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FSU CGS 2100 - Chapter 1

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Chapter 1: Why Computers Matter To You: Becoming Computer Literate Why Should You Become Computer Literate?1. We are surrounded everywhere by computers2. Being computer literate means being familiar enough with computers that you understand their capabilities and limitations and you know how to use them.3. Computer-Literate employees are sought after in almost every vocation.Becoming a Savvy Computer User and Consumer1. Avoiding hackers and viruses2. Protecting your privacy 3. Understanding the real risks: Being able to separate the real privacy and security risks from things you don’t have to worry about.4. Using the Internet and the web wisely: People who are computer literate make the internet a powerful tool and know how to find the information they want effectively.5. Avoiding online annoyances: Junk mail and spam. 6. Being able to maintain, upgrade and troubleshoot your computer: Being computer literate means knowing which technologies are on the horizon and how to integrate them into your home setup when possible.Political Issues1. Egypt had protests and social networking helped save them- Anti-government FB page made and become popular, so government censored by shutting off internet- social networking allowed this page to be seen and people helped Egypt2. Kenya made SwiftRiver and Ushahidi as crisis mapping toolsHuman Rights1. Cameras used to show how bad a government or peoples is, get them in troubleThe Environment1. Save environment through camerasAccessible Technology1. The Digital Divide being solved by NEIHigh Low Tech 1. Hook low tech stuff up to be a jumbotronTechnology Impacts Way We Think1. Know Creative Surplus, Autonomy, Mastery, Purpose2. Marketers can see what we do on web (“special advertisments”)Connect Through Music and New WaysMarketing1. . QR codes allows anyone to take a picture of a tag and find that product, or online shopping2. Crowdsourcing shows what the public thinks and allows them to post about the product3. Mobile couponsAccess Vs. Ownership1. Use things real quick like bike or car and return it later b/c of technology2. Trading items with others online, collaborative consumption Being Prepared For Your Career1. Information Technology (IT) is a field of study focuses on managing and processing information and the automatic retrieval of information: Includes computers, telecommunications, and software deployment.Computers in Today’s Careers1. Retail- Working in a data mine: Data mining- the process of searching huge amounts of data with the hope of finding a pattern. - Great for managing inventory of products.- Example – Amazon and Netflix can suggest items that fit your taste. 2. Arts: Ink, Paints, and a Notebook?- Must sell your work with internet - Adobe Programs- dancers movements captured by computers to make it better- edit photos on programming better3. Video Game Design: A long Way from Pac-Man- Game development will most likely stay in in the United States instead of being offshored, like other programming jobs.- Mastering software animation tools to create new worlds.- team work, not done by single individual 4. Education: Teaching and Learning- Research Tool- Give students a taste of running a global business.- Virtual tours- teachers need to know how to use black board, etc5. Law Enforcement: Put Down That Mouse – You’re Under Arrest!- Computers in cop cars- Facial Reconstruction systems- Have a huge database to compare similar crimes to look for patterns.- Computer Forensics is a growing field.- Computer-based training to tech officers to recognize lies and evasive behavior.6. Medicine: The Chip Within- Cells cultured on a chip until it formed with a nearby cell.- The chip contains a transistor that stimulates the touching cell that sends the pulse through the body. (Sight to the blind)- VeriChip – Personal Id Chip- In baby’s bracelets to locate position7. Science: Simulating Reality- Tornado forecasting, Model the structure of solar magnetic flares- Recreating ruins on screen.8. Psychology: You Should Smile… Now- Affective Computing_ is computing that relates to emotion or deliberately tries to influence emotion.- ESP – for Autism (relays peoples mood)- Get people back on track and focused.Chapter 2: Looking at Computers1. Computers Are Data Processing Devices- A computer is a data processing device that performs four major functions 1. Input- It Gathers data, or allows people to enter data 2. Process- calculates or organizes that data into information. 3. Output- displays data and information so users can see. 4. Storage- saves data and information for laterWhat is the difference between data and information? - Data- is a representation of a fact, a figure, or an idea. It can be a number, a word, a picture, or even a recording of sound. - Information- is data that has been organized or presented in a meaningful fashion. When data becomes meaningful. Processing data into information.Bits and Bytes: The language of ComputersHow do computers process data into information? - The language of computers is binary language.- A binary language- the 0’s and 1’s of computer language, it is broken into binary digits, called bits.- Eight bits combine to form a bytes.- Kilobytes- 1,000 Bytes- Megabytes- 1 million bytes.- Gigabytes- 1 billion bytes- Terabyte- 1 trillion bytes- Your computer uses a combination of software and hardware to process data into information. - Hardware- physical parts that can be touched.- Application Software- Set of programs, that are used to carry out a task- System Software- a set of programs that enables your computer’s hardware devices and application software to work together.a. Most common type of system software is the Operating System.b. The program that controls the way in which your computer system functionsc. Controls and manages the hardware, such as monitor and printerYour Computer’s Hardware- A peripheral device- a component such as a monitor or keyboard, that is connected to the computer.- Notebook Computer- portable computer that has a keyboard, monitor, in a single compact case, run by battery or ac adapter- Netbook- smaller notebook computer, longer battery life- Tablet PC- like notebook but flat, use a special pen and virtual keyboard- Desktop Computer- for the use a single location, stationary- All-in-one Computer- computers processor built into monitor, not separate like desktop- Mainframe- Large computer that supports hundreds of users simultaneously.


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