Which century's Abacus is shown in the picture ?

• 8

• 7

• 6

• 4

When no computational device were there how people used count and calculate ?

• Through pebbles,bones ,and fingers

• Through calculator

• Through rope

Babbage used the punched card idea to store data in his _______ engine

• Difference

• Analytical

The________ invented by Joseph Marie Jacquard

Which computer developed between 1945-55 ?

• Note book computer , desktop

• ENIAC, EDVAC, UNIVAC

• Tablet ,PDA

In which generation computers processor were made of vacuum tubes ?

In 1955 computer ________ were used instead of vacuum tubes in the process

• Integrated circuits

• Chip

• Transistor

• None of the above

The computers developed in 1960s and used _______

These were developed in the 1970s and used _______

• Microprocessors

• Transistors

• Integrated circuits

• All of the above

What was released in 2008 ?

• Internet explorer

• Opera web browser

• Google Chrome

• Google photos