Chapter 12/ Operating System Basices Flashcards
*Operating System OS
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An operating system or OS is a software that enables the computer hardware to communicate and operate with the computer software. Without a computer operating system, a computer and software programs would be useless.
*Application
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application, an app, software application or software program is the most common software on the computer that performs a special function or task. For example, Microsoft Word is a word processor program that allows users to create and write documents and the browser you are using to view this page is a program. Without programs, a computer would still work with the operating system, but you would not be able to do anything.
*Driver
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specific software written for the purpose of instructing a particulate OS on how to access a piece of a hardware. like printers, modems
*Open source
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OS can be freely modified by anyone, allowing users or organizations to adjust the program’s functionality to perform for their specific needs.
*closed source or proprietary.
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OS can only be modified by an owner or a developer.
*Shell
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A shell is a software interface that’s often a command line interface that enables the user to interact with the computer.
Shall makes OS easier to use.
*Graphical user interface GUI
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a GUI (pronounced as either G-U-I or gooey) allows the use of icons or other visual indicators to interact with electronic devices; rather than using only text via the command line.
*Network
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network, a net is a collection of computers connected to each other. Today, the term net is used to describe the Internet.
*Cooperative multitasking
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Cooperative multitasking is a form of multitasking where the programs in the background can only process data when the program in the foreground is doing nothing.
preemptive multitasking
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is a form of multitasking that enables a computer operating system to switch between computer software programs. Preemptive multitasking helps prevent a program from taking complete control of the computer processor and allows multiple programs to continue to operate without crashing or freezing.
*Multithreading.
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one program run multitask with the CPU
It give us fast result because the program is doing many things.
My recent document lists how many recent open data files
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15
Minimum system requirements
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Before installing an OS their are four things to take in consideration:
- Determine hardware capability and minimum requirements
- determine installation options
- determining the installation options.
- preparing the computer for installing
Determine hardware capability and minimum requirements
what do you need to check before installing any version of Windows?
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check the Hardware Compatibility List, HCL is a listing of software that is compatible with Microsoft operating systems
Window vista has bars
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Taskbar and sidebar