keyboard
   • mouse
   • webcam
   • microphone
   • joystick

2. Storage devices

   • advantages: Save space on the computers hard drive. Transfer files physically from one device to another. To share files with other users. To back up data in order to protect against damage or loss. Are know as I/O devices because they facilitate input and output of data into the system
   • external hard drive
     • advantages: Large storage capacity Compatible with a range of devices Fast storage and reliable storage (compared to magnetic)
     • Disadvantage: Not as portable as memory stick Still moderately expensive
   • USB flash drive
     • Advantage: Very portable Reliable storage Widely compatible Relatively low cost
     • disadvantage: Easily lost Not comparable to the capacity of external hard drive
   • SD card
     • Advantage: Small and compact for use with cameras and mobile phones
     • Disadvantage: Small and compact for use with cameras and mobile phones
   • optical disk
     • Advantage: Cheap storage Some formats can be rewritten
     • Disadvantage: Cheap storage Some formats can be rewritten

3. output deviecs

   • printers
     • Replicates text and images using instructions received from a connected digital device. 3D printers are capable of creating 3D replicas from a variety of substances using received instructions.
   • monitors
     • Visual display of the software and or data that is being accessed. Vital for a user to interact with a computer system as they allow the user to see the data that is being used.
   • projectors
     • Project the software and or data that is being accessed onto a white or silver screen,
   • speakers
     • A sound card converts digital signals into analogue which are then converted to sound waves by the speakers.