1. Computing History Milestones
1946
first large-scale electronic computer
1951
one of the first commercial computers
1963
Computer mouse developed
1965
1977
1981
ENIAC
Univac
Minicomputers
Apple PCs introduced
IBM PCs introduced
Lesson 10
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2. Computing History Milestones
1983
Notebook computers introduced
1984
computers introduced
Mouse and icons became important tools
1991
World Wide Web was developed
Internet use began to grow rapidly
1993
PDAs (handheld computers) introduced
2001
Tablet PCs introduced
Present
Handheld computers, smart phones, and other computers are becoming smaller and more powerful
Macintosh
Lesson 10
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3. The PC Race The space industry’s need for computers led to
Smaller computers
Faster computers
More powerful computers
Computers in common devices
Flat Screen TV
©GettyImages/PhotoDisc
Lesson 10
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4. 20 years later and all of these things fit in your pocket.
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5. Communicating with Computers
How do you use the computer to communicate?
Lesson 1
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6. Personal Computer A small computer designed for an individual user
Examples
Desktop model
Laptop
Tablet PC
Lesson 1
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7. Other types of Computers
Supercomputers: Process very large amounts of information
Predicts weather such as hurricanes
Military
Doplar
Mainframes
Used by government, businesses, and researchers to process very large amounts of information.
Mini-Computers
Smaller than a mainframe computer but larger than a PC
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8. Network Computers linked to one another form a network
The Internet is a worldwide network
LAN – Local Area Network. Network of computers covering a small area.
Home, office, school
WAN – Wide Area Network.
Network of computers
covering a broad area
(National, International)
Lesson 11
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9. Hardware: the physical parts of a computer or device
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10. Software: programs that give instructions to the computer or device
2 Types of Software:
Operating system software
2. Application programs
Lesson 1
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11. Operating System Software
Runs the basic operations of the computer
Most important software on a computer
Controls the hardware
Makes running other types of software possible
Gives important messages about the computer
Ex: Microsoft Windows XP, Windows 7, etc.
Lesson 2
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12. Application Software
Software that helps users perform tasks

13. 5 steps to Information Processing
Input
Processing
Distribution
Output
Storage
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14. INPUT
To give data to the computer
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15. PROCESSING & DISTRIBUTION
To change or use data
Distribution:
To send data to the location that needs it.
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16. OUTPUT
To receive information from the computer.
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17. STORAGE
To save data for a later use.
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18. Information Processing Recap
Input: To give
Processing: To change or use
Distribution: To send
Output: To receive
Storage: To save
Lesson 1
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19. Input Processing Output Distribution Storage
On your paper…..
Input Processing Output Distribution Storage
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20. Binary Code Base 2 number system Made up of 1’s and 0’s
The “language” of the computer
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22. Peripherals
Devices that can work with your computer to give it a broader function.
Examples
Printers
Digital tablets
Scanners
Digital cameras
Lesson 1
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23. Computer
A machine or device that follows a set of instructions to change or store data.
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24. ENIAC (1946)
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25. ENIAC Continued…
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26. UNIVAC (1951)
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27. UNIVAC Continued…
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28. 1963 Computer Mouse Stanford Research Center Douglas Englebart
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29. Minicomputer (1965)
Considered to be the first commercially successful minicomputer. It’s price was $18,000! This reasonable price, along with speed, and small size, is what made it successful. Costumers included manufacturing plants, small businesses, and scientific laboratories.
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