Key Objectives and Features of Software

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Types of software in computer systems

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All computer systems are made up of hardware, system software, and application software.

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General features of system software

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- Controls and manages the operation of the computer hardware - Provides a platform for all software to run properly - Provides a human-computer interface (HCI) - Controls the allocation and usage of resources (software and hardware)

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General features of application software

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- Used to perform various tasks on a computer - Allows the user to perform specific tasks on a computer - Meets the requirements of the user

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Application software functionality

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Allows various tasks to be performed on a computer using applications (apps). The software can be a single program or a suite of programs.

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Diagram summarizing typical application software found on computers

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Diagram includes examples like spreadsheet, word processor, database, editing software, and internet browser.

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Word Processor

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Word processing software is used to manipulate a text document, such as an essay or a report. Functions include creating, editing, saving, and manipulating text, copy and paste functions, spell checkers, and importing photos/images.

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Spreadsheet Software

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Spreadsheet software is used to organize and manipulate numerical data. Functions include the use of formulas for calculations, producing graphs, and modeling 'what if' scenarios.

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Database Software

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Database software is used to organize, manipulate, and analyze data. Functions include querying database data, producing reports, and adding, deleting, and modifying data in a table.

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Control and Measuring Software

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This software interfaces with sensors to measure physical quantities and control applications by comparing sensor data with stored data to alter process parameters.

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Apps

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Apps are software that run on mobile devices, ranging from games to sophisticated software like phone banking. Common examples include video and music streaming, GPS, and camera facilities.