s have gotten together and begun issuing a “state” credit card that is good only in stores in their state. As a courtesy, salesclerks are permitted to transcribe the 15-digit account number by hand (after getting it from the accounting office) if the customer is not carrying the card. The only problem with accounts that retailers have noticed so far is that sometimes-erroneous account numbers are accepted into the computer system, resulting in a bill being issued to a non-existent account. 1. What sort of validity test would clear up the problem? How? Res
s have gotten together and begun issuing a “state” credit card that is good only in stores in their state. As a courtesy, salesclerks are permitted to transcribe the 15-digit account number by hand (after getting it from the accounting office) if the customer is not carrying the card. The only problem with accounts that retailers have noticed so far is that sometimes-erroneous account numbers are accepted into the computer system, resulting in a bill being issued to a non-existent account. 1. What sort of validity test would clear up the problem? How? Res
Chapter3: Data Representation
Section: Chapter Questions
Problem 5RQ
Related questions
Question
Several retailers have gotten together and begun issuing a “state” credit card that is good only in stores in their state. As a courtesy, salesclerks are permitted to transcribe the 15-digit account number by hand (after getting it from the accounting office) if the customer is not carrying the card. The only problem with accounts that retailers have noticed so far is that sometimes-erroneous account numbers are accepted into the computer system, resulting in a bill being issued to a non-existent account.
1. What sort of validity test would clear up the problem? How? Respond in a paragraph.
2. Suggest an alternative data entry method that might alleviate this problem altogether.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 1 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Recommended textbooks for you
Systems Architecture
Computer Science
ISBN:
9781305080195
Author:
Stephen D. Burd
Publisher:
Cengage Learning
Systems Architecture
Computer Science
ISBN:
9781305080195
Author:
Stephen D. Burd
Publisher:
Cengage Learning