About This Chapter
Basics of Systems Software - Chapter Summary
Gain greater insight into the basics of systems software with help from this engaging chapter. Bite-sized lessons provide in-depth analyses of touchscreen technology, virtualization, systems security and much more. Review these lessons at your own pace. In no time, you will be able to:
- Describe components of systems software
- Define the command line interface, graphical user interface (GUI), menu-driven interface and voice user interface
- Provide details about enterprise, workgroup and personal operating systems
- Discuss basics of computer operating systems
- Explain the process of job scheduling in operating systems
- Detail the maintenance and tools of computer management
- List and describe units of measurement
- Exhibit knowledge of file systems, file extensions and file types
Study any lessons in this chapter and visit them as often as you'd like to feel confident in your comprehension of systems software basics. If you need to clarify any details presented in the lessons, feel free to send your questions to our experts. Our lesson quizzes and practice exam can quickly and easily assess your comprehension of this chapter. Enjoy around-the-clock access to these resources using any smartphone, tablet or computer with an Internet connection.
1. Systems Software: Utility Software, Device Drivers and Firmware
System software coordinates the activities and functions of hardware and software, and it controls the operations of computer hardware. Learn about different types of system software, including utility software, device drivers and firmware.
2. Command Line Interface: Commands, Parameters & Options
Despite the popularity of graphical user interfaces, command line is still widely used. In a command-line interface, a user interacts with a computer by typing in lines of text. Learn about the use of commands, parameters and options.
3. What is a Graphical User Interface (GUI)? - Definition, Components & Examples
If you use a computer or smart phone, you have used a GUI. In this lesson we will find out what a GUI is, quickly trace its history, and cover its key components. We'll also take a look at some current examples.
4. Menu-Driven Interface: Definition & Examples
Menus are useful for more than just fast-food restaurants. In this lesson, we'll explore a menu-driven interface, how it's used and where you might come into contact with one in real life.
5. Touchscreen Technology: Definition & Concept
Touchscreen technology makes it possible to interact with a computer system using direct touch of the electronic display instead of using a traditional keyboard and mouse. Learn more about touchscreen technology in this lesson.
6. Voice User Interface: Definition & Technology
What if you could ask a computer about the weather without ever touching a mouse or keyboard? With voice user interface, you can! In this lesson, we'll discuss how VUI works and some common places it's being used.
7. Virtualization: Definition & Benefits
Virtualization is a hot topic these days, particularly in business. In this lesson, we'll take a look at virtualization, including what it is and some benefits of using it.
8. 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.
9. 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.
10. Units of Measurement: Megapixels, Kilobytes & Gigahertz
Computer systems use many different units of measurement. This lesson will review some of the most widely used units, including megapixels for digital photographs, kilobytes for storage and gigahertz for frequencies.
11. 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.
12. 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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Other chapters within the DSST Computing and Information Technology: Study Guide & Test Prep course
- Introduction to Computer Hardware
- Overview of Operating Systems
- Application Software Overview
- Database Management & Data Analytics
- Internet Infrastructure & Communication
- Telecommunications & Network Architecture
- Programming & Software Methodology
- History of Computing & Societal Impacts
- DSST Informational Resources
- DSST Computing and Information Technology Flashcards