4. Mainframe Computer
• A computer that has large computer systems
and is extremely reliable and built to handle
large workloads.

5. Users of Mainframe Computers
• Large corporations and government
organisations.

6. Functions of a mainframe computer
• Preserve Data Permissions
• Run Intensive Applications

8. Microcomputer
• A computer with a central processing unit
that contains a microprocessor and is smaller
than a mainframe or a minicomputer.

9. Users of Microcomputers
• People who work at home or in an office.
• Businesses
• Medical Uses

10. Function of a microcomputer
• Input
• Processing
• Storage
• Output

11. Examples
• Laptops
• Desktop computers
• Notebook

13. Minicomputer
• A computer that is smaller computer that sits
between a microcomputer and a mainframe.

14. Users of Minicomputers
• People who are on the go
• Students

15. Function of Minicomputers
• Checking Email
• Schedule Appointments
• Web Surfing

16. Examples
• Netbooks
• Tablets
• Handheld Devices

18. • High Speed
• It is highly reliable as it takes less time to carry
out functions.

19. • They are small and portable
• Able to hold vast information

22. Disadvantages of Mainframe
• Cost alot to maintain
• Produces alot of heat

23. Disadvantages of Microcomputer
• Negative Physical Aspects to the user
• Computer Addiction for the user

24. Disadvantages of Minicomputer
• Smaller screen size.
• No CD drive.
• Hardware speed is an issue.
• No music, entertainment system.
• Less storage capacity.