Basic Computer

Q: Which device of computer operation dispenses with the use of the keyboard

(a) :  Mouse
(b) :  Joystick
(c) :  Touch
(d) :  Light pen
(e) :  none
Answer:  Mouse
Explanation:  

Q: Which of the following are the best units of data on an external storage device?

(a) :  Bytes
(b) :  Hertz
(c) :  Clock cycles
(d) :  . Bits
(e) :  none
Answer:  Bytes
Explanation:  

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