1) ______________________ are output devices that create 3-dimensional objects from a 3D computer model. a) 3D Scanner b) 2D Scanner c) Inkjet Printer d) Laser Printer 2) _________________________ are used to record music and to communicate online. a) Keyboard b) Speakers c) Microphone d) Mouse 3) _________________ touch screens are expensive technology and heat-sensitive screens only allow the finger to give inputs. a) Resistive b) Reflective c) Infrared d) Capacitive 4) An ______________ device is a hardware that transfers data from its source into the computer system. a) Output b) Input c) Process d) Sensing 5) _____________ devices are computer hardware devices used to communicate the results of data processing performed by a computer. a) Output b) Input c) Process d) Sensing 6) __________________ are output devices used in a home or small office for low volume printing. a) 3D Scanners b) 2D Scanners c) Inkjet Printers d) Laser Printer 7) An _______________ is a device controlled by a computer that can affect the real world. a) Sensor b) Printer c) Scanner d) Actuator 8) QR codes consist of a matrix of dark squares on a light background called _____________. a) clock rates b) modules c) pixels d) dots 9) _______________ is an input device used for text-based data input. a) Mouse b) Monitor c) CPU d) Keyboard 10) ______________________ is a series of black and white parallel lines with varying thicknesses found on them.  a) Barcode b) QR Code c) Touch screens d) Touchpad

Grade 7 - Hardware - Reflection

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