ICT Revision

Anotações:

• Bar Codes

1. Bar Code
   1. Advantages
      1. Stores specific data (Product code, manufacturer and price details)
      2. Cheaper to operate
   2. Disadvantages
      1. Needs Bar Code scanner to read
      2. Can get damaged easily
      3. Has to be manually scanned all the time
2. RFID Tags
   1. Advantages
      1. Tracks Parcels more accurately
      2. Can be scanned remotely
      3. Holds much more information than bar codes
      4. New stock is ordered before it runs out
   2. Disadvantage
      1. More expensive to run
3. Data Protection Act
   1. Be fairly and lawfully processed
   2. Be processed for limited purposes
   3. Be adequate, relevant and not excessive
   4. Be accurate and up to date
   5. Not kept longer than Is necessary
   6. Be processed in line with your right
   7. Be kept secure
   8. Not be transferred to other countries to EU that do not have adequate data protection
4. Input Devices
   1. Keyboard
   2. Mouse
   3. Microphone
   4. Keypad
   5. Touch pad
   6. Remote control
   7. Scanner
   8. Bar code reader or scanner
   9. Chip and Pin reader
   10. Magnetic stripe reader
   11. MIDI
   12. Sensors
   13. Camera
5. Output Devices
   1. Monitor
   2. Printer
   3. Plotter
   4. Accutors
   5. Speakers, earphones, and headphones
   6. Data or digital Projector
6. Storage Devices
   1. Hard Disk drives (HDD)
   2. Enter text here
   3. Optical Device
   4. Flash Memory devices
   5. Cloud Storage
7. Connectivity Devices
   1. Network card (NIC)
   2. Wireless network card
   3. Router
   4. Modem
   5. Wireless access point
8. Remote Working
   1. Enter text here