1. Types of Computer

2. Different Kinds of Computers
Depending on the size and capacity, computers are
classified into three types:
 Mainframe computers
 Minicomputers
 Microcomputers or Personal computers.

3. Mainframe Computers
 Large and powerful computers that are used by
many people (users) at the same time; typically
installed in large organizations.
 Located in a central place and accessed by users via
computer terminals or other computers placed at
different locations and connected to the mainframe
computer.
Supercomputers
 Extremely powerful mainframe computers used in
scientific and engineering applications.

4. Mainframe

6. Supercomputer

9. Minicomputers
 Minicomputers are medium sized computers -
between Mainframe computers and
Microcomputers
 Are also used by many users at the same time
 Used in small organizations.

10. Server

12. Microcomputer/Personal
Computers
 Small scale computers that fit on your desk;
meant to be used by one user (at a time)
Workstation
 A microcomputer with enhanced graphics and
communication capabilities

13. Desktop

15. PC

16. Workstation

18. Laptops

19. Netbook

20. Chromebook
A Chromebook is a mobile device
running Google Chrome OS. The
devices comprise a distinct class
of personal computer falling
between a pure cloud client and
traditional laptop.

21. PDA

24. Wearable Computer