software considerations

Question 1

what is data

Answer 1

raw facts ad figures that need to be processed

Question 2

what is boolean

Answer 2

true/false

Question 3

what is numerical (real)

Answer 3

any number with or without decimals

Question 4

what is validation

Answer 4

checks that data entered is sensible and reasonable

Question 5

what is verification

Answer 5

checks the entered data against its source

Question 5

give a purpose and example about data type check

Answer 5

checks data entered is the correct type

a name must be in text form

Question 6

give a purpose and example about input mask

Answer 6

make sure the input data is in a specific format

UK postcode follows LLnn

Question 7

give a purpose and example about limited choice

Answer 7

a drop down list,tick box and lists

tick box to pick what color you want something to be in.

Question 8

give a purpose and example about lookup

Answer 8

look up acceptable values in a list

checks if a postcode is valid by looking at a data in a list.

Question 9

give a purpose and example about presence check

Answer 9

check that the data is entered in the specific field

key field cant be left empty