Accuracy of data input is important. What method of data input would be best for each of the following situations and explain why?

Accuracy of data input is important. What method of data input would be best for each of the following situations and explain why: a.<Tab/>Printed questionnaires Keyboard; aside from avoiding uncertainty from unclear handwriting or other methods, and because "...most input data consists of letters and numbers. In addition, people are usually familiar with how to use keyboards and with the layout of the keys. Thus, little training is required …

…as often as needed.... Although the data can be retrieved in any order, if related data is stored adjacently it goes faster. More storage MAY result in faster processing (but not as likely) d.<Tab/>Data on CD ROM How fast the CD reader can read the CD, and the bus can transfer the data to the CPU... e.<Tab/>Data on floppy disk Same as (d)