Computer
A computer is a machine that carries out a sequence of instructions. While most people think of computers as machines which do information processing only, such as Laptops and Servers, there is also a category of computers called "Embedded Computers" or Embedded Systems. In Embedded Systems, the computer is used for a very specific purpose, which is typically to control the device which it is a part of. Embedded Systems span a wide range, from small medical devices such as hearing aids, blood pressure sensors, pace makers to household appliances such as Washer & dryers, Refridgerators, Coffee makers, to automotive, industrial and airospace uses.
Instructions
Components of a computer
There are 5 types of components in a computer system:
- CPU (Brain)
- Program memory (ROM), Non volatile memory containing a list of instructions to execute sequentially
- RAM (Short term, volatile memory)
- Output units
- Input units
