3. Inside the case of the computer Motherboard CPU and CPU Fan RAMStorageHard diskSolid state diskOptical storageU3 drive View all components you need to build you own PC at e.g. http://www.butterscotch.c om/tutorial/Getting- Started-Building-Your-PC http://www.butterscotch.c om/tutorial/Getting- Started-Building-Your-PC

4. See a video how to install motherboard inside the case e.g. http://www.butterscotch.com/tu torial/Installing-The- Motherboard-Into-Your-Case http://www.butterscotch.com/tu torial/Installing-The- Motherboard-Into-Your-Case

5. See a video how to install CPU and fan e.g. http://www.butte rscotch.com/tutor ial/Preparing-The- Motherboard- And-CPU http://www.butte rscotch.com/tutor ial/Preparing-The- Motherboard- And-CPU

6. Watch a video how to install memory e.g. http://www.buttersco tch.com/tutorial/Insta lling-Your-PCs- Memory http://www.buttersco tch.com/tutorial/Insta lling-Your-PCs- Memory

7. Two sides of the same hard drive. View video on installing the hard drive e.g. http://www.butterscotch.com/tutorial/Installing- The-Hard-Drive http://www.butterscotch.com/tutorial/Installing- The-Hard-Drive

8. See how to install the CD/DVD drive at e.g. http://www.butterscotch.co m/tutorial/Installing-The- Optical-Drive http://www.butterscotch.co m/tutorial/Installing-The- Optical-Drive

9. Listen to a discussion on solid state hard drives vs mechanical hard drives e.g. http://www.butterscotch.c om/show/Mechanical- Hard-Drives-Vs-Solid-State- Drives

10. Ports USBFirewire ThunderboltRJ45 VGA connector Standard mini jacks Adding extra storage using external drives is simple, fast and easy

20. Input Sensors Pointing devices Keyboard Scanner Joy stick game controllers MicrophoneCamera Touch screen Tablet

21. Input data is text or navigation or instructions e.g. home and arrows and F1 for help

22. Input: the position and whether you click, right-click, double-click, drag and scroll to interact with the items on the screen, draw, move, copy, etc.

23. Input: the sound that can be recorded or the computer can respond if it uses voice recognition.

24. Capacitive touchscreens respond to fingers (or things that conduct electricity)

25. Buttons on game controller provide options like shooting and motion sensitive controllers or cameras responds to your movement to play games like tennis

26. Raw image files are sometimes called digital negatives, as they are not directly usable as an image, but has all of the information needed to create an image.

27. A QR code (abbreviated from Quick Response code) is a type of matrix barcode (or two- dimensional code) that has become popular due to its fast readability and comparatively large storage capacity.

30. TextImages SoundSensors

32. They really have made a car that can drive itself in city traffic without causing accidents http://www.youtube.com/watch?v=-nYhKD8leAg

36. Output Monitor Data projectors Printers Speakers and headphones

40. Laser printers work by melting toner onto the paper. Great for general purpose printing. Faster than inkjets. Relatively cheap to run. Inkjet printers spray dots of ink onto paper. Slower than laser printers and more expensive to run. Can print photo quality images. Dot-matrix printers use old technology that works by striking pins onto paper through inked ribbons. Still used for printing invoices, bills, etc. and where carbon copies are needed.

43. Flash drives Portable hard drives Memory cards Disadvantages of optical disc drives (CD / DVD / Blu-ray) comparatively slow limited capacity expensive per GB compared to magnetic storage or even Solid State Disks (SSDs). easily damaged by being scratched or exposed to heat. comparatively large