First mechanical calculator

• Difference engine

• Pascaline

• ENIAC

• EDVAC

Find the odd one out

• Speed

• Accuracy

• Humorous

• Diligence

First calculating device

• Abacus

• Napier's bones

• Pascaline

• Difference engine

These computers are used for weather forecasting, space research and satellite control

• Super computers

• Mainframe computers

• Mini computers

These computers are used in bank, universities and in any other big organizations

• Mini computers

• Macro computers

• Super computers

These computers are smaller and lighter than laptop generally 7 inch or 10 inch screen

• Tablet computers

• Laptop computers

• Desktop computers

What am I?

• Desktop PC

• Smart phone

• Laptop

• Mainframe computer/server

what am I?

• Desktop PC

• Mainframe/server

• Laptop

• Smart Phone

This computer is used by touching with your finger

• laptop
• tablet
• desktop
• mainframe

What is the device shown in the picture?

• A keyboard

• A monitor

• A mouse

• A printer