Peter Norton’s Introduction to Computers
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Transcript of Peter Norton’s Introduction to Computers
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Chapter 1
The Amazing ComputerWOW!
Peter Norton’s Introduction to Computers
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Learning Objectives:• List at least five professions in which computers are routinely
used, and describe at least on of the ways computers have affected the work of people in those professions.
• List the four parts of a computer system.
• Identify four kinds of computer hardware.
• List the two major categories of software and explain the purpose of each.
• List the four most common types of computers available today and describe what kind of job each does best.
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Computer - an electronic device used to process data.
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• Hardware - physical parts of the computer
• Software - instructions to the computer
• Data - raw facts the computer can manipulate
• People - also known as users
Computer System:
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Computer Hardware - any part of the computer you can touch.
• Processor• Memory• Input and Output Devices• Storage Devices
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Output
Some types of hardware devices.
Storage
Input
Processor
Input andoutput
Memory
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Software - electronic instructions to the computer. Also referred to as a “program.”
Two types:• System Software• Application Software
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• Operating Systems• Windows 95• Windows 98• OS/2
• Disk Utilities
System Software:
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Application Software:
• Word Processing
• Spreadsheets
• Graphics
• Databases
• Entertainment
• Educational
• Communications
• Presentation
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Application software and system softwarework together to provide useful output.
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Software brings a computer to life.
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Types of Computers:
• Supercomputer
• Mainframe
• Minicomputer
• MicrocomputerMainframe computer
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Supercomputer
Minicomputer
Microcomputer
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Who Uses Computers?
• Military
• Doctors
• Educators
• Engineers
• Architects
• Musicians
• Filmmakers
• Attorneys
• Bankers
• Architects
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A medical team using “robodoc” to assist in surgery.
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Musicians can use MIDI technologyto compose and edit their work.
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Learning Objectives:Chapter 1 Review
• List at least five professions in which computers are routinely used, and describe at least on of the ways computers have affected the work of people in those professions.
• List the four parts of a computer system.
• Identify four kinds of computer hardware.
• List the two major categories of software and explain the purpose of each.
• List the four most common types of computers available today and describe what kind of job each does best.