GCSE ICT Digital Devices

GCSE ICT Digital Devices

1. Mobile Phones

   • Connections
     • 3G / 4G (Internet)
     • GPS (Global Positioning System)
     • NFC / Bluetooth
   • Features
     • Email
     • Phone / SMS People
     • Internet
     • Apps / Social Media
   • Security
     • Biometric / Fingerprint
     • Passcode
     • Remotely Wipe

2. Personal Computers

   • Storage Devices
     • SD Card
     • Hard Drive
     • Flash Storage
     • Solid State Drives
     • PCI Memory
     • CD
     • USB
   • RAM - Random Access Memory
     • Caches temporary data that is accessed randomly
     • Very fast but expensive for large quantities
   • CPU - Central Processing Unit
     • Multicore, measured in GhZ
     • Core of any system
   • GPU - Graphic Processing Unit
     • Uses GDDR Memory
     • Used for rendering / processing graphics
   • PSU - Power Supply Unit
     • Provides power to the system

3. Cameras and Camcorders

   • Lens
     • Higher Megapixel allow for bigger resolution
     • Works by letting light in
   • Features
     • GPS for Geotagging
     • Allow high quality pictures and video to be taken
     • Built in WiFi for instant sharing to social media
     • SD Cards for Storage

4. Games Consoles

   • Pros
     • Easy to set up
     • Cheap
     • Universal
     • 1 Component
   • Cons
     • Not easily upgradable
     • Not easily portible
     • Expensive to fix, usually require sending away

5. Home entertainment systems

   • TV's
     • Measured in inches
     • HD (1080P / 720p)
     • Smart TV's include WiFi
   • Allow music / CD's to be played back
   • Projectors, surround sound, blu-ray

6. Media Players

   • Long battery life
   • Hold lots of media
   • Simple GUI / UI's
   • Create playlists
   • Image format - PNG, JPG, GIF
   • Portable