What Is An Operating System?

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This provides an easy method for workers to use their computers.

GUI

The instructions for the OS provided by application software are known as _____.

System Calls

Desktop

The background screen on a computer; the main work area.

Menu

List of commands.

Command

Instructions that tell a computer what to do.

Folder

An object that contains multiple documents or files.

Directory

An organizational system used to organize files.

Multitasking

Performing more than one task at a time.

What is the function of the GUI?

Provides an interface between the user and the OS.

Window

Rectangular area on a computer screen where the action takes place.

Select the application software.

Word Processing Spreadsheet

The index used by the OS to manage computer files is called _____.

FAT

The desktops of computers running the same OS all look the same.

False

These are pictures that you can click on to tell your computer what to do.

Icons

A(n) ____ is a list of commands that tell your computer what to do.

Menu

How does the OS make multitasking possible?

By allocating RAM to open applications.

Match the following.

Command- Instructions that tell a computer what to do. Desktop- The background screen on a computer; the main work area. Directory- An organizational system used to organize files. Folder- An object that contains multiple documents or files. GUI- Graphical user interface; enables users to easily interact with their computers. Menu- List of commands. Multitasking- Performing more than one task at a time.

This type of file is created when you save your word processing document.

Data

GUI

Graphical user interface; enables users to easily interact with their computers.

When you open your word-processing program, it opens in a _____.

Window

What OS is most commonly used by businesses?

Windows


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