Classification of Computers

Classification of Computers

Computers can be classified into three categories according to the Size, Technology and Purpose.

Computer Classification According to the Size

Classification of computers according to size can be divide into five categories called Super Computers, Mainframe Computers, Workstation Computers, Mini Computers and Micro Computers. 

Super Computers

Super computers are using for special Mathematical Calculations also for Scientific Research. This is the fastest type of computers and it is very expensive. Specialized employees are using this type of computers.

                                                                                    

                                                               Figure 0‑27 Super Computers

Mainframe Computers

The purpose of Mainframe Computers is to Control many Computers at one time. These computers are handing large amount of data. These type of computers are used by the large institutions such as Government, banks etc.

                          

                                                        Figure 0‑28 Mainframe Computers

Mini Computer

Minicomputer is a multi-user computer which between mainframe and micro computers in its size, power and cost.

                          

     

                                                             Figure 0‑29 Mini Computer

Micro Computer

Micro Computers Are Desktop computers which contain limited memory. These computers are small, cheap and relatively slow. Desktop Computers, Laptop Computers, Palmtop Computers and PDA (Personal Digital Assist) are some examples for Micro Computers.

                          

                                                      Figure 0‑30 PDA (Personal Digital Assist)

                                    

                                                             Figure 0‑31 Palmtop Computer

Computer Classification According to the Technology

Class of Computers according to the technology can be divide into three Criteria called Analog, Digital and Hybrid. Analog computers are using to process the Environment such as weather report. Digital computers are used for Number Processing Systems. Hybrid means the technology. This is used to analyze both Analog and digital Computers.

                              

                                                                  Figure 0‑32 Analog Computers

                                 

                                                                Figure 0‑33 Digital Computer

Classification according to the purpose

Special Purpose Computers and General Computers are the criteria’s which represent the Purpose Base Computers.

Special Purpose Computers

Special Purpose computers are generally used by the specialized employees such as doctors who used X-ray Machine, Eye checkup Machine, EGC Machine Echography Machine etc.

General Purpose Computer

General purpose computers mean the computers which everyone can use. Laptop Computers (Figure0-35), Desktop Computers, Smartphones, Tablets etc.