The mouse pointer moves erratically, what is the possible cause? The m

1.	The mouse pointer moves erratically, what is the possible cause? The mouse
A.	ball is dirty
B.	is not connected
C.	driver is not installed properly
D.	has an incorrect IRQ setting
E.	None of the above
Answer» B. is not connected

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The mouse pointer moves erratically, what is the possible cause? The mouse

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