1.8 KiB
1.8 KiB
ICT Basic
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.Examples of input devices include keyboards, mouse, scanners, cameras, joysticks, and microphones.
Types of input devices
Keyboards
Mouse/Touchpad/Track point
Scanners
Webcam/Cameras
Microphone
Joystick
Output devices
Output devices in computing are hardware components that display or output data and information from a computer to the user or another system. Examples include monitors, printers, and speakers.
Types of output devices
Monitor
Speakers/Headphones
Printers
Components of a Computer
- CPU: Central Processing Unit - The "brain" of the computer.
- RAM: Random Access Memory - For temporary data storage.
- Hard Drive: Long-term data storage.
- Motherboard: Connects all components.
- Power Supply: Provides electrical power.
- GPU: Graphics Processing Unit - Handles visuals.
- Input Devices: Such as keyboard, mouse, etc.
- Output Devices: Such as monitor, printer, etc.
- Cooling System: Fans or liquid cooling.
- Case: Encloses the components.
Storage
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