Computer mindmap homework
- Created by: Jacobstevew88
- Created on: 19-06-20 11:44
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- Computers
- Components
- Motherboard
- Is the heart of the PC and is the basis of all the components to connect to. Also sends all output data
- RAM (Random Access Memory)
- RAM stores all short term memory so that it can get the information when needed whilst doing other calculations
- CPU (Central processing unit)
- Processes information and sends it to the correct areas in the PC
- Video Card
- A video card is also known as a graphics card. The video card projects the video onto the screen so it is visible
- Sound chip
- Takes the information from the motherboard and sends a signal to the speakers to play sound
- Wireless chip
- Receives signals from wireless connections
- Power supply
- Stores power in the battery whilst also providing power to the computer
- Hard Drive
- Stores all of the long term memory so that you can access old saved files
- Motherboard
- Input and output devices
- Input
- Output
- The output sends the message from the input to show the information on a screen
- An example of this would be the letters showing up on the screen after typing
- The output sends the message from the input to show the information on a screen
- Operating systems
- An operating system manages all software and gives the PC a platform to run on
- Examples of OS: MAC OS, Windows, Linux
- MAC OS
- Only runs on Apple devices and comes preloaded on all iOS systems
- Windows
- The most popular OS in the world, comes preloaded onto most PC's and Laptops
- Linux
- Very easy to modify and free which makes it quite personalised
- MAC OS
- Examples of OS: MAC OS, Windows, Linux
- An operating system manages all software and gives the PC a platform to run on
- Login to a computer
- Turn on the computer by pressing the power button
- Then wait for it to load
- Then type in your password
- Then do the jobs you wanted to do in the first place
- Then type in your password
- Then wait for it to load
- Turn on the computer by pressing the power button
- Closing down a computer
- Close down all running systems
- This is important because it preserves the hardware and ensures it lasts a long time
- Then click start, shut down and wait for the PC to log off
- Close down all running systems
- Components
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