Question: what are the different types of computer according to purpose?
Answer: Microcomputers (personal computers) Microcomputers became the most common type of computer in the late 20th century. ... 
Minicomputers (midrange computers) ... 
Mainframe computers. ... 
Supercomputers. ... 
Servers. ... 
Workstations. ... 
Information appliances. ... 
Embedded computers.