Chapter 11


1)	Explain why electronic data capture is better than manual data capture?

2)	Describe the disadvantages of electronic data capture?

3)	Name design features that should be considered when designing data capture forms?

4)	What is the difference between verification and validation?

5)	List the types of verification. 

6)	List three types of validation techniques

7)	List two validation techniques that can be used on the date fields, examples:

8)	Why double entry method is better than visual verification?

9)	Why visual verification is better than double entry?

10)	What is key to disk? Name an alternative to key to disk.

11)	Name different methods of DDE?

12)	Explain the purpose of check digits?


13)	Give an example where validation and verification would not recognize errors?

14)	State two guide lines for output design. 

15)	What are turnaround documents?

16)	What is accessibility with regard to output?

17)	Name accessibility issues that you should consider?

18)	What  is encording?

19)	Describe with examples the advantages of using codes?

check the answers to 11.2 , Q8, 9, 10