Computers for Organizations Network Servers Mainframe Computers Minicomputers Supercomputers Computers in Society

1. Exploring Computers and Their Uses
Company
LOGO

2. Lecture 02: Roadmap
 Computers for Organizations
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Network Servers
Mainframe Computers
Minicomputers
Supercomputers
 Computers in Society
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3. Computers For Organizations
 Network servers
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Centralized computer
All other computers
connect
Provides access to
network resources
Multiple servers are
called server farms
Often simply a powerful
desktop
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4. Computers For Organizations
 Minicomputers
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Called midrange computers
Power between mainframe a
and desktop
Handle hundreds of users
Used in smaller organizations
Users access through
a terminal
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5. Computers For Organizations
 Mainframes
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Used in large
organizations
Handle hundreds or
thousands
of users
Store tremendous
amount of data.
Users access
through a terminal
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6. Computers For Organizations
 Supercomputers
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The most fastest, expensive and powerful computers
Can execute 100 trillion instructions in single sec.
Weight is 100 tons.
Store 20,000 times more data than desktop.
Handle large and complex calculations
Process trillions of operations per second
Found in research organizations, Nuclear energy
research.
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7. Cont.
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8. Computers In Society
 More impact than any other invention
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Changed work and leisure activities
Used by all demographic groups
 Computers are important because:
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Provide information to users
Information is critical to our society
Managing information is difficult
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9. Computer in Society
 Computers at home
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Many homes have multiple
computers
Most American homes have
Internet
Computers are used for
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Business
Budgeting and financial mangment
Entertainment
Communication
Education
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10. Computers In Society
 Computers in education
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Computer literacy required at all levels
 Computers in small business
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Makes businesses more profitable
Allows owners to manage
 Computers in industry
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Computers are used to design products
Computer aided Manufacturing(CAM)
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11. Computers In Society
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Computers for Mobile Users
Computers for power users
Computers for large business users.
Computers for traveling
Computers for publishing
Computers in Finance
Example Online Banking
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12. Computers In Society
 Computers in government
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Necessary to track data for
population
 Police officers
 Tax calculation and collection
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Governments were the first
computer users
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13. Computers In Society
 Computers in health care
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Revolutionized health care
New treatments possible
Scheduling of patients has
improved
Delivery of medicine is
safer
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