Plymouth State University CS1100 Intro. to Computers Mr. Bailey Office: Memorial 109 Office Hours: Tue. & Thu. 1:45 – 3:30 Phone: 535-2535 Lecture – First part of class Lab – After lecture - Memorial 213 http://oz.plymouth.edu/~bailey Plymouth State University CS1100

Plymouth State University Lecture Plymouth State University CS1100

Plymouth State University Lab Plymouth State University CS1100

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 CS1100

Plymouth State University You will need... Storage device (or your “M:” drive) Plymouth State University CS1100

Plymouth State University Course Content History of Computers Hardware Software Windows Vista Word Processing Spreadsheets The Internet Impact of computers on our lives Plymouth State University CS1100

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 CS1100

Plymouth State University How NOT to Take Notes Plymouth State University CS1100

Introduction to Information Technology The Computer as a Mind Tool Plymouth State University CS1100

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 CS1100

Infotech in Entertainment & the Arts Videogames Downloading Movies Music Term papers???? Ethical/legal questions Many movies use computer animation Digital editing Plymouth State University CS1100

Internet, World Wide Web, & Cyberspace The worldwide computer network Links thousands of smaller networks Originally developed to share only text and numeric data Plymouth State University CS1100

Plymouth State University What is a “Computer” Originally a Person who worked with numbers Now a Machine Plymouth State University CS1100

Plymouth State University Stonehenge Plymouth State University CS1100

Plymouth State University Abacus Plymouth State University CS1100

Plymouth State University Types of Computers Electronic Mechanical Analog Digital General-purpose Special-purpose Plymouth State University CS1100

Plymouth State University “Computer” An electronic, general-purpose, digital computer Plymouth State University CS1100

The First Electronic Digital Computer http://www.youtube.com/watch?v=wGIteTE9glQ&NR=1 Plymouth State University CS1100

Electronic Components of a Computer Integrated Circuit (chip) Transistor Vacuum Tube Plymouth State University CS1100

Plymouth State University Hand-held Computer Plymouth State University CS1100

A Brief History of Computers 1946 1960 1970 1980 1990 Vacuum Tubes IBM PC Transistors Integrated Circuits ENIAC Plymouth State University CS1100

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 CS1100

Plymouth State University CS1100

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 CS1100

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 CS1100

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 CS1100

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 CS1100

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 CS1100

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 CS1100

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 CS1100

Importance of Computers Speed Accuracy Consistency Reliability Storage Capacity Plymouth State University CS1100

Plymouth State University Computers help to: Make us more productive Make better decisions Reduce costs Plymouth State University CS1100

Plymouth State University The “Revolution” Stone Age Bronze Age Industrial Revolution Information Age Information Society Plymouth State University CS1100

Plymouth State University The Information Age Information: Has value Is bought and sold Plymouth State University CS1100

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 CS1100

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 CS1100

Plymouth State University How Computers Work Processes data into information Uses hardware & software Operates by performing: Input - Output Processing - Communications Storage Plymouth State University CS1100

Data Becomes Information INPUT PROCESSING OUTPUT INFORMATION Plymouth State University CS1100

Data Becomes Information INPUT PROCESSING OUTPUT INFORMATION STORAGE Plymouth State University CS1100

Basic Concepts of Computers Minimal configurations of a typical computer include: input units output units storage central processing unit Plymouth State University CS1100

Data Becomes Information Example Supermarket Checkout Plymouth State University CS1100

Plymouth State University Bar Code Reader Plymouth State University CS1100

Data Becomes Information INPUT PROCESSING OUTPUT STORAGE INFORMATION Plymouth State University CS1100

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 CS1100

Plymouth State University The System Unit Power Supply Hard Drives or CD-ROM Drives System Board Floppy Drive Expansion Card Plymouth State University CS1100

Plymouth State University The Keyboard Plymouth State University CS1100

Plymouth State University Care of the Keyboard Plymouth State University CS1100

Plymouth State University Telephone Keypad Plymouth State University CS1100

Plymouth State University Monitors Type (CRT or LCD) Size Resolution Pixels Plymouth State University CS1100

Plymouth State University "Touch" Screen Restaurants Hotels Transportation Plymouth State University CS1100

Plymouth State University Special Terminals ATM’s POS’s Plymouth State University CS1100

Plymouth State University Restaurants Specialized Keyboard Hamburger Cheese- burger Fish Sandwich French Fries Onion Rings Salad Coke Pepsi Shake Plymouth State University CS1100

The CPU (Central Processing Unit) Plymouth State University CS1100

Plymouth State University The “Chip” or IC Plymouth State University CS1100

Computer Storage (Media) 3 1/2" Diskette CD ROM Flash drives Plymouth State University CS1100

Plymouth State University “Floppy” Disk Drive Floppy Disk Drive Plymouth State University CS1100

Plymouth State University Hard Disk Drive Plymouth State University CS1100

Plymouth State University Bits and Bytes BIT stands for Binary Digit A BIT is the smallest unit of storage It is either ON (1) or OFF (0) A BYTE consists of eight BITs 1 1 1 1 Plymouth State University CS1100

Plymouth State University Storage Hardware Storage capacity Byte – 1 character Kilobyte – 1000 characters Megabyte – 1 million characters Gigabyte – 1 billion characters Terabyte – 1 trillion characters Plymouth State University CS1100

Plymouth State University Computer Lab MINICOMPUTER INTERNET Plymouth State University CS1100

Misuse of Computer Technology Plymouth State University CS1100