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CS1100 Intro. to Computers. Mr. Bailey Office: Memorial 109 Office Hours: Tue. & Thu. 12:30 – 2:00 Phone: 535-2535 Lecture – One day a week Lab – Alternate days - Memorial 213 http://oz.plymouth.edu/~bailey. Lecture. Lab. CS1100 Intro. to Computers. Course Content
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CS1100 Intro. to Computers • Mr. Bailey • Office: Memorial 109 • Office Hours: Tue. & Thu. 12:30 – 2:00 • Phone: 535-2535 • Lecture – One day a week • Lab – Alternate days - Memorial 213http://oz.plymouth.edu/~bailey Plymouth State University
Lecture Plymouth State University
Lab Plymouth State University
CS1100 Intro. to Computers • Course Content • Exams - One every 5 weeks • Labs – One per week after lecture • Grading • Exams - 40% • Labs - 40% (Late labs will lose 10% per week) • Research Paper 10% • Project 10% Plymouth State University
Storage device(or your “M:” drive) You will need... Plymouth State University
Course Content • History of Computers • Hardware • Software • Windows 7 • Word Processing • Spreadsheets • The Internet • Impact of computers on our lives Plymouth State University
Keep Your Work • Please keep all of your graded labs and exams until you get your final grade. • If I have not given you credit for completed work, I will correct your grade. Plymouth State University
How NOT to Take Notes Plymouth State University
The Computer as a Mind Tool Introduction to Information Technology Plymouth State University
Information Technology • What is it? • Definition: Information Technology (IT) describes any technology that helps to produce, manipulate, store, communicate, and/or disseminate information • Computer technology • Communications technology Plymouth State University
Infotech in Entertainment & the Arts • Videogames • Downloading • Movies • Music • Term papers???? • Ethical/legal questions • Many movies use computer animation • Digital editing Plymouth State University
Internet, World Wide Web, & Cyberspace • Internet • The worldwide computer network • Links thousands of smaller networks • Originally developed to share only text and numeric data Plymouth State University
What is a “Computer” • Originally a Person who worked with numbers • Now a Machine Plymouth State University
Stonehenge Plymouth State University
Abacus Plymouth State University
Types of Computers • Electronic • Mechanical • Analog • Digital • General-purposeSpecial-purpose Plymouth State University
“Computer” • An electronic, general-purpose, digital computer Plymouth State University
The First Electronic Digital Computer • http://www.youtube.com/watch?v=wGIteTE9glQ&NR=1 Plymouth State University
Electronic Components of a Computer Integrated Circuit (chip) Transistor Vacuum Tube Plymouth State University
Hand-held Computer Plymouth State University
A Brief History of Computers 1946 1960 1970 1980 1990 Vacuum Tubes IBM PC Transistors Integrated Circuits ENIAC Plymouth State University
Technology • More progress in last 50 years than in the preceding 10,000 • Computers partly responsible • Computer - tool of many uses Plymouth State University
5 Computer Types • Supercomputers • Priced from $1 million to $350 million • High-capacity machines with thousands of processors • Multi-user systems • Mainframe Computers • Workstations • Microcomputers • Microcontrollers Plymouth State University
5 Computer Types • Supercomputers • Mainframe Computers • Until late 1960’s, the only computer available • Cost $5,000 - $5 million • Multi-user systems; accessed using a terminal • Terminals only have a keyboard and monitor; can’t be used alone • Workstations • Microcomputers • Microcontrollers Plymouth State University
5 Computer Types • Supercomputers • Mainframe Computers • Workstations • Introduced in early 1980s • Expensive, powerful personal computers • Used for scientific, mathematical, engineering, computer-aided design (CAD), computer-aided manufacturing (CAM) • A less-expensive alternative to mainframes • Microcomputers • Microcontrollers Plymouth State University
5 Computer Types • Supercomputers • Mainframe Computers • Workstations • Microcomputers • Personal computers that cost $500 to $5000 • Used either stand-alone or in a network • Types include: desktop, tower, notebooks, or Personal Digital Assistants (PDAs) • Microcontrollers Plymouth State University
5 Computer Types • Supercomputers • Mainframe Computers • Workstations • Microcomputers • Microcontrollers • Also called embedded computers • Tiny, specialized microprocessors inside appliances and automobiles • They are in: microwaves, programmable ovens, blood-pressure monitors, air bag sensors, vibration sensors, MP3 players, digital cameras, e-pliances, keyboards, car engine controllers, etc. Discussion Question: Now, how many of you would say you have NOT used a computer today? Plymouth State University
Why become computer savvy? • Know what computers can do for you • Know the limitations of computers • Know how computers can harm you • Know how to solve computer problems • Know when & how to get help Plymouth State University
Common Computer Uses... • Supermarket Checkout • Automobiles • CD Player • Microwave Ovens • Video Games • Home Computers • Check Processing • And Many More... Plymouth State University
Importance of Computers • Speed • Accuracy • Consistency • Reliability • Storage Capacity Plymouth State University
Computers help to: • Make us more productive • Make better decisions • Reduce costs Plymouth State University
The “Revolution” • Stone Age • Bronze Age • Industrial Revolution • Information Age • Information Society Plymouth State University
The Information Age • Information: • Has value • Is bought and sold Plymouth State University
Computers and Information • Computers make: • Data collection easier • Production of information easier, faster, better • Information available in more useable forms • Help us be more effective Plymouth State University
DATA and INFORMATION • DATA- Raw, unprocessed facts, not very useful in their current form • INFORMATION - The result of processing the DATA - more useful to us Plymouth State University
How Computers Work • Processes data into information • Uses hardware & software • Operates by performing: • Input - Output • Processing - Communications • Storage Plymouth State University
Data Becomes Information DATA INPUT PROCESSING OUTPUT INFORMATION Plymouth State University
Data Becomes Information DATA INPUT PROCESSING OUTPUT INFORMATION STORAGE Plymouth State University
Basic Concepts of Computers • Minimal configurations of a typical computer include: • input units • output units • storage • central processing unit Plymouth State University
Data Becomes Information • Example • Supermarket Checkout Plymouth State University
Bar Code Reader Plymouth State University
Data Becomes Information DATA INPUT PROCESSING OUTPUT STORAGE INFORMATION Plymouth State University
Basic Concepts of Computers • Computer Hardware • The electronics and associated mechanical parts of the computer. • Computer Software • Consists of instructions that control the hardware and cause the desired process to happen Plymouth State University
The System Unit Power Supply Hard Drives or CD-ROM Drives System Board Floppy Drive Expansion Card Plymouth State University
Bar Code Plymouth State University
The Keyboard Plymouth State University
Ergonomic Keyboard Plymouth State University
Care of the Keyboard Plymouth State University
Telephone Keypad Plymouth State University