Why computers matter to you

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Why computers matter to you
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Computer fluency

• What does it mean to be computer fluent?

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Savvy computer users consumers

• Avoid hackers viruses
• Protect privacy
• Use Internet wisely
• Avoid online annoyances
• Maintain, upgrade, troubleshoot
• Smart consumer
• More sought after by employers
• Integrate latest technology
• More active aware participant in society

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Computer fluency

• http//www.cs.clemson.edu/cashiel/WishIKnew.doc

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Computers at work

• Business
• Retail
• Shipping
• Ranching farming
• Arts
• Medical field
• Law enforcement

• Legal fields
• Education
• The sciences
• Sports
• Computer gaming
• Computers at home
• Textiles

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Computers in Business

• Point of Sale Terminals
• Tracking merchandise
• Data mining

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Computers in Farmingand Ranching

• Assist in managing complex farming business and
  information systems
• RFID tags track and record animals in case of
  diseases
• Computerized sensors and equipment activation
  protect crops

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Computers in the Arts

• Virtual art

• Virtual dance

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Computers in the Medical Field

• Virtual reality in medical applications
• Patient simulator

• Da Vinci Surgical System

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Computers in Law Enforcement

• Computer forensics

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Computers in the Legal Fields

• Surveillance cameras
• Forensic animation

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Computers in Education

• Computers in the classroom
• Distance education
• Computerized research
• The Internet

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Computers and the Sciences

• Supercomputers
• Archeology
• Meteorology

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Computers in Sports

• Training
• Timing and scorekeeping
• Data storage and statistics
• Smartballs sense when soccer goals are scored

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Computer Gaming Careers

• Programming
• 3D animation

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Computers at Home

• Robotics
• Smart appliances

Internet-connected refrigerator
Robomower
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Computers in Textiles

• Smart fabrics with computerized chips woven into
  the fabric
• Smart fabrics made with nanoparticles

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Other benefits of computers

• Tasks more efficient
• Communication
• Automobiles
• Tools for disabled
• Identification
• Tracking devices

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Challenges

• Government surveillance
• Employee surveillance
• Email monitoring
• Data mining
• Spam
• Music downloading
• Copying software
• others

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Negative Impact of Computers

• Loss of human interaction?
• Digital divide
• Quality of life
• Overall, are computers beneficial or harmful?

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Loss of Skills Judgment

• I have a spelling checker.
• It came with my PC.
• It plainly marks four my revue,
• Miss steaks aye can knot sea.
• Eye ran this poem threw it,
• Im sure your pleased to no.
• Its letter perfect in its weigh,
• My checker tolled me sew.

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In class exercise

• Open up Microsoft Word
• go to Tools
• then Thesaurus
• look up the word fool

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Famous Predictions

• My personal desire would be to prohibit entirely
  the use of alternating currents. They are
  unnecessary as they are dangerous. - - Thomas
  Edison, 1899
• I think there is a world market for maybe five
  computers. - - Thomas J. Watson, chairman of
  IBM, 1943
• Computers in the future may weigh no more than
  1.5 tons. - - Popular Mechanics, 1949
• There is no reason for any individual to have a
  computer in their home. - - Ken Olson, president
  of DEC, 1977
• The US will have 220,000 computers by the year
  2000. - - official forecast by RCA Corp., 1966
  (actual number was close to 100 million)

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Can We Trust Computers?

• Billing errors
• Credit report errors
• Database errors
• SW glitches
• The Therac-25

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Leads us to the question

• Are we too dependent on computers?

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Technology of tomorrow

• Nanoscience
• Biomedical chip implants
• Artificial intelligence
• RFID
• Biometrics

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Nanoscience

• Molecules and nanostructures
• Nanomachines

Four-a-helix protein scaffold
Fluid flow inside Nanomachines
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Biomedical Chip Implants

• Technological solutions to physical problems
• Identity chips

Retinal Implants
VeriChip
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Artificial Intelligence

• Robots
• Neurons vs. Microchips

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RFID

• Many uses toll collection, cattle, pet
  implants, airline baggage tracking, building
  access, passports and drivers licenses

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Biometrics

• Fingerprint to get onto a computer system
• USCs work-out center
• Supermarkets
• Logan Airport
• School libraries lunchrooms

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Other New Technology

• Small chips that contains information
• Wearware
• Flying sensors/computers
• Biological devices

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How Much is a Byte?
NAME ABBREVIATION NUMBER OF BYTES RELATIVE SIZE
Byte B 1 byte Can hold one character of data.
Kilobyte KB 1,024 bytes Can hold 1,024 characters or about half of a typewritten page double-spaced.
Megabyte MB 1,048,576 bytes A floppy disk holds approximately 1.4 MB of data, or approximately 768 pages of typed text.
Gigabyte GB 1,073,741,824 bytes Approximately 786,432 pages of text. Since 500 sheets of paper is approximately 2 inches, this represents a stack of paper 262 feet high.
Terabyte TB 1,099,511,627,776 bytes This represents a stack of typewritten pages almost 51 miles high. (Planes fly at about 6 miles above the earths surface.)
Petabyte PB 1,125,899,906,842,624 bytes The stack of pages is now 52,000 miles high, or about one-fourth the distance from the Earth to the moon.
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How many songs can fit on my iPod?
CAPACITY NUMBER OF SONGS
iPod Shuffle 512 MB, 1 GB 120, 240
iPod Nano 4 GB, 8 GB 1000, 2000
iPod 5G (with video) 30 GB, 60 GB 7500, 15,000
iPod classic (6G) 80 GB, 160 GB 20,000, 40,000
iPod Touch 8 GB, 16 GB 1750, 3500