Basics of Microcomputer
Introduction:
- It is hard to imagine the present world of electronics without microcomputer
- Microcomputers are used in cash registers, washing machines, scales ovens, traffic light controllers, etc.
- Microprocessors are introduced in 1971. Intel 8080, Motorola 6800, Z80.
- Microcontrollers are introduced in 1976. Intel 8748 (MCS 48 family).
- In 1980, microcontrollers with advanced features are introduced. Intel 8051 (MCS51 family), Siemens SAB80515.
Microcomputer System:
Microcomputer is defined by two key traits:
- The ability to be programmed to operate on data without human intervention
- The ability to store and retrieve data
Generally, a microcomputer system includes
- Hardware: Peripheral devices for communicating with human
- Software: Program that process data.
A microcomputer system contains
- CPU connected to RAM and ROM via address bus, data bus and control bus.
- Interface circuits connect the system buses to peripheral device.
Related topics:
Microcomputer System Architecture | Numbering System | Memory Basics | Digital Logic | ASCII Code | Computer Internals | ROM and RAM Memory
List of topics: Microcomputer
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