Whereas a computer mouse moves over the table surface, the trackball is...? Mcqs

Whereas a computer mouse moves over the table surface, the trackball is...?

(A) Stationary

(B) Difficult to move

(C) Dragged

(D) Moved in small steps

Source: This question is taken from the Labour Officer/Assistant (Bs-16), Labour Inspector (Bs-14), Junior Patrol Officer (Bs-11), Punjab Ring Road Authority, C&W PPSC Evening Time