About This Chapter
Computer Data & Storage - Chapter Summary
In this chapter we'll help you review the definition of computer data and its different forms, common storage methods and how data is structured for organization. By the end of this chapter you'll be able to:
- Define the different types of data
- Explain how unicode and ASCII are used in binary code
- Describe how various internal and external storage devices work
- Explain how data is organized into data structures
We have professional instructors ready to review these computing projects with you using short, entertaining video lessons. Our videos come with accurate transcripts so you never have to worry about missing information and lots of video tags so it's easy to jump from concept to concept effortlessly. Quizzes at the end of each lesson will help you track your progress, and build confidence during your review session.
1. What are Data? - Types, Sources & Definition
In this lesson, learn what data are and compare different types. Understanding how to represent and organize data is a key element of using a computer.
2. ASCII and Unicode to Represent Characters in Binary Code
A computer can think at speeds of over a billion machine cycles per second. However, no spoken language is a computer's native tongue. Learn how a computer translates analog to digital signals in this lesson.
3. External and Internal Storage Devices: Optical, Magnetic & Semiconductor Storage
Let's explore the capacity of internal and external storage devices. We'll learn how optical, magnetic and semiconductor storage works, as well as identify some examples of storage devices.
4. What is Cloud Storage? - Definition & Concept
Cloud Storage is networked storage, or disk space, available over a specific network - the Internet. In this lesson, learn what Cloud storage allows you to do as well as how it is installed.
5. How to Organize Data Using Data Structures: Files, Arrays, Lists and Others
A data structure is a collection of data elements that are organized in some way. Learn about the different types of data structures in programming, such as files, lists, arrays, stacks, queues and trees.
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Other chapters within the Ohio Assessments for Educators - Computer/Technology (Subtests I & II)(016/017): Practice & Study Guide course
- Hardware & Systems Technology Basics
- Systems Software & Management
- Computer & Peripheral Device Troubleshooting
- Acceptable Use Policies & Legal Issues
- Digital Security & Safety Issues at School
- Database Management
- Communicating with Software & Media
- Using Collaborative Online Tools to Communicate
- Electronic Research Tools & Information Literacy
- Using Technology to Improve Teaching & Learning
- Ohio Assessments for Educators Computer/Technology Flashcards