TA2 IT revision

TA2 IT revision

1. HCI

   • Human computer interface
   • The interaction between user and computer
     • Keyboards
     • sensors
     • camera
     • remote
     • micraphone
     • touch screen
   • Can be used in most fields of work
     • Examples
       • Health care
       • Shops
       • offices
       • schools
   • Purpose is to allow communication or interaction between the user and the device.
   • Types of interaction
     • touch
     • type
     • voice
     • gesture
   • Examples of HCI
     • Banking
       • decrease in physical banks and moved to online banks
       • Must have high/extremely good security
       • How can HCI be used
         • Allow the user and bank to manage and look at the account
           • This allows the user to maintain their account in the way they wish
           • allows the bank to make sure their is no scamming or fraudulant activity on your account
         • examples
           • Password
           • finger print
           • pin
     • Embeded systems
       • Built into a system or device
       • Examples of what they are in or where they are used
         • Cars
           • The speed and gears or cruise control
         • fridges
           • temperature
           • light
         • Washing machine
           • speed
           • Temperature
           • water released

2. Advantages of HCI in different areas

   • embbedded systems
     • Greater flexibility compaired to older devices
     • Ability to set preferences
   • banking
     • Increase security
     • No need for staff
     • A coustomer only has access to thier account
     • flexibility on when and how to use the bank
   • Entertainment
     • Offers a personal experience
     • Different people/users can use the same device.
   • fitness
     • personalised settings
     • easy to see/monitor progress
     • Clear set up of exercise plan
   • Home appliance
     • Appliance performence can be tailored to meet the users requirements.
     • Appliances can be user activated or delayed whenever and wherever the user is located

3. Disadvantages of HCI in different areas