Module 1.2 Buying a computer Theme: Data processing for your business
Buying a computer! Where to start… Personalizing your choices… Practical advice on deciding on the specifications of the computer you need to buy.
Specifications for PC’s Basic components (Grade 10 & 11) motherboard CPU memory hard drive screen mouse CD/ DVD keyboard
Activity EXPLORE What is available? 1 Entry-level computers RAMHard driveCPU Optical (CD / DVD) Operating syste m Connections (USB / FireWire / Network / Modem) Other Company 1 Company 2 Company 3 Mid-range computers Company 1 Company 2 Company 3 Top-range computers Company 1 Company 2 Company 3
What do you want to use your computer for? Tasks to be done Graphics / video / design Games Basic office work Refer to table p13
Tips Beware of bargains Warranty and after sales service Keep all documentation!
Laptop or desktop? Work on fixed machines? Meetings / presentations? Travel?
Activity APPLY ComputerAdverts p 15 2
Peripherals and other devices Quality equipment will enhance your computing experience Ergonomics in the working environment -Taking the whole person in account -Factors that must be taken into consideration
Screen CRT vs LCD
Mouse Optical vs ball mouse Keyboard Ergonomics Wireless
Printer Colour vs black/white Carbon copies
Most multifunction printers include a scanner Scanner Entry level for normal use
Extra storage No more stiffies Flash drives USB drives
Activity CHECKLIST I can … 3 p 18
Activity APPLY p 19 4