peripherals

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Across
  1. 2. hard drive
  2. 8. a touch-sensitive surface linked to a computer and a projector. The user can interact with the projection using their finger or a special pen.
  3. 9. used to receive and give out any sound more complicated than a basic beep. A soundcard is usually inside the computer connected to the motherboard. Hi-spec soundcards can be external and connected by FireWire or USB. Powerful external soundcards are used in music recording studios to process live music recordings.
  4. 10. used to print photographs, images and text onto paper and card. There are three main categories of printer: ink-jet, dot-matrix and laser.
  5. 11. used to control a pointer on the screen of a computer
  6. 12. barcodes are scanned by a reader and the numbers in the code correspond to records in a database. They are used to identify goods and products.
  7. 14. mouse,keyboard,webcam,games controller
Down
  1. 1. gives outputs that the user can sense based on inputs, eg games controllers often have a rumbling sensation to reflect an explosion or collision onscreen.
  2. 3. similar to a mouse, this is used where extreme accuracy is needed - for example, in CAD, sound and video editing, and some medical imaging applications (such as MRI sc
  3. 4. used to copy physical printed materials into the computer. Scanners are often incorporated into printers.
  4. 5. different types of cards use magnetic bands to store information, eg credit and debit cards and security access cards.
  5. 6. use a combination of buttons and mini thumb-controlled joysticks.
  6. 7. print out very thin layers of plastic one layer at a time to build up a 3D object. 3D printing has been used in heart surgery and space technology research.
  7. 9. used to give us access to the programs and the file system through a command line interface (CLI) or a graphical user interface (GUI). Most screens make use of LED or LCD technology.
  8. 13. screen,printer,speakers,headphones