There are three types of computers according to the technology. These are :
(i) Digital Computers
(ii) Analog Computers
(iii) Hybrid Computers
1. Digital Computers: The computer which works on the digital signals or deals with discrete digital signals is called the digital computer.
2. Analog Computers: The computer which works on physical analogies or physical quantities is called an analog computer. It is a special purpose computer used to design specific problems.
3. Hybrid Computers: A computer which has the features of both analog and digital computers is called the hybrid computer.