Initializing Arrays - array = []*4

Multiple 1D arrays, finding equivalent ones [password and username] -

Untitled

Validation Eg
Checks if something has been inputted filling forms
Checks if it falls within range age between 0 and 100
Checks if it is reasonable length password must have more than 6 chars
Checks if it is of proper type age is numeric, rejects string
Checks that data item matches predetermined pattern date of birth pattern
Check digit - Checks if numerical data has been entered accurately, extra digits are added to number based on calculation that can be repeated, enabling the number to be checked barcode

Verification -

Confirms the integrity of data, seeing if data is correct before and during and after processing

  1. Visual check - provides recap of data entered
  2. double check - makes you enter twice and compares values

Spotting Errors -

  1. Variables initialized with incorrect numbers
  2. Variables being assigned to other variables backwards [h = x is wrong it should be x = h etc.]
  3. Statements not indented inside loop
  4. Statements inside loop when they shouldnt be there
  5. Incorrect use of > and <