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Computer Hardware

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by

Jeremias Isorena II

on 22 August 2014

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Transcript of Computer Hardware

Computer Generations: From Vacuum Tubes to Translators to Microchips
@Joel
Computer development
referred to the different generations of computing devices
first generations of computers
1950's
1960's
1970's
1980's
1990's
first generation computing
vacuum tubes are used in the first generation computers
second generation
semiconductor device are used in second generation PCs
@Jeremias
third generation computing
integrated circuits are used in third generation PCs
1964 to 1971 Third generation computers were developed
fourth generation computing
relies on the use of LSI (large-scale integration) and VLSI (very-large-scale integration)
After 1971 the fourth generation computers were built
fifth generation computing
was to be the end result of a massive government/industry research project in Japan during the 1980s
are in developmental stage which is based on the artificial intelligence
CLASSIFICATION TO COMPUTER HARDWARE
@Hannah
@Gina
@gladys
the four classifications of computer
@hannah
Micro computer or personal computer
Micro computer in 1960s and 1970s
micro computer grew and popularity
mid-range computers
@Gina
mini-computer
Industrial process - control and manufacturing (CAM)
Computer - aided design (CAD)
mid-range computers
telecommunications processing and network management
internet
other applications:
data warehouse management
data mining
on-line analytical processing
mainframe computer
large
fast
powerful computer system
Mainframe Computers
examples:
major international banks
airlines
oil companies
large corporations
workstations
@Gladys
RISK (Reduced Instruction Set Computer
Widespread acceptance
computing power
super computers
extremely powerful computer system
massive numeric computations
applications
Computer System Concept
@Camille
Computer
More than a high – powered collection of electronic devices performing a variety of information processing chores.

A system with an interrelated combination of components that performs the basic system functions.
Provides users with a powerful information - processing tool.
Basic System Functions
Input
Processing
Output
Storage
Control
INPUT
Converts data into electronic machine – readable form for direct entry or through telecommunications link into a computer system.

Input of a computer system includes:
PROCESSING
The Central Processing Unit (CPU) is the main processing component of a computer system. The electronic circuits of the Arithmetic Logic Unit (ALU) performs the arithmetic and logic functions required in computer processing.
Processing of a computer system includes:
OUTPUT
Converts electronic information produced by the computer system into human – intelligible form for presentation to end users.
Output of a computer system includes:
STORAGE
Takes place in the storage circuits of the computer’s primary storage unit, or memory, and in secondary storage devices. These devices store data and program instructions needed for processing.
Storage of a computer system includes:
CONTROL
It is the control component of the computer system. Its circuits interpret computer program instructions and transmit directions to other components of the computer system.
Computing trends
@Ladykath
@janella
The Categories of Computer hardware
@maryrose
@annie
@grace
Electronic bulletin board system
is an on-line service that allows people to communicate with others on topics of common interest
ELectronic mail (EMS/e-mail)
is said to offer of advantages of speed and versatility over its conventional rivals and to combine the best features of telephone and paper communication.
-text manipulation facilities
-a variety of message formats
-communication over long time
-ability to receive messages
ability to route messages
video messaging systems
one video-messaging system is video conferencing.
online services
a computer online services is a commercial information service.
other internet features
Yahoo IM
Google Talk
MS Messenger
END
GROUP 1
OUTPUT HARDWARE
HARD COPY OUTPUT DEVICES
SOFT COPY OUTPUT DEVICES
COMUNICATION HARDWARE
modem
cable
fax modem
wireless technologies

Second generation
In1947 three scientist invented the transistors. John Bardeen, William Shockey, and Walter Brattain working at AT&T's Bell Labs.
source: THIRD GENERATION COMPUTERS http://latesttechnomanias.blogspot.com/2010/06/third-generation-computers.html
SOURCE: FOURTH GENERATION COMPUTERS http://latesttechnomanias.blogspot.com/2010/06/fourth-generation-computers.html
SOURCE: FIFTH GENERATION COMPUTERS http://latesttechnomanias.blogspot.com/2010/06/fifth-generation-computers.html
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