Bus and Tech A: What Is an Operating System

Menu

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

by allocating RAM to open applications

How does the OS make multitasking possible?

C) spreadsheet D) word processing

Select the application software. A) graphical user interface B) random access memory C) spreadsheet D) word processing

False

The desktops of computers running the same OS all look the same. True or False

FAT

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

System Calls

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

Icons

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

GUI

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

Data

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

Microsoft

What OS is most commonly used by businesses?

provides an interface between the user and the OS

What is the function of the GUI?

Window

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