ICT-Unit 1
IT Fundamentals
Revision Booklet
,LO1
,Computer Hardware:
Computer Computer System
• A programmable machine • Made up of hardware and
• Inputs data, processes it and software
then outputs the result • Hardware-any physical
• Single device, peripherals can be component that makes up the
attached computer or attached to it.
• Software-any program that ru
on the computer
, Inputs and Outputs:
Input Output
• Take real time data and • The inputs will be processes t
instructions to convert it into a generate outputs sent to the
form that can be used by a output devices
computer • Receive information from the
• E.g. controller, mouse, keyboard, computer
microphone, touch screen, joy • E.g. monitor, headphones,
stick speakers, printer
IT Fundamentals
Revision Booklet
,LO1
,Computer Hardware:
Computer Computer System
• A programmable machine • Made up of hardware and
• Inputs data, processes it and software
then outputs the result • Hardware-any physical
• Single device, peripherals can be component that makes up the
attached computer or attached to it.
• Software-any program that ru
on the computer
, Inputs and Outputs:
Input Output
• Take real time data and • The inputs will be processes t
instructions to convert it into a generate outputs sent to the
form that can be used by a output devices
computer • Receive information from the
• E.g. controller, mouse, keyboard, computer
microphone, touch screen, joy • E.g. monitor, headphones,
stick speakers, printer
