1) What group of input device(s) are used in a monitoring / monitoring and control system? a) Sensors b) Cameras c) Keyboards d) Mice 2) What input device uses reflected light to 'read' a 'code' a) Keyboard b) Cameras c) Barcode Reader d) Projector 3) How does a keyboard work? a) When a key is pressed a complete circuit is made. b) When a key is pressed a signal is sent to the microprocessor c) When a key is pressed a signal is converted into digital using an ADC d) When a key is pressed a little man tells the CPU what key was pressed. 4) What input device uses LED as the base, which reflects off of any surface, which can show movement. a) Roller ball mouse b) Tracker ball mouse c) Trackpad d) Optical mouse 5) What device can uses a scan head to create an image of a document, which has been illuminated? a) Camera b) Scanner c) Printer d) Optical Character Reader (OCR) 6) What type of touch screen has 3 layers (glass protective, conductive and glass substrate) a) Resistive b) Capactive c) Infra-red d) None of the above 7) What type of touch screen two layers, which when touched creates a circuit a) Resistive b) Capactive c) Infra-red d) None of the above 8) What type of touch screen uses a grid of 'light beams' to detect where it has been pressed a) Resistive b) Capactive c) Infra-red d) None of the above 9) What is the main advantage to capactive touch screens? a) Cheap b) Allows for multi-touch c) Quick to produce d) Produces a better image. 10) What is the main disadvantage to resistive touch screens? a) Very expensive b) You have to press quite hard. c) Slow to produce d) Very durable.  11) What is another disadvantage to resistive touch screens? a) Very expensive b) Slow to produce c) Doesn't allow multi-touch. d) Very durable.  12) What is a common complain some people have about iphone/ipad touchscreens? a) Expensive b) Get scratched so easily. c) Cannot use most gloves whilst tyring to use the touch screen d) Can see nothing in bright sunlight. 13) What input device uses photosensitive cells to capture its main source of input a) Scanner b) Mouse c) Touchscreen d) Digital Camera 14) What input device uses a diagraphm, copper coil and cone to help it capture it's main source of input? a) Scanner b) Digital Camera c) Microphone d) Keyboard 15) On a QR code there are 3 or 4 odd-looking corners, what are they for? a) Just looks better b) Allows the QR code reader to correct align the code. c) Stores a unique code about the QR code itself. d) Stores the information about when the code was generated. 16) What input device can help 'read' the x,y and z points of a physical object? a) Digital Camera b) 3D Scanner c) Printer d) Keyboard 17) What examples below are PRIMARY memory (2 answers) a) ROM b) RAM c) SSD d) HDD e) Flash Drive f) Optical Drive 18) What device connects all the internal components of the computer a) Motherboard b) ROM c) RAM d) Hard Disk e) SSD f) Power Supply 19) What device holds applications / data TEMPORARILY a) ROM b) RAM c) Hard Disk d) SSD e) CD ROM 20) What device holds the code to load your device on startup (BIOS) a) RAM b) HDD c) SSD d) ROM e) DVD-ROM 21) What does VOLATILE mean? a) Needs no electicirty to store data b) Needs constant electricity to store the data c) Its isn't reliable and could break at any time d) Gets angry easily. 22) What device performs the logic/calculations needed in a computer? a) Central Processing Unit (CPU) b) RAM c) ROM d) HDD 23) What device will store the MAC address for your computer? a) Graphics Card b) Sound Card c) Network Interface Card d) Primary (RAM) 24) What device will help produce complex / detailed graphics for your computer? a) Graphics Card b) Sound Card c) Network Interface Card d) Primary (RAM) 25) What device will help produce complex / detailed graphics for your computer? a) Graphics Card b) Sound Card c) Network Interface Card d) Primary (RAM)

Input Devices - Details

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