Which type of value can only be true or false?

Study for the SQA Higher Computing Science Exam. Enhance your skills with flashcards and multiple-choice questions, each with hints and explanations. Prepare thoroughly for your exam!

Multiple Choice

Which type of value can only be true or false?

Explanation:
The type of value that can only be true or false is a Boolean. In programming and computer science, Boolean values represent the binary state of logic: true or false. This binary nature is fundamental in conditions, decision-making, and logical operations within algorithms and code. On the other hand, integer, string, and float types can represent a wide range of values that go beyond just true or false. Integers are whole numbers (e.g., -1, 0, 1, 2), strings represent sequences of characters (e.g., "hello", "123"), and floats are decimal numbers (e.g., 3.14, -0.001). Each of these types holds a different kind of information, making them unsuitable for solely representing truth values. Thus, the Boolean type is uniquely defined to provide a straightforward representation of binary logic.

The type of value that can only be true or false is a Boolean. In programming and computer science, Boolean values represent the binary state of logic: true or false. This binary nature is fundamental in conditions, decision-making, and logical operations within algorithms and code.

On the other hand, integer, string, and float types can represent a wide range of values that go beyond just true or false. Integers are whole numbers (e.g., -1, 0, 1, 2), strings represent sequences of characters (e.g., "hello", "123"), and floats are decimal numbers (e.g., 3.14, -0.001). Each of these types holds a different kind of information, making them unsuitable for solely representing truth values. Thus, the Boolean type is uniquely defined to provide a straightforward representation of binary logic.

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