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IGCSE COMPUTER SCIENCE INPUT, OUTPUT & STORAGE DEVICES EXAM QUESTIONS AND ANSWERS
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IGCSE COMPUTER SCIENCE INPUT, OUTPUT & STORAGE DEVICES EXAM QUESTIONS AND ANSWERS
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IGCSE COMPUTER SCIENCE INPUT,OUTPUT & STORAGE DEVICES EXAM
QUESTIONS AND ANSWERS
Input Device - Answer-A device which captures some form of physical data from the
outside world and communicate that data in electronic form into the computer system.
Output Device - Answer-Displays data which has been processed or has been stored
on the computer.
3D printing - Answer-Additive process builds up in layers from a 3D model on a
computer and material is added layer by layer until the object is complete.
Inkjet printers and laser printers are examples of ________ printers. - Answer-2D
Inkjet Printers - Answer-The ink head moves line-by-line across the page and fires tiny
droplets of ink until the whole page has been printed
Which printer is used to print high-quality photos? - Answer-Inkjet Printer
Laser Printers - Answer-Uses lasers to draw an image of each page onto a roller with
electromagnetic charge, which attracts toner to the roller. The toner is then transferred
to the paper page by page.
Which printer is more suited to printing high volumes of text? - Answer-Laser Printer
Thermal Bubble Technology - Answer-technology used in inkjet printers which heats the
ink and evaporates it into a bubble
2D Cutter - Answer-An output device capable of cutting holes or shapes into a flat 2D
surface
Sensors - Answer-Input devices that record data about the physical environment around
it
Resistive Touchscreen - Answer-Makes use of an upper layer of polyester and bottom
layer of glass
Capacitive Touchscreen - Answer-Uses small electrical charge to detect when a finger
or stylus touches the screen and detects its position by the change in charge at that
position and uses this to perform the required action
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