CompTIA Tech+ CertMike: Prepare. Practice. Pass the Test! Get Certified!, 2nd Edition

CHAPTER 24Data Types: Objective 4.2: Identify fundamental data types and their characteristics

While computers are designed to directly work with binary code, operating systems and applications are written with human users in mind. In Chapter 2, “Notational Systems,” you learned how binary bits can be used to represent different decimal, hexadecimal, and text values. In this chapter, you’ll discover the different types of data objects that you can use when creating software to run on a computer.

You’ll learn everything you need to know about Tech+ objective 4.2, including the following topics:

• Char
• Strings
• Numbers
• Boolean

DATA TYPES

Each data object used by an application has an associated data type that tells the computer how to ...