Computer Application Technology (CAT) Grade 11 and 12 summary

GRADE 11 THEORY NOTES:


The Browsing experience:
Usability of the websites:
Readability:
 Headings
 Short paragraphs
 Columns
 Lists (bulleted)
 Group related ideas together
 Size, type, colour of fonts
 Avoid text all in upper case
 Easy coloured backgrounds


Navigation:
 Main links should be easy to located and identify
 Links should be short – understand what it will take you to
 No ‘broken’ links
 Links formatted in a consistent and standard way


Consistency:
 Same layout
 Same colours, fonts, or theme


Layout:
 Best suited to the intended audience or readers
 Text and graphic objects adapted to fit standard monitor sizes and resolutions


Typography:
Ensure that the font types are:
 Easy to read
 Match content
 Commonly used


Speed:
 Pages load quickly
 Slow loading typically caused by large files

, Privacy:
 Some websites may record your preferences
 Facebook and Google may analyse your activity
 Malware may install itself on your computer


Spyware:
Any technique or software that tries to monitor and track the way you use your computer, and then to
report this information to a third party.
 Tracks use of the internet
 Builds a profile of you, for targeted advertising
 Can steal login details to gain unauthorized access
 Keyloggers capture your keystrokes


Adware:
Free software that is not really free
 Displays adverts while the program is running
 Can also pop up while you are surfing the web
 Ad Blocking software can help to prevent this type of advertising




ICT:
ICTs influence on life:
 Jobs we do
Way we:
 Store and watch photographs
 Entertain ourselves
 Shop and do banking
 Communicate
 Interact with friends
 Obtain and use information




Communication:

, Always available
 Over-availabilities
 Social networking
 Instant messaging
 Blog and e-mails


Access to information:
Information:
 Find quickly
 Determine if sources reliable
 Analyse and summarise
Examples:
 TV/Radio
 E-mail
 WWW
 SMS/MMS
 Cellphone calls


Leisure:
 Movies, music and printed media available via internet
 Video on Demand – from online storage
 Internet TV not using radio signals
 Online travel bookings
 Online computer games
 Fitness programs in front of TV with Gaming console


ICTs influence on workplace:
Positive:
 Work wherever we access to computer (and internet)
 Communicate more effectively
 Store and process vast quantities of data to make more informed decisions
 Identify and adapt to changing trends
 Perform tasks that are difficult or dangerous for humans to do
 Perform repetitive mechanical actions with consistent quality.
 Empower individuals (smaller companies that make effective use of ICT can compete globally)




Negative:
 Requires constant upgrade of skills, hardware and software