CED

• Computer Case


  is the metal and plastic box that contains the main components of the computer, including the motherboard, central processing unit (CPU), and power supply. 
• Monitor


  works with a video card, located inside the computer case, to display images and text on the screen
• Keyboard


  is one of the main ways to communicate with a computer.
• Mouse


  Commonly known as a pointing device, it lets you point to objects on the screen, click on them, and move them.
• Trackball


   a ball that can rotate freely. Instead of moving the device like a mouse, you can roll the ball with your thumb to move the pointer.
• Touchpad


  also called a trackpad, is a touch-sensitive pad that lets you control the pointer by making a drawing motion with your finger. Touchpads are common on laptop computers.
• Printer


   used to print documents, photos, and anything else that appears on your screen. There are many types of printers, including inkjet, laser, and photo printers.
• Scanner


  allows you to copy a physical image or document and save it to your computer as a digital (computer-readable) image. Many scanners are included as part of an all-in-one printer, although you can also buy a separate flatbed or handheld scanner.
• Speaker


  output devices, which means they send information from the computer to the user—in this case, they allow you to hear sound and music. 
• Microphones


  is a type of input device, or a device that receives information from a user. You can connect a microphone to record sound or talk with someone else over the Internet.
• Web cameras


  is a type of input device that can record videos and take pictures. It can also transmit video over the Internet in real time, which allows for video chat or video conferencing with someone else. 
• Game Controllers


   is used to control computer games.
• Digital Camera


  lets you capture pictures and videos in a digital format.