In this unit, students will learn about different kinds of computer operating systems and why they are important.
Now Studying: Operating Systems
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Operating Systems: An Introduction
An operating system (OS) is the software layer that provides multitasking and lets you control the basic functions of a computer. Without an OS, a computer would be extremely difficult for people to use.
The OS allows you to do things such as:
Sign in with a username and password
Sign out and switch between users
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Good programmers write code in an efficient manner so that it runs quickly and uses less memory.
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Most operating systems today are customizable, allowing users to change themes, security settings, and default applications.
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A consultant with a deep background in HCI was called in to study the usability of the proposed operating system changes.
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Writing Practice Activity
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- Which operating systems have you tried? Which do you like best? Why?
- What users typically prefer CLI operating systems? What users typically prefer GUI operating systems? Why?