5 Key Concepts
• Hardware: anything within a computer you can physically touch.
• Software: the collection of programs and instructions that control the computer.
• Peripheral: the devices attached to the computer that allow it to interact with its environment and exchange information.
• Network: a group of digital devices (computers) connected together in some way to share resources such as documents or files and printers.
• Human resources: the humans operating the computers
Types of peripherals
• Input peripherals:
– Keyboard
– Mouse
– Microphone
– Webcam
– Scanner
• Output peripherals:
– Screen
– Speakers
– Printer
