1. Module 2 Short Including preparation for ECDL testing

2. Extra revision slides on Module 2  It is everyday life= email quick and easy don’t have 2 write documents  E commerce is the process off doing business over the internet being able 2 veiw up to date info cheaper becauce cutting out middle man service 24 hrs a day materials delivered direct  Disadvantage insecure sometimes no personal touch website might be misleading  Ergonomics health and safety  Security and anti virus software  Copyright and data protection  Types of software

3. Computers at work  Manufacturing eg controling robots and machines  Banking online and atms  Travel agency and airlines  Governments for motor tax  Medical eg life support systems  Shops eg bar coding and stock controls

4. Uses of computers  Computers in the home  Shopping, paying bills, chat rooms, remote access= teleworking  Computers in education; vice principals may use it for timetabling keeping records e.g. excel.

5. .  Ergonomics is the study of when using computer equipment  Safety precautions no food or drink in the computer room disconnect in stormy weather, protect computers from a power surges. We use an uninterupted power supply and turn off monitors

6. .  Information securiy  Use lock or motion detectors to stop things being stolen  Hacking is an example of unauthorised entry into confidential info  To make info more secure you must have a good password policy no the data protection act 1988 and keep backup copys  Keep ab tutor software on your computer so u can monitor exactly what each employee or student has been doing on the computer  Viruses are instructions that attach to files reproduce and spread to other files eg the I love you virus infected 72 million computers in 3 hours costing millions to people  Install anti virus

7. .  Copyright works the same way as both books and music you must register your brand licencing as end user license. Data protection act says that info must be gotten fairly from people and people have the right 2 see their info stored.

8. Other software  Commercial software  Shareware is software that is freely available for a period of time until after a while you have 2 pay 4 it  Free ware no payment is due  public domain software

9. More about computers Control alt + 4 gives € Revision that Mouse, trackball, touch pad, light pen, scanners, joysticks, microphones and digital cameras can be inputs

10. Internet Set up revision  Modem= connects the computer to the telephone lines.Often a card plugged into the back of the computer.Uses digital signals.  Internet server provider= eircom  PSTN=public switched telephone network  ISDN= was designed for transmitting digital rather than analogue signals

11. Common Test errors  The speed of the CPU is usually measured in MH or GHz  Ram cannot store data when the computer is switched off.  Receiving software updates from the interenet will involve a client server relationship  Back up data is best stored in another building

12. Common test errors  Open source software is free software  Personal protection of individual data is an nb part of data legislation  Data subject has the right to access their own personal data  Data controllers must collect data only for legitimate purposes.

13. Conclusion  About  Output and Input  Networks  Other software types  Data and security  Ergonomics  Common tests mistakes