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How do you find the check digit for postal
service money orders?
add all digits together and divide the sum by 9. The remainder is the check digit TERM 2
How do you find the check digit for Airline
tickets, UPS and rental car services?
DEFINITION 2 add all digits together and divide sum by 7. Remainder is the check digit TERM 3
How do you find the check digit of a UPC bar
code?
DEFINITION 3 multiply odd placed digits by 3 and even placed digits by 1. next add all the numbers together. The check digit is the number added so the sum is divisible by 10. TERM 4
What are the weights used to find a check
digit for bank routing numbers?
DEFINITION 4 weights are 7, 3, 9. Check digit is last digit of sum. TERM 5
How do you find out if a credit card number is
valid using code-a-bar?
DEFINITION 5
- weights- 2 in odd positions 1 in even positions 2) sum weighted digits then counts and adds the number of digits in odd positions that exceed 4 3) the result must end in a zero
How do you find out if an ISBN number is
valid?
weights are 10, 9, 8, ... 1 add sum of weighted digits and divide by 11. If the number can be divided by 11 then it is valid -if check digit is 10 write an "x" instead TERM 7
How do you find the check digit for a post net
code?
DEFINITION 7 add all digits together. The check digit should make it divisible by 10 TERM 8
In a UPC bar code what do the bars on the left
represent? The right?
DEFINITION 8 left-manufacturer right-product info TERM 9
When there is an even number of 1's on the
left part of a UPC bar code which way is it
read? odd number?
DEFINITION 9 even- right to left odd- left to right TERM 10
What is the process for the soundex coding
system for last names?
DEFINITION 10
- get rid of H's and W's 2. assaign #'s to remaining letters 3. if adjacent letters have same numeric value, keep only the first 3 4. delete first letter of original last name if still present
- delete vowels 6. if remaining # is less than 3 digits, add zero's until it is 3 digits 7. Put first letter of last name before the first digit
