Kiosk-style Presents
Intro to Computer Literacy
ASSIGNMENT 4 GRAPHICS INTERACTIVE
POWER POINT
CECS 5260 BY DENNIS FREEMAN, SR.
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Literally computers are everywhere!
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Computers are everywhere; work, home, grocery store,
automotive repair shops. Some computers sit on top of a desk or
on the floor. Recently we have added a new dimension to mobile
computing. With the advent of the new lite weight phone called
“Apple 4 ” with internet use up to 5 hours on 3G or WiFi networks
and 1GHz of processor speed mobile devices are often classified
as computers. Computers have become the primary means of
global communication for billions of people. Yes I would venture
to say that computers have become a common part of our lives.
Everywhere you look from video games to cell phones everybody
is engaged somehow. From mother in her late seventies Internet
dating to the grand babies using it for video games. Computer
literacy or digital literacy is vital and therefore we need to know
that means and how we are involved in it and not know it. What
is Computer literacy? I glad you asked, as we continue we hope to
emphasize that it’s the knowledge and a understanding that is
current and relevant of a ever changing world of computers.
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One could define it as an electronic device, operating
under the control of instructions stored in its own
memory, that can accept data, process the data
according to specified rules, produce results, and store
the results for future use.
Collects data
(input)
Processing
Produces
information
(output)
Information Processing Cycle
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A computer contains many electric, electronic, and mechanical
components known as hardware. However , five categories can
summarize the basics.
Input Device
Output Device
System Unit
Storage Device
Communications
Device
• Allows you to enter data and instructions into a
computer
• Hardware component that conveys information to one
or more people
• Case that contains the electronic components of the
computer that are used to process data
• Holds data, instructions, and information for future use
• Enables a computer to send and receive data,
instructions, and information to and from one or more
computers or mobile devices
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Fastest supercomputers
are capable of processing
more than one quadrillion
instructions in a single
second
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Speed
Reliability
Consistency
Storage
Communications
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Health Risks
Violation of Privacy
Public Safety
Impact on Labor Force
Impact on Environment
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Green computing involves reducing the electricity
consumed and environmental waste generated
when using a computer
Strategies include:
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Recycling
Regulating manufacturing processes
Extending the life of computers
Immediately donating or properly disposing of replaced computers
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A network is a
collection of
computers and
devices connected
together, often
wirelessly, via
communications
devices and
transmission media
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The Internet is a worldwide collection of networks
that connects millions of businesses, government
agencies, educational institutions, and individuals
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