Biometrics and Payroll System
RJL Payroll and Biometrics System
Requirements Modeling
BIOMETRICS
• Output The biometrics system must provide a complete record of the employee’s attendance.
• Input The system receives the scanned fingerprint of the employee.
• Process The system matches the fingerprint with the employee’s file and records the time-in and time-out.
• Performance The system must produce accurate hours worked by the employee.
• Controls The chief accountant must be the only person accessible in the chips of the biometrics.
PAYROLL
• Output The payroll system must produce a payroll summary every 15 days; and pay slip of the employees.
• Input The system must get the employee payroll information for the calculation of salaries.
• Process The payroll system must calculate employee salaries base on work hours plus increases and deductions.
• Performance The system must provide a payroll summary every 15 days for the preparation of the pay slips.
• Controls The chief accountant must be the only person who can update the allowances, bonuses and tax rates.
Context Diagram Payroll and Biometric System
Diagram 0 for Payroll System
T1 Employee
Diagram 0 DFD for Biometrics System
T1 Employee
T2 Attendance
FINGERPRINT MATCHING DATABASE
Biometrics System Database
DATADICTIONARY
|Label: employee identification |Table: tblEmployee |
|Module: payroll system, biometrics system |Alias: empID |
|Type and Length: 8T |Default value: RJL000-00 |
|Source: employee file
Requirements Modeling
BIOMETRICS
• Output The biometrics system must provide a complete record of the employee’s attendance.
• Input The system receives the scanned fingerprint of the employee.
• Process The system matches the fingerprint with the employee’s file and records the time-in and time-out.
• Performance The system must produce accurate hours worked by the employee.
• Controls The chief accountant must be the only person accessible in the chips of the biometrics.
PAYROLL
• Output The payroll system must produce a payroll summary every 15 days; and pay slip of the employees.
• Input The system must get the employee payroll information for the calculation of salaries.
• Process The payroll system must calculate employee salaries base on work hours plus increases and deductions.
• Performance The system must provide a payroll summary every 15 days for the preparation of the pay slips.
• Controls The chief accountant must be the only person who can update the allowances, bonuses and tax rates.
Context Diagram Payroll and Biometric System
Diagram 0 for Payroll System
T1 Employee
Diagram 0 DFD for Biometrics System
T1 Employee
T2 Attendance
FINGERPRINT MATCHING DATABASE
Biometrics System Database
DATADICTIONARY
|Label: employee identification |Table: tblEmployee |
|Module: payroll system, biometrics system |Alias: empID |
|Type and Length: 8T |Default value: RJL000-00 |
|Source: employee file