programing

a) Define and distinguish clearly between the following:

i Program ii Data iii Application

b) Give FOUR reasons why capturing data directly onto a computer by keyboard input at the time it is available is better than keyboard input later from a completed paper form.

c) Explain why date of birth is held on data files in preference to age.

d) Select and name a large-scale business application.

Discuss REALISTIC methods of backup for the data files in use by that organisation.

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