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7/30/2019 Lecture 1 Introduction_to Computers
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INTRODUCTIONTO COMPUTERS
ANDINFORMATIONTECHNOLOGY
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Learning Objectives:
Define the term Information Technology (IT)
Discuss the purpose and benefits of Information Technology
Discuss the functions of InformationTechnology
Identify and discuss applications of
Information Technology
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What is Information Technology?
Information Technology (IT) entails all aspects of
.
IT includes any and all
used to
as well as
services that are utilized to maintain operations of
resources.
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Purpose of Information Technology
IT is used:
To improve operations of any organization/individual by utilizing
technology as the underling tool to improve the processing and
dissemination of information.
in helping organizations achieve profitable results and keep competitive
forces in check.
in optimizing effectiveness and efficiency of processes within the industry it
is used, whether education, business, science etc.
to solve problems .
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Benefits of Information Technology
The processing of transactions is carried out
at high speeds. The ability of computers to performinformation processing in fractions of a second
primarily facilitates high processing speed.
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Once a computer has been given the
correct instructions to execute a specific command,
that command will be executed consistently withoutvariation each time.
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A computer can transfer data
quickly from storage to memory process it
and then store it again for future use.
Most Computers to daycan communicate with other computers
often wirelessly.
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Computer systems provide
reliability by ensuring consistency, speed
and precision in the execution of tasks.
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Application of Information Technology
Tourism Industry Online Reservation Systems
Education
Online education
Entertainment
Pixar’s digital animation
In current news :
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Business
Science
Los Angeles Times (08/13/12) Amina Khan
U.S. National Aeronautics and Space Administration (NASA) engineersrecently updated the software for the Mars Curiosity rover as it prepares for itsMartian surface operations. The software will add the ability to use thegeochemistry lab's sampling system and to drive.
Architecture
Personal computing
Social Social Cloud TV is the next frontier of TV experience because it enables users
to "bring the social experience of watching television in the living roomwherever they go
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Tutorial Questions
Discuss the importance of computer literacy in your chosenfield.
How do you see the complexion of jobs changing as theinformation society evolves?
How has IT impacted on your life? What are the advantages and disadvantages of usingcomputers?
a. Give examples of the impact of computer applications thatare used in society?
b. What future benefits do you envision in these areas?
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is any electronic system that can be
instructed to accept data, process it, store and
present data and information.
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A computer system consists of a system unit, storage devices, input
devices, output devices, and communications devices.
is a case that contains the electronic components of the computer that are used to process data. Two main components
on the motherboard are the processor and memory.
: holds data and program instructions for future use.
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: computer hardware that allows a user to
enter data and instructions, into a computer.
: devices such as printers and video
display terminals that converts electronic data produced
by the computer system and display them in a form that
people can understand.
: provide connections between
the computer and communications networks.
