1) What type of device is a USB a) Input b) Output c) Storage 2) What among these is an input device in a supermarket a) A weighing scale b) Passport scanner c) Speaker 3) What stores data that can be retrieved at a later date  a) Hard disk drive b) USB c) CD 4) Headphones is a: a) Input b) Output c) Storage 5) What device is a mouse similar to a) Touchscreen b) Trackerball c) Joystick 6) What is the output of the Fingerprint Clocking-in or Registration System a) Personal information displayed b) It grants you entry c) The alarm goes off.

Input and output

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