The History of Computing

The History of Computing

by OIS OGC IT Integrators

​Aim

To understand the development of computing and know some influential people involved​

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​After this lesson:

• ​I can explain what the word computer first meant.

  I can name some influential people in the development of computing

  I can discuss some of the key inventions in the history of computing

Poll

How many of these people/items from the History of computing do you already know?

• Charles Babbage

• At least 3 different Apple Products

• What happened at Bletchley Park?

• Who founded Microsoft?

• What is a Raspberry Pi?

Multiple Choice

The word Computer was used for the first time to describe. . 

• the iPad

• A calculator

• A person

​The word Computer..

​Was first used over 400 years ago in 1613!

​It was used to describe a person who did perfect calculations or "Computations"

Long before . .

Even before 1613 in the year 500BC people used to perform calculations on a device called the "Abacus" (also called "Soroban" in Japan) to perform extremely fast calculations

Multiple Choice

This is the . . 

• first Printing Press

• First handloom

• First Computing device

This is the Analytical Engine

Developed by Charles Babbage in the year 1837. It would produce huge mathematical tables automatically and error-free.

Meet the first "Programmer"

• Lady Ada Lovelace discovered that the Analytical engine can perform more that producing results of Mathematical tables.

• ​She found a way to program the machine using "Algorithms" which are a sequence of steps to complete a task

Multiple Choice

This is a. . 

• Enigma machine used by Germans during WW2

• Typewriter to type letters in olden times

• Printer to print assignments

​The Enigma Machine

• ​Used by Germans to send secret messages between military camps

• ​Messages were jumbled to prevent allied troops from reading messages and foiling plans

Multiple Choice

He worked on codebreaking and to intercept messages from the Enigma machine used by Germans. His name is

• Steve Jobs

• Sir Alan Turing

• Bill Gates

​The Enigma Machine

Multiple Choice

Identify the people in the picture

• Bill Gates and Steve Jobs

• John McAfee and Eugene Kaspersky

• Sir Alan Turing and Charles Babbage

How do computers understand human language?

​-Computers convert everything to binary system which uses only 2 numbers- 0 and 1

​Write your name in Binary

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MR PRADEESH

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01001101 01010010 00100000 01010000 01010010 01000001 01000100 01000101 01000101 01010011 01001000 00001010 00001010

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​Thank you!