Given below are six sentences, out of which sentences A and F are in the correct position. Sentences B, C, D and E are in a jumbled order. Select the option that gives the correct order.

A. Computer is not a magical device. 
B. It has to be told what to perform and in what sequence.
C. It possesses no IQ or intelligence of its own. 
D. Its IQ is zero.
E. Hence, only the user can determine what task a computer will perform.
F. A computer can't take any decision on its own until it is programmed to do so.