2.1 system unit components
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The document describes several key components of a computer system unit. The RAM temporarily stores the operating system, applications, and data for quick access by the CPU but loses this information when powered off. The graphics card outputs images to the display, while the audio card handles audio input and output. The CPU processor executes instructions of computer programs and the network card enables physical connection to a local area network.
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2.1 system unit components
- 2. Stick of RAMThis is a place in the computer where the operating system, applications and the and data is kept so that they can easily be accessed by the computers processor.The data on the RAM is there as long as the computer is on, but when the computer is turned off, the RAM loses the data. When the computer is turned back on the operating system and other data is again loaded onto the RAM through the hard drive.
- 3. Graphics CardGraphics Card - is used to output images to display.
- 4. Audio CardAudio Card - inputs and outputs audio signals to and from a computer.
- 5. CPU ProcessorCPU Processor - is the part of the computer that that carries out instructions of a computer program.
- 6. Network CardNetwork Card - This allows a computer to physically connect to a local area network.