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Ch 3: Computer Science Systems Software

About This Chapter

Take a look at this self-paced computer science chapter to review systems software. The chapter's simple lessons and quizzes can be used to boost your knowledge for upcoming exams, assignments or professional purposes.

Computer Science Systems Software - Chapter Summary

Review computer science systems software with this mobile-friendly chapter. You'll receive expert instruction on a variety of systems software types, applications and functions. This collection of lessons also breaks down basic systems security topics, as well as hardware and software resource management concepts. When you're finished with the chapter, you'll be equipped to:

  • Understand the applications of computer software
  • Recognize different types of application software
  • Identify computer management tools
  • Explain how hardware and software resources are managed through computer operating systems
  • Evaluate several operating systems functions
  • Analyze different types of systems security measures
  • Differentiate between enterprise, personal and workgroup operating systems
  • Assess the functions of file systems, file extensions and file types

To help you reinforce your understanding of these systems software topics, we've included short-self assessment quizzes throughout the chapter. You can also submit questions to our instructors if you need any extra help with the material. Each lesson comes with a word-for-word transcript that you can print out and study offline. The chapter can be accessed at any time using your computer or mobile device.

9 Lessons in Chapter 3: Computer Science Systems Software
What is Computer Software? - Definition & Applications

1. What is Computer Software? - Definition & Applications

In this lesson, we'll briefly go over the basics of what software is and how it's different from hardware. We'll also talk about a couple of examples and see some common uses of software.

What is Application Software? - Definition, Examples & Types

2. What is Application Software? - Definition, Examples & Types

What is computer application software, and how does it differ from other categories of software? This lesson introduces you to some examples of application software and how they are used.

What Is Computer Management? - Maintenance & Tools

3. What Is Computer Management? - Maintenance & Tools

A computer needs to be maintained in order to keep working properly. Learn about maintenance tasks, such as backing up your files, running antivirus software, installing software updates and using disk tools.

Computer Operating Systems: Managing Hardware and Software Resources

4. Computer Operating Systems: Managing Hardware and Software Resources

This lesson will introduce you to computer operating systems and help you figure out the difference between application and operating system software. Also, we will learn the difference between a desktop and wallpaper.

OS Functions: Security, System Management, Communication and Hardware & Software Services

5. OS Functions: Security, System Management, Communication and Hardware & Software Services

The operating system, or OS, of a computer makes everything else work. Learn about the five key OS functions: system management, communication services, security, hardware services, and software services in this video lesson.

Systems Security: Firewalls, Encryption, Passwords & Biometrics

6. Systems Security: Firewalls, Encryption, Passwords & Biometrics

Computer systems face a number of security threats. Learn about different approaches to system security, including firewalls, data encryption, passwords and biometrics.

Enterprise, Workgroup & Personal Operating Systems

7. Enterprise, Workgroup & Personal Operating Systems

While every computer needs an operating system, different devices and different users need different functionalities. Learn about the different types of operating systems.

File Systems: FAT, NTFS, and HFS+

8. File Systems: FAT, NTFS, and HFS+

Computers use file systems to control how information is stored and retrieved. Each file system has its own structure and logic. Learn about the different types of file systems for different operating systems in this lesson.

File Extensions and File Types: MP3, GIF, JPG, DOCX, XLSX, EXE, & More

9. File Extensions and File Types: MP3, GIF, JPG, DOCX, XLSX, EXE, & More

File extensions are used to indicate the format of files so operating systems know what to do with them. Learn why there are so many different file extensions. Also learn about some of the most widely used file extensions.

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