Which of the following is not true with respect to a trackball and/or spaceball ? I. A trackball is a two dimensional positioning device while as a spaceball provides six degrees of freedom II. Unlike the trackball a spaceball does not actually move. III. A trackball is a three dimensional positioning device while as a spaceball provides six degrees of freedom. (A) I & II (B) II & III (C) II only (D) III only

Which of the following is not true with respect to a trackball and/or spaceball ?

I. A trackball is a two dimensional positioning device while as a spaceball provides six degrees of freedom

II. Unlike the trackball a spaceball does not actually move.

III. A trackball is a three dimensional positioning device while as a spaceball provides six degrees of freedom.

(A) I & II (B) II & III

(C) II only (D) III only
by

1 Answer

Answer :

(D) III only
by

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