This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
Time taken for digitalization is: 
Select and explain. 
A. 36 hours, B. 12 hours, C. 5 days, D. 10 days
C: 5 days
Answer: C: 5 days 
Explanation: Ref:KDT 6/e p497 Digitization is the process of conveing information into a digital format. In this format, information is organized into discrete units of data (called bits) that can be separately addressed (usually in multiple-bit groups called bytes).