11. What type of devices are computer speakers or headphones ?
(a) Input
(b) Input/output
(c) Storage
(d) Output
12. USB refers to :
(a) a storage device
(b) a processor
(c) a port type
(d) a serial bus standard
13. Speed of line printer is limited by the speed of :
(a) paper movements
(b) cartridge used
(c) length of paper
(d) All of these
14. Which of the following produces high quality output ?
(a) Impact printer
(b) Non-impact printer
(c) Plotter
(d) Both lsquo;1rsquo;and lsquo;2rsquo;
15. Which of the following group consists of only input devices ?
(a) Mouse, keyboard, Monitor
(b) Mouse, Keyboard, Printer
(c) Mouse, Keyboard, Plotter
(d) Mouse, Keyboard, Scanner
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