Module 2 Short Managing files continued. Including preparation for ECDL testing

Extra revision slides on Module 2 Email is quick and easy and means you don’t have 2 write documents again as you can keep printing the same documents. E commerce is the process of doing business over the internet being able 2 view up to date info cheaper becauce cutting out middle man service 24 hrs a day materials delivered direct Disadvantage: data 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

Computers at work Manufacturing eg controlling 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

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

Ergonomics . Ergonomics is the study of when and how we use computer equipment and furniture. 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

security . 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 software

copy rights . 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.

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

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

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= eir PSTN=public switched telephone network ISDN= was designed for transmitting digital rather than analogue signals Optic fibre cable fastest

Tips on managing files 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 internet will involve a client server relationship Back up data is best stored in another building

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.

Conclusion About Output and Input Networks Other software types Data and security Ergonomics Tips Irish Data protection act