1) which of the following is input a) card reader b) speaker c) central processing unit d) LED lights e) printer f) display screen 2) which of the following is output a) card reader  b) keypad c) central processing unit d) mic e) touch screen f) printer 3) which of the following is a processor a) card reader  b) keypad c) central processing unit d) mic e) printer f) touch screen  4) which of the following is a processor  a) card reader  b) keypad c) microcontroller  d) mic e) printer f) touch screen  5) which of the following is an output  a) card reader  b) keypad c) microcontroller  d) mic e) light f) touch screen 

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