front 1 A user enters letters into a Quantity field that only accepts numbers | back 1 Field Test |
front 2 The Phone Number field requires 10 digits and automatically rejects entries like “123-45-678”. | back 2 Field Test |
front 3 During the processing of customer payments, the system frequently misinterprets handwritten invoice numbers. For example, the number “11807” is sometimes scanned as “I1807,” causing the payment to be applied to the wrong customer account. As a result, several customers received inaccurate account balance notices. | back 3 Field Test |
front 4 When recording employee timecards, handwritten “7”s are sometimes interpreted by the system as “1”s during data entry. As a result, several employees' weekly hours were recorded incorrectly. | back 4 Field Test |
front 5 A phone number field requires exactly 10 digits. | back 5 Field Test |
front 6 Employee working hours entered must be between 0 and 24 hours per day. | back 6 Range Test |
front 7 Credit limit for a customer must be equal to or greater than $0 and less than or equal to $1M. | back 7 Range Test |
front 8 A payroll clerk accidentally entered an hourly wage of $850 for a part-time employee who earns $18.50, causing the payroll system to calculate an excessively high paycheck. | back 8 Range Test |
front 9 A clerk enters Customer ID 98421, but this ID does not exist in the Customer master file. | back 9 Validity Test |
front 10 A timecard entry must include an Employee ID that exists in the HR database. | back 10 Validity Test |
front 11 A sales return must reference an existing Invoice Number. | back 11 Validity Test |
front 12 A clerk entered a supplier number that does not exist in the vendor master file, causing the purchase order to be sent to an invalid or unknown supplier. | back 12 Validity Test |
front 13 ZIP code exists | back 13 Validity Test |
front 14 OrderDate is not future | back 14 Validity Test |
front 15 Whether the customer ID, C4832, exists in the customer master file. | back 15 Validity Test |
front 16 ZIP 92831 must correspond to California | back 16 Valid Combinations Test |
front 17 Payment Method = Credit Card requires a Card Number field to be completed | back 17 Valid Combinations Test |
front 18 Employee Job Title = “Driver” must be paired with a valid Driver’s License Number in the HR system | back 18 Valid Combinations Test |
front 19 Product code P200 can only be sold from Warehouse 3, not Warehouse 1. | back 19 Valid Combinations Test |
front 20 A warehouse clerk accidentally selected product code A992 with warehouse location L03, even though that product is never stored in that location. The system processed the transaction, creating inaccurate inventory records. | back 20 Valid Combinations Test |
front 21 User enters Customer ID 12345, then system displays: “Customer: ABC Electronics, Fullerton, CA” before the transaction continues. | back 21 Closed-Loop Verification |
front 22 Entering an Employee ID automatically displays the employee’s name and department to confirm identity. | back 22 Closed-Loop Verification |
front 23 When processing refunds, entering an Invoice Number automatically displays invoice date, customer name, and amount. | back 23 Closed-Loop Verification |
front 24 A clerk entering customer IDs frequently mistypes digits, resulting in orders being placed under the wrong customer. Because the system does not display the customer name after the ID is entered, the errors go unnoticed until invoices are sent. | back 24 Closed-Loop Verification |
front 25 Entering a customer ID retrieves & displays the customer’s name & address for confirmation. | back 25 Closed-Loop Verification |
front 26 Entering a product code shows its description & price. | back 26 Closed-Loop Verification |
front 27 A sales return should have a negative amount to reduce accounts receivable. | back 27 Sign Test |
front 28 A clerk processing sales returns accidentally entered a customer refund of $145 as +145 instead of –145. As a result, the system increased the customer’s balance instead of decreasing it, causing inaccurate accounts receivable totals. | back 28 Sign Test |
front 29 Employee ID must be exactly 6 characters. 12345 (Employee ID entry) | back 29 Length Test |
front 30 Zip code must be 5 digits. | back 30 Length Test |
front 31 While entering new customer records, a clerk mistakenly typed a 7-digit phone number into the field that requires a 10-digit number. The system accepted the entry, resulting in incomplete and unusable contact information. | back 31 Length Test |