1. ABACUS - The first mechanical calculator

Introduction to Computers Introduction to Computers By: Paul Andrew V. Roa What is a computer? A computer is an electronic device that helps people perform different tasks.…

What is a computer ;1. 1 What is a computer? · An electronic machine, operating under the control of instructions stored in its own memory · accepts data · manipulates…

1. History of the Computer 1NEHS_Information and Communications Technology 2. 2400 B.C. – 300 B.C. • The first counting device was the abacus, originally from Asia. •…

Slide 1History of the Internet and the Computer By: Allen LaNear Slide 2 Konrad Zuse (1910- 1995) was a construction engineer for the Henschel Aircraft Company in Berlin.…

Slide 1History of Computers Slide 2 Early Calculating Devices 3000 BC: People began to use an abacus for calculations. The standard abacus can be used to perform addition,…

Slide 1 History Of Computers By Alexandra Carabajal Slide 2 Computers Computers were not just invented one day to another, it was a process that started as a Abcuss and is…

Slide 1 History of Computing -- Soujanya Slide 2 Contents Definition Abacus(600 B.C) Cardboard Calculator First Calculator Difference Engine(1822) Well-Known Early Computers…

Slide 1 The History of Computation Dr. Sidney Marshall Associate professor Rochester Institute of Technology Slide 2 Why Do We Calculate? Ancient History Ancient History…

Slide 1 HISTORY OF COMPUTING 5000 B.C. – 1900 A.D. Geoffrey Butterworth & Jessy Turnidge Slide 2 Earliest History  5000 B.C.  Concept of Abax or  Algorithmic…