ICT
- Created by: ukgamer321
- Created on: 09-05-14 11:16
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- ICT
- Input
- used to enter information
- keyboard
- touchpad
- microphone
- Output
- used to display infomation
- monitor
- printer
- speakers
- Storage
- stores information
- hard Disk
- memory stick
- DVDs
- Spreadsheets
- cell formats
- number
- text
- currency
- date/time
- DOB. time of appointment
- boolean
- can have 2 options
- autonumber
- primary key
- formulas
- =B3*C3
- =SUM(D3:D16)
- =D17/B5
- =B5-F4
- Advantages
- carry out what if investigations
- easer to change data
- quicker
- Disadvantages
- learn how to use it
- viruses
- cell formats
- Data validation
- way of trying to reduce number of errors
- range check
- sets suitable boundaries
- check digit
- to make sure a range of numbers have been entered right
- length check
- no longer than a certain length
- lookup
- drop down list
- presence check
- something is there (eg number)
- Input
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