Computers can be classified by size as super computers, mainframe computers, mini computers, or personal computers. Super computers are the largest and fastest, designed for scientific applications like encryption, weather forecasting, and nuclear research. Mainframe computers process large amounts of data and are useful when many people are involved. Mini computers are between microcomputers and mainframes.

2. Computer

3. Types of Computer
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Khadijah

4. Classification of computer by size
• Super Computers.
• Mainframe Computers.
• Mini Computers.
• Personal Computers (PCs) or microcomputers.

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6. Super Computers
• The biggest and fastest computers are
supercomputers. These computers are specifically
designed for scientific applications such as-
• Encryption decryption of passwords.
• Weather forecasting.
• Testing of nuclear weapons.
• Scientific research of earth etc.

7. Mainframe Computers
• Mainframe computers are useful when a large
number of people are involved. These computers
process large amount of data.
• Exampels- IBM z series, System z9 etc.

8. Minicomputers
• Standing in between microcomputer and mainframe
computer is the minicomputer.