Unit 1 introduction to computers
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This document provides a 10-lesson introduction to computers. [Lesson 1 defines computers and their basic components and common uses. Lesson 2 discusses computer hardware, including the monitor, tower, keyboard, mouse and other peripherals. Lesson 3 demonstrates computer ports and buttons.] The remaining lessons cover operating systems, software, internet connectivity, online safety, cloud computing, mobile devices and cleaning computers. The document aims to build basic understanding of computers for new users.
Unit 1 introduction to computers
- 1. Introduction to Computers 10 lessons for the new computer user, or to help build understanding.
- 2. Lesson 1: What is a computer? • Electronic device that uses data in the form of 1s and 0s to combine them into things such as photographs, movies, websites and more. • Uses hardware and software to perform tasks. • Come in many forms (desktop, laptop, mobile…) • What can you do with a computer? – Phone calls – Email (electronic mail) – Video conferencing – Research – Shop online – Watch movies, read books – Keep track of spending – CAN YOU THINK OF MORE THINGS???
- 3. Lesson 2: Hardware • Components (Monitor, Tower, Keyboard, Mouse) – Discuss purpose of each piece of hardware – Demonstrate & discuss parts of computer (Case, Motherboard, CPU, Hard drive, RAM, video and sound cards) – Demonstrate how to turn on and off computer • Devices (Printer, Speakers, Headphones, External hard drives, Tablet) – Demonstrate how to connect “peripherals” using ports – Different devices use different ports (look at back of computer) (Lesson 3) • Closer look at the Keyboard (next slide)
- 4. Lesson 2: Hardware: Keyboard (See worksheet for tasks)
- 5. Lesson 3: Buttons & Ports • Demonstrate the following: – Show and open the CD drive – Show where the audio ports are – Show the USB ports – Where is the Power socket? – Show where the Ethernet Cable attaches – Show how the monitor port attaches – Show where the keyboard and mouse attach on your computer
- 6. Lesson 4: Operating Systems • Discussion: – Types of operating systems – Difference between operating systems for mobile devices and PCs – What is the operating system of the computer that you are on? • Activity: Learn more about your operating system – View basic information about your computer by going to: Control Panel> System and Security> System – See next page for example
- 7. Lesson 4 Example of system info Questions: • What version of Windows? • Is there a service pack? • Who is manufacturer of computer? • How much RAM? • Is it a 32 or 64 BIT?
- 8. Lesson 5: Software • Software: Instructions that direct the computer to perform certain tasks • Programs versus Apps: What is the difference? • What programs are installed on the computer that you are using? Click “All Programs” to view. • We will discuss software in more detail next week!
- 9. Lesson 6: Internet • What is the Internet? (The connection of all types of computers in the world.) • Offline versus Online • Your online connection: – Dial up or broadband – Cable or DSL – Wireless or wired? – Hotspot or Public Wi-Fi? • Activity: – How is your current computer connected to the Internet? Find out by clicking: Control panel > Network and Internet> Network and sharing center – View example on next screen
- 10. Lesson 6: Example of network connections Questions: • What type of network? • What is the name of the network? • What type of connection?
- 11. Lesson 7: Online Safety • Computer virus, malware, spyware • How can you avoid viruses and malware?(avoid suspicious looking ads, run anti-virus updates and run OS updates) • Biggest culprits: Illegal (pornography links, software piracy links, illegal music & movie downloading sites) and negligence (popups, fake antivirus sites, free games & screensavers, bad websites, Email, Your unprotected computer) • Activities: Keeping computers safe and clean: – Run Disc cleanup (cleans up files temporary files, downloaded files, etc.) (Start>All programs>Accessories>System tools> Disc cleanup – What is the security status on your computer? (Start>System and Security>Action Center) – Go online to Windows to look at an example of antivirus software: Windows Security Essentials (free and well respected) http://windows.microsoft.com/en-us/windows/security-essentials-download
- 12. Lesson 8: The Cloud The cloud: The Internet online, using “servers” owned by companies such as Google, Yahoo, Facebook, Apple and more. • Some cloud services are just for storing data (Dropbox) • Others run applications (Facebook, Skype) • Application that runs in the cloud is called WEB APP. Do not need to be installed, you need only a web browser and Internet access. • Will require some type of personal login and password information to use. What can you do on the cloud? • Check Email from any device anywhere • Collaborate online in real time • Store files (music, movies, documents) • Make notes and synchronize with other devices (Notes, Evernote)
- 13. Lesson 9: Mobile computing Show us your computers! What mobile devices do we have? Bring them out so we can learn more. Sample devices: phones, tablets, iPad, iPods, For each of the mobile devices, discuss: • Operating system • Apps • Cloud server
- 14. Lesson 10: Cleaning the computer You should keep it clean! • Can use Compressed air to spray off dirt from case, keyboard and peripherals • Use cotton swab dipped in rubbing alcohol around openings of computer • Turn keyboard upside down and shake, use cotton swab with alcohol for keys (DO NOT VACUUM!) • Spill? Turn off computer, disconnect keyboard, flip over, blot keys with paper towel, compressed air between keys, leave overnight. (DO NOT USE MICROWAVE!) • Mouse: Use rubbing alcohol to clean • Monitor: Flat-panel monitors use a soft, lint free cloth with plain water. No paper towels, do not spray on screen. Can buy monitor cleaning supplies
- 15. Special thanks to GCFLearnFree, an excellent tutorial site which supplied most of the videos. Visit them at: http://www.gcflearnfree.org/. To see all of their YouTube videos, visit their page at: http://www.youtube.com/user/gcflearnfree?feature=watch. Facebook user? Visit them at: http://Facebook.com/GCFLearnFree.org