Introduction to Computer Architecture
In computer architecture, data representation refers to the way that data is stored and processed within a computer system. There are several different ways that data can be represented, but the most common are binary and hexadecimal.
Binary representation is a system that uses 0s and 1s to represent data. Each 0 or 1 is called a bit, and a group of 8 bits is called a byte. Binary is the most fundamental and basic representation of data in computers, and all other forms of data representation ultimately rely on binary.
For example, the number 7 is represented in binary as 111. The number 255 is represented in binary as 11111111.
Hexadecimal representation is a system that uses 16 different symbols to represent data. The symbols used are the numbers 0-9 and the letters A-F. Hexadecimal is often used for representing memory addresses and other low-level data in computer systems.
For example, the number 255 is represented in hexadecimal as FF. The number 4096 is represented in hexadecimal as 1000.
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