Computer History and Invention

Early machine or devices were used for counting and recording. A tally stick used to record quantities or even messages in the late stone age.

• ishango bone

• abacus

• calculating clock

• transistor

An ancient astronomical computer built by the Greeks around 80 BC. It is an ancient mechanical computer designed to calculate positions.

• Ishango bone

• Antikythera Mechanidm

• Abacus

An early machine which was built by greek to locate and predict the location of the sun mood planets and the stars. It is used by the astronomers navigatos and astrologers.

• Abacus

• Astrolobe

• Ishango bone

• Antikythera Mechanism

Early machine perform simple calculation like add subtract multiply and divide. Developed in the 1960's

• Slide Ruler

• Ishango Bones

• Abacus

• Astrolobe

Who develop the slide rule?

• Wulhelm Schrikard

• Alexander Graham Bell

• Charles Babbage

• William Oughtres

The 6-digit machine that can add and subtract and perhaps includes an overflow-indicator bell.

• Abacus

• Slide Rule

• Calculating Clock

• Astrolobe

Who made the "calculating clock"?

• Wilhelm Schickard

• Charles Babbage

• William Oughtres

• Alexander Graham Bell