History of Computers and Communication

1
History of Computers and Communication

• Objective To Understand the Basic History
  Behind the Computer As Well As the Various Parts
  of a Computer and Their Roles in Processing
  Information

2
Early Calculators

• Abacus
• Mechanical Calculator
• Arithometer
• Analytical Engine

3
Charles Babbages Design
Input
Storage
Processing
Output
4
History of the Computer Video
Click on space below for video.

• The problem with Babbage's and other mechanical
  calculators was just thatthey were mechanical.
  The moving parts they relied on were slow and
  subject to breakdown.

5

• Input- The data that is entered into a computer
• Storage- In computing, any device in which (or on
  which) information is stored
• Processing- The manipulation of data by a
  microprocessor or embedded processor according to
  instructions given to it by a program or embedded
  in the chip itself
• Output- The computer generated information that
  is displayed to the user in some discernible form
  such as a screen display, printed page, or sound

6
Meeting the Needs

• With electronic components, a fast and efficient
  machine such as Babbage proposed could be built
  with all four components essential to modern
  computing.
• Electronic- Adjective for describing a device or
  result that is dependent on the action of
  electrons to work.

7
Four Components of a Computer
Click on space below for video.

• Computer vs. Toaster
• A computer processes information
• A toaster processes bread

8
How A Computer Works
Data
Main processing unit of a computer the brains
of the machine
Programs and data that make hardware work.
Anything you can touch.
9
Which Does What?

• Can you guess what all the parts of a computer
  are and what their role in processing is?
• Activity 1

10
What about our timeline?

• What is the relationship of these communication
  inventions to the modern day computer?
• Which inventions had to happen in order for the
  Internet to exist?
• Which ways of communicating were invented a very
  long time ago? Which are the most recent?
• Which prior invention was most important to the
  invention of the Internet?