CS1100 Plymouth State University CS1100 Intro. to Computers Mr. Bailey Office: Memorial 109 Office Hours: Tue. & Thu. 12:30 – 2:00 Phone: Lecture – One day a week Lab – Alternate days - Memorial

CS1100 Plymouth State University Lecture

CS1100 Plymouth State University Lab

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%

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

CS1100 Plymouth State University Course Content History of Computers Hardware Software –Windows 7 –Word Processing –Spreadsheets The Internet Impact of computers on our lives

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.

CS1100 Plymouth State University How NOT to Take Notes

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

CS1100 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

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

CS1100 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

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

CS1100 Plymouth State University Stonehenge

CS1100 Plymouth State University Abacus

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

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

CS1100 Plymouth State University The First Electronic Digital Computer

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

CS1100 Plymouth State University Hand-held Computer

CS1100 Plymouth State University A Brief History of Computers ENIAC Vacuum Tubes Transistors Integrated Circuits IBM PC

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

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

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

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

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

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?

CS1100 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

CS1100 Plymouth State University Common Computer Uses... Supermarket Checkout Automobiles CD Player Microwave Ovens Video Games Home Computers Check Processing And Many More...

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

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

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

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

CS1100 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

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

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

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

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

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

CS1100 Plymouth State University Data Becomes Information Example Supermarket Checkout

CS1100 Plymouth State University Bar Code Reader

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

CS1100 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

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

Plymouth State University Bar Code

CS1100 Plymouth State University The Keyboard

Plymouth State University Ergonomic Keyboard

CS1100 Plymouth State University Care of the Keyboard

CS1100 Plymouth State University Telephone Keypad

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

CS1100 Plymouth State University "Touch" Screen Restaurants Hotels Transportation

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

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

CS1100 Plymouth State University The CPU (Central Processing Unit)

CS1100 Plymouth State University The “Chip” or IC

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

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

CS1100 Plymouth State University Hard Disk Drive

Plymouth State University Compact Disk (CD)

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

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

CS1100 Plymouth State University Computer Lab INTERNET MINICOMPUTER

CS1100 Plymouth State University Misuse of Computer Technology