Basic Computer Organization and Design

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Learning Target 1

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Identify the basic parts of a computer.

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Examples of Input Devices

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Keyboard, Key-to-Disk, Scanner, Trackball

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Memory in a Computer

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Memory stores data and instructions temporarily for quick access by the processor.

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Key-to-disk as an Input Device

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Key-to-disk is an input device used for data entry directly onto a disk.

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Importance of Computers in Human Activity

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Computers have entered most fields of human activity, becoming essential tools for various tasks.

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Output devices are used to extract and disseminate processed data from the computer.

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Output devices present information to the user.

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Output devices convert machine-coded output results from the processor into a form that can be understood by people.

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They make data accessible and understandable.

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Secondary memory refers to any external storage media and is non-volatile.

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It retains data even when the computer is powered off.

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A common example of an external secondary memory device is the USB flash drive.

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USB drives are portable and widely used.

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The CPU is an example of a processing device.

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It executes instructions and processes data.