Computers

By: Christine Ho CIS 005– Prof. Villegas

First Generation Computers ( 1940s- 1950s)

ENIAC ( electronic Numerical Integrator & computer) Didn’t operate with binary code. Vaccum Tubes

Second Generation Computers (1955-1960) Transistor Computers

Transistors replace vaccum tubes. Third Genneration Computers (1960s)

Integrated circuits replace transistors

History

Fourth Generation Computers (1971-present)

Microprocessor

History

Input Devices

Input device is any peripheral used to provide data and control signals to an information processing system such as a computer.

Mouse, Keyboard, etc… Output Devices

Output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system.

Monitors, Printers, etc…

Devices

Telecommunication network that allows

computers to exchange data. Ethernet is a family of protocols used in LANs

(Local area network)

Network

The purpose of a computer today(2013) is to

send and receive emails, shop online, and pay bills.

When it first came out the computer was for military use.

Purpose

The End.