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. om/tutorial/Getting- Started-Building-Your-PC om/tutorial/Getting- Started-Building-Your-PC
See a video how to install motherboard inside the case e.g. torial/Installing-The- Motherboard-Into-Your-Case torial/Installing-The- Motherboard-Into-Your-Case
See a video how to install CPU and fan e.g. rscotch.com/tutor ial/Preparing-The- Motherboard- And-CPU rscotch.com/tutor ial/Preparing-The- Motherboard- And-CPU
Watch a video how to install memory e.g. tch.com/tutorial/Insta lling-Your-PCs- Memory tch.com/tutorial/Insta lling-Your-PCs- Memory
Two sides of the same hard drive. View video on installing the hard drive e.g. The-Hard-Drive The-Hard-Drive
See how to install the CD/DVD drive at e.g. m/tutorial/Installing-The- Optical-Drive m/tutorial/Installing-The- Optical-Drive
Listen to a discussion on solid state hard drives vs mechanical hard drives e.g. om/show/Mechanical- Hard-Drives-Vs-Solid-State- Drives
Ports USBFirewire ThunderboltRJ45 VGA connector Standard mini jacks Adding extra storage using external drives is simple, fast and easy
Input Sensors Pointing devices Keyboard Scanner Joy stick game controllers MicrophoneCamera Touch screen Tablet
Input data is text or navigation or instructions e.g. home and arrows and F1 for help
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.
Input: the sound that can be recorded or the computer can respond if it uses voice recognition.
Capacitive touchscreens respond to fingers (or things that conduct electricity)
Buttons on game controller provide options like shooting and motion sensitive controllers or cameras responds to your movement to play games like tennis
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.
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.
TextImages SoundSensors
They really have made a car that can drive itself in city traffic without causing accidents
Output Monitor Data projectors Printers Speakers and headphones
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.
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