Notes for information technology

1. Information technology means the use of:
- hardware, software, services and supporting infrastructure to manage and deliver information using voice, data and video.

2. IT versus ICT
a) information is of no value if it is inaccessible. So, :
- it must be communicated and or displayed by using communication technology.
- thus, a better acronym is information and communication technology (ICT).

3. Functions of ICT's :
a) to capture - hardware (sound recorder, sensor etc).
b) to store - hardisk, cd, dvd.
c) to process - software (the os, ms office, spss, etc).
d) to display/communication/make a accessible - the screen, the network, etc.