July 2025
Beginner
528 pages
13h 18m
English
Content preview from The Microprocessor
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CHAPTER 1Microprocessor System
1.1 INTRODUCTION
Figure 1.1 shows the key components of a simple microprocessor system.
The central processing unit (CPU), also called the microprocessor (or sometimes just the processor), receives information from input devices, processes it according to the program instructions stored in the memory and sends the processed information to output devices. Even though we called it the brain of the system, the CPU does not have any intelligence by itself; it simply executes the instructions stored in the program. Hence, it is the program that determines the functionality of a microprocessor system.
The system needs memory to store ...
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