77 lines
1.8 KiB
Markdown
77 lines
1.8 KiB
Markdown
# ICT Basic
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# Input and Output devices
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## Input devices
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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.
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### Types of input devices
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#### Keyboards
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#### Mouse/Touchpad/Track point
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#### Scanners
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#### Webcam/Cameras
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#### Microphone
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#### Joystick
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## Output devices
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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.
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### Types of output devices
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#### Monitor
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#### Speakers/Headphones
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#### Printers
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## Components of a Computer
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1. **CPU**: Central Processing Unit - The "brain" of the computer.
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2. **RAM**: Random Access Memory - For temporary data storage.
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3. **Hard Drive**: Long-term data storage.
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4. **Motherboard**: Connects all components.
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5. **Power Supply**: Provides electrical power.
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6. **GPU**: Graphics Processing Unit - Handles visuals.
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7. **Input Devices**: Such as keyboard, mouse, etc.
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8. **Output Devices**: Such as monitor, printer, etc.
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9. **Cooling System**: Fans or liquid cooling.
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10. **Case**: Encloses the components.
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# Storage
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## Units of storage
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- and speed
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## Type of storage
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- Magnetic Storage
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- Optical
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- Solid State
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# MAchine language
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- Binary
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# networking explain
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- Explain Protocols
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- TCP
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- UDP
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- MAC Address
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- IP/DNS
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- Network ports
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- Subnetting
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- firewall usage
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- other protocols ( HTTP, FTP, SSH, TELNET)
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- OSI Model
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- VPNs
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# Operating System
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- BIOS
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- File system
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- Kernel
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- Drivers
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- explamples of operating systems
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# Troubleshooting Hardware
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- RAM
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- CPU
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- MB
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- PSU
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# Troubleshooting Network
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- OSI Model
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