Lesson 2 Information Processing. Objectives Define hardware and software Explain the three basic computer functions: input, processing, and output.

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Presentation transcript:

Lesson 2 Information Processing

Objectives Define hardware and software Explain the three basic computer functions: input, processing, and output

HardwareSoftware Hardware refers to the physical components of a computer that can be seen and touched. Including: Keyboard Mouse Network cable Webcam Monitor Printers Router Speakers Motherboard DVD drive Software is a set of instructions or programs that tells the computer what to do. Two types: System software Application software

System Software Application Software programs that control and analyze the computer’s hardware, for example, an operating system or backup software Programs that are designed to help users complete a specific activity or task. For example, if you wanted to search the Internet, you would open an application called a web browser.

Three Basic Computer Functions InputProcessingOutput Input is when a computer takes in data or information through an input device. Processing is when a computer uses input data or information to obtain a meaningful result. This takes place in its central processing unit or CPU. Output is when a computer sends out data or information through an output device. Examples: Keyboard Screen Mouse Scanner Digital camera Gamepad Examples: Printer Screen Speakers

Summary Define hardware and software Explain the three basic computer functions: input, processing, and output