Types of inputs and outputs for supermarket checkout.

Blog Address: http://kcigcseict2011.blogspot.com just in  case anyone forgot.

Inputs:
Magnetic Strip Reader
Bar Code Scanner
Touch Screen
Keyboard
Electronic Scales
Payment Processor
Chip and pin.

Outputs:
Dot Matrix Printer (One of last still in use, 9 Dots)
POS checkout will print out for later analysis.
Screen is for current analysis.
Alarm is for absolute now analysis.

Modelling (Simulating)

Some examples are: Word, it simulates a piece of paper and allows lots of scenarios to be created quickly.
Flight Simulator, models flying around in a plane, can simulate any weather conditions(scenarios).

Computers are used to make models(scenarios)/simulate real life variations. It includes formulas and variables and the variables are the what if questions. Everything can be tested immediately, and you can immediately reset your scenario for something else.(retry)

Class Notes 15/8/11

HTTP: Hyper Text Protocol

Social Networking: When you become friends with somebody on a social networking account(''add as friend'') you create a connection between both your profile account and your new friends' of which others can see.

Wiki: Colaboration: the combining of peoples skills and  is not chronological. It's a creation of peoples work.

Web 2.0: LIVE eg. people want to go online to see what has just happened 5 seconds ago around the world.

Blog: Chronological: It's a chronogical diary

Digital Media Uploading: Uploading videos,music and pictures onto the internet to share with users.eg. uploading video to youtube.

More Tags

This was just to add more topics.