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![Page 1: Slide 1 Computing History Milestones 1946 first large-scale electronic computer 1951 one of the first commercial computers 1963Computer mouse developed.](https://reader034.fdocuments.us/reader034/viewer/2022051516/56649ef25503460f94c039b6/html5/thumbnails/1.jpg)
Slide 1
Computing History Milestones
1946 first large-scale electronic computer
1951 one of the first commercial computers
1963 Computer mouse developed
1965
1977
1981
Lesson 10
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Slide 2
Computing History Milestones
1983 Notebook computers introduced
1984 computers introducedMouse and icons became important tools
1991World Wide Web was developedInternet use began to grow rapidly
1993 PDAs (handheld computers) introduced
2001 Tablet PCs introduced
PresentHandheld computers, smart phones, and other computers are becoming smaller and more powerful
Lesson 10
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Slide 3
The PC Race
• The space industry’s need for computers led to– Smaller computers– Faster computers– More powerful computers– Computers in common
devices
Lesson 10
Flat Screen TV
©GettyImages/PhotoDisc
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Slide 4
20 years later and all of thesethings fit in your pocket.
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Slide 5
Communicating with Computers
How do you use the computer to
communicate?
Lesson 1
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Slide 6
Personal Computer
• A small computer designed for an individual user
• Examples– Desktop model– Laptop– Tablet PC
Lesson 1
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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 Slide 7
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Slide 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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Slide 9
Hardware: the physical parts of a computer or device
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Slide 10
Software: programs that give instructions to the computer or device
2 Types of Software:
1. Operating system software
2. Application programs
Lesson 1
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Slide 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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Application Software
• Software that helps users perform tasks
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5 steps to Information Processing
1. Input
2. Processing
3. Distribution
4. Output
5. Storage
Slide 13
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INPUT
• To give data to the computer
Slide 14
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PROCESSING & DISTRIBUTION
• Processing:– To change or use data
• Distribution:– To send data to the location that needs it.
Slide 15
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OUTPUT
• To receive information from the computer.
Slide 16
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STORAGE
• To save data for a later use.
Slide 17
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Slide 18
Information Processing Recap
• Input: To give
• Processing: To change or use
• Distribution: To send
• Output: To receive
• Storage: To saveLesson 1
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On your paper…..
Input
Processing
Output
Distribution
Storage Slide 19
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Slide 20
Binary Code
• Base 2 number system• Made up of 1’s and 0’s• The “language” of the computer
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Slide 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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Computer
A machine or device that
follows a set of instructions to
change or store data.
Slide 23
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Slide 24
ENIAC (1946)
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Slide 25
ENIAC Continued…
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Slide 26
UNIVAC (1951)
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Slide 27
UNIVAC Continued…
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Slide 28
1963 Computer MouseStanford Research Center
Douglas Englebart
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Slide 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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Slide 30
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Slide 31
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Slide 32