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CONTROLS IN AN EDP SYSTEM
EDP EQUIPMENT IN AUDITING
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account balance accounts receivable accuracy activities actual master records aged trial balance amount audit procedures audit trail auditor batch billings cash receipts central processing unit computer audit programs computer operations computer programs confirmation console Control Group control totals credit limit credit memorandums customer number daily status report data fields days 60 days 90 days designed determine EDP equipment EDP system electronic data processing electronic systems employee errors evaluation exception report functions home office input internal control inventory invoices keypunching ledger machine machine-readable form magnetic tape files manual master file method non-EDP systems normal order entry output performed personnel prepared printed procedural controls program flow chart programmed checks punched cards puter random random-access file record routine require sample selected source documents system flow chart test data test deck test transactions tion transaction codes types of transactions unit record equipment updating valid valuation year-end