The history of computing

An informative leaflet

Output devices

  1. printer
  2. inkjet printer
  3. speakers

Input devices

  1. Mouse
  2. Barcode reader
  3. Touch screen

Processing+Storage

Moving on...

Binary Code-What is binary code?

A coding system using the binary digits 0 and 1 to represent a letter, digit, or other character in a computer or other electronic device.


00001=A

00010=B

00100=C

01000=D

Alan Turing-Who is he?

Alan Mathison Turing OBE FRS was a pioneering English computer scientist, mathematician, logician, cryptanalyst and theoretical biologist.

What did he do?

During World War II, he developed a machine that helped break the German Enigma code. He also laid the groundwork for modern computing and theorized about artificial intelligence.

NETWORKS-What is a network?

A computer network is a set of computers connected together for the purpose of sharing resources. The most common resource shared today is connection to the Internet. Other shared resources can include a printer or a file server.

Different types of networks... Star

Star networks are one of the most common computer network topologies. In its simplest form, a star network consists of one central switch, hub or computer, which acts as a conduit to transmit messages
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Bus Topology

A bus network is a network topology in which nodes are directly connected to a common linear (or branched) half-duplex link called a bus.
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Ring Topology

A ring network is a network topology in which each node connects to exactly two other nodes, forming a single continuous pathway for signals through each node - a ring. Data travel from node to node, with each node along the way handling every packet.
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