The Gantt Chart was the first simple visual device to maintain production control. It is essentially a bar graph with_ axis and _ axis.

(a) >>>>>>>>>>>>>  Time on the horizontal; the activities to be scheduled on the vertical

(a)

Reason : A Gantt chart is essentially a bar graph with time on the horizontal axis and the activities to be scheduled on the vertical axis.

       Hence from above discussion, we can infer that option (a) is correct

(A)                                      Thank You.

(a)   Time on the horizontal;>>>>>>>>>>>>>>>>>>>>>>>

the activities to be scheduled on the vertical