The major objectives of control are

guard against frauds in data entry$/$processing

check clerical handling of data before it enters a computer

to provide a method to trace the steps and find where error has occurred

automatically correct errors in data entry$/$processing

Question $9$Answer

a$.$

i$,$ ii$,$ and iii

b$.$

i and iii

c$.$

i only

d$.$

i$,$ ii and iv