Binary & Hexadecimals

Transistors

Tiny switches that can be either on or off, essential for computer programs and data storage.

Binary Number System

BASE 2 system that uses 2 digits (0 and 1). A single digit in binary is called a bit.

Denary Number System

BASE 10 system that uses 10 digits (0-9).

Bit

The smallest unit of data in a computer, representing a single binary value (0 or 1).

Nibble

4 bits, which can represent 16 different values.

Byte

8 bits, commonly used to represent a single character in computing.

Hexadecimal Number System

BASE 16 system that uses 16 different digits (0-9 and A-F), where each hex digit represents 4 bits.

goes up to 15

Value Conversion from Denary to Binary

Subtract available values from the denary number; add 1 for a deductible value, otherwise add 0.

What is the maximum value in Denary that can be represented in an 8-bit binary number?

255.

How do you convert from Hexadecimal to Binary?

Convert each hex digit to its 4-bit binary equivalent.