design stage

Question 1

what is design

Answer 1

it is when plans are made for the new system being designed

Question 2

what is included within this design

Answer 2

designing data entry screens
designing user interface layouts
designing printed outputs
designing screen based output 
designing structures to store data
designing data validation
and verification

Question 3

what is validation

Answer 3

it is when the computer checks that data entered by the user is sensible and usable

Question 4

examples of different validation check

Answer 4

presence check.. checks that all data re entered and not missed out
length check.

length check> checks that current numbe of characters are entered

range check. performed on numbers to see if they are within a certain range
performed on numbers to see if they are within a certain limit for example >0 but<100

format check make sure data is within a certain format

data type check checks that does not contain invalid character

consistency check make sure that data in another film is consistent with data in another field

Question 5

what is verification

Answer 5

it makes sure data entered into the system matches the source of data

Question 6

2 type of verification check

Answer 6

double entry : This is where the data is entered twice by two different people

Question 7

visual check

Answer 7

this is where the person entering the data carefully checks what they entered to see for any erors