Computer Science · May / June 2016 · Paper 12 · Question 5
2210
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Six descriptions and six devices are shown below. Draw a line to link each description to the correct device. Allows a user to write on a surface using a pen; text and drawings are then captured electronically and stored for later use. Interactive whiteboard Description Converts sound into an electrical signal/voltage. Uses thermal bubble and piezoelectric technology to produce a hard copy. Uses a bright white light source and micro mirrors (on a chip) to produce an image to be shone onto a wall or screen. Converts a hard copy document into an electronic form to be stored as a file on a computer. Uses negatively charged images on a rotating drum and positively charged toner to output a hard copy. Inkjet printer Digital Light Projector Laser printer Microphone Scanner (2D) Device [5]
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Description Device Allows a user to write on a surface using a pen;
text and drawings are then captured electronically and stored for later use. Digital Light Projector Converts sound into an electrical signal/voltage. Inkjet printer Uses thermal bubble and piezoelectric technology to produce a hard copy. Interactive whiteboard Uses a bright white light source and micro mirrors (on a chip) to produce an image to be shone onto a wall or screen. Laser printer Converts a hard copy document into an electronic form to be stored as a file on a computer. Microphone Uses negatively charged images on a rotating drum and positively charged toner to output a hard copy. Scanner (2D) 5/6 matches – 5 marks 4 matches – 4 marks 3 matches – 3 marks 2 matches – 2 marks 1 match – 1 mark [5]
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