From Computer Connection:
Timeclock.exe is a software based time tracking program. Timeclock is fully integrated with payroll.exe. Payroll.exe calculates gross and net pay deducting fedreral income tax, social security, Medicare, retirement, medical, and dental. Payroll.exe also calculates the quarterly Social Security/Medicare Federal Report and W2 information. Payroll.exe information can contain most employee statistics and company information.