ICT GCSE Edexcel Chapter 1 - Living in a Digital World - Mobile Phones

Created by: Caitlinyx
Created on: 18-04-13 18:58

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Chapter 1 - Living in a Digital World - Mobile Phones
- Multifunction Phones/Smart Phone Features
  - GPS
    - Global Positioning System
  - WiFi
  - Games
  - Bluetooth
  - 3G
  - Touchscreen
  - Alarm
  - Email
  - Camera
  - Radio
  - Calculator
  - Memo
- When choosing a phone you should look at...
  - Picture resolution
    - The quality and ddetail that can be seen on the screen of the mobile. The higher the resolution, the better the resolution.
    - Measured in pixels
  - Camera resolution
    - The amount of detail the camera can take in one picture. The higher the resolution, the better the image and the bigger the size of the file
    - Measured in Mega-Pixels (MP)
  - Storage Capacity
    - The amount of internal memory the phone has to store images, videos etc
    - Measured in gigabites (GB)
  - Memory Card
    - A secondary storage device that is used to back up, store and share files.
    - SD and SDHC cards
      - SD - Seecure Digital cards can store up to 2 GB of data
      - SDHC - Secure Digital High Capacity cards can hold up to 32GB of storage and are suitable for video cameras
    - Memory card sizes are measured in gigabites (GB)
- Music and Video Player
  - Standard feature on most phones
  - Music files are usually in MP3 or WAV format
  - Video files are usually in MP4, 3GP or AVI formats
  - File Format - the particular code that a file is stored in. Different software and devices use different formats, which can cause problems f another device cannot decode it
- Connectivity
  - Bluetooth
    - allows the exchange of data over short distances
  - WiFi
    - Wireless Fidelity - It is similar to bluetooth in that it is used to exchange data, but it can do it over greater distances
  - To connect to the internet or to share information with other phonees, mobile phones need conneection
  - Because they are 'mobile' phones the connections need to be wireless
  - If you want to access online email accounts, your phone needs to support POP3 or IMAP4.
    - POP3 allows you to download you inbox
    - IMAP4 allows you to view you entiree inbox and subfolders
- Network Bands
  - Mobile phones operate on different frequencies in different countries
    - Dual Band - picks up 2 frequencies
    - Tri Band - picks up 3 frequencies
    - Quad Band - picks up 4 frequencies, can use this in all 5 continents
- Mobile Phone Designs
  - Fashion Phones
    - Features often include high-res cameras, large storage space for pictures and speakers
    - Can be different shapes, customised and fashionable
  - Business Phones
    - Slim, sleek design, usually black. Large screens and full qwerty keyboards
    - Features include speaker phone, GPS, 3G and voice activated calling
  - Multifunctional Phones
    - Combine both fashion and business, appealing to the mass market
- Cons of Mobile Phones
  - Texting too much can cause Repetative Strain Injuries
  - Mobile phones have nto been around for long fo there are unknown risks
  - Overuse of 'text-speak' could cause people not to speak properly and may affect english grades
  - Bullying
Memo