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# ICT Basic
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# Input and Output devices
## Input devices
In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system, such as a computer or information appliance.
### Types of input devices
#### Keyboards
#### Mouse/Touchpad/Track point
#### Scanners
#### Webcam/Cameras
#### Microphone
#### Joystick
### Types of output devices
#### Monitor
#### Speakers/Headphones
#### Printers
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- CPU
- Memory
- Storage
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# Storage
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## Units of storage
- and speed
## Type of storage
- Magnetic Storage
- Optical
- Solid State
# MAchine language
- Binary
# networking explain
- Explain Protocols
- TCP
- UDP
- MAC Address
- IP/DNS
- Network ports
- Subnetting
- firewall usage
- other protocols ( HTTP, FTP, SSH, TELNET)
- OSI Model
- VPNs
# Operating System
- BIOS
- File system
- Kernel
- Drivers
- explamples of operating systems
# Troubleshooting Hardware
- RAM
- CPU
- MB
- PSU
# Troubleshooting Network
- OSI Model
