William Shockley

Walter Houser Brattain

John Bardeen

Magnetic Tape

Punched Card

Vacuum Tube

ENIAC

Presper Eckert and Willian Mauchly

MARK 1

Mechanical Calculator Machine

Pascaline

Napier's Bones

Egyptian Abacus

Chinese Abacus

ARPANET

Communication Satellite was introduced

Photocopier Machine

The First Computer

Television

The First Telephone

Telegraph Line

Cuneiform writing by the Sumerians