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Difficulty: MediumComparison of Manual and Computerized Accounting Systems

An auditor is evaluating the internal control environment of a firm that recently migrated its records. Which of the following statements correctly distinguishes the operational characteristics of an audit trail between manual and computerized accounting systems?

  1. In a manual system, the audit trail is directly visible through physical source documents and paper ledger entries, whereas in a computerized system, it relies on system access logs and digital transaction histories.Answer
  2. B
    Computerized accounting systems completely eliminate the need for internal controls because automated software checks prevent all clerical errors and financial fraud.
  3. C
    Manual systems require human intervention only for journal entry, whereas computerized systems completely replace human involvement in financial decision-making and accounting analysis.
  4. D
    Manual accounting systems process all ledger entries instantaneously in real time, whereas computerized systems can only update accounts via periodic batch processing at the end of a financial period.

Answer

In a manual system, the audit trail is directly visible through physical source documents and paper ledger entries, whereas in a computerized system, it relies on system access logs and digital transaction histories.
In manual accounting, every transaction creates a paper trail of physical documents (vouchers, journals, ledgers) that auditors physically inspect. In computerized systems, postings occur electronically, requiring auditors to check digital transaction logs, timestamps, user permission settings, and computer files to trace transactions.

Step-by-Step Solution

1
Analyze the nature of audit trails in manual accounting systems.
Identify that manual audit trails rely on physical paper documents (invoices, receipts, vouchers) and handwritten journal and ledger entries.
Manual systems leave a tangible paper path that can be physically inspected step-by-step.
2
Analyze the nature of audit trails in computerized accounting systems.
Recognize that automated systems generate electronic audit trails consisting of system event logs, timestamped transaction records, and user identification tags.
Internal postings occur internally within computer memory and databases rather than on paper.
3
Compare both systems to select the valid distinction.
The statement describing manual systems as relying on physical paper documents and computerized systems as relying on digital access logs and transaction histories accurately describes the difference.
This correctly highlights the structural difference in how audit paths are maintained and verified.

Key Concept

Comparison of Manual and Computerized Accounting Systems
Estimated Time:1m 0s
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Comparison of Manual and Computerized Accounting Systems