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UNIT 6: Computers - Coggle Diagram
UNIT 6: Computers
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Application controls
Processing controls
Accuracy of processing
1) Operator manuals and instructions
2)Controls over hardware
3) Edit checks
4) Physical checking for accuracy by users
5) Review & follow up of exception reports
6) Recons & balancing
7) Scrutiny by users of processed info for accuracy
8) Checking postings by users
9) Supervision & review
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Validity of processing
1) Access controls
2) Librarian function
3) Files labels and version numbers
4) Overrides
5) Manual intervention
6) Matching by the computer
7) Manual logs
8) Supervision and review
9) Segregation of duties
Output controls
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Validity of output:
1) Distribution should be controlled
2) Distribution list
3) Distribution schedule
4) Distribution register
5) Output logs
6) Online output
7) Terminal located in secure area
8) Access controls
Input controls
Accuracy of input
1) Matching by the computer
2) Review by users or senior staff
3) Edit Checks
4) Staff training
5) Control over documents
6) Control over screens
Completeness of input
1) Stationary controls
2) Matching by the computer
3) Sequential testing by the computer
4) Review of output reports by users
5) Examining of processing logs
6) Control totals
Validity of input
1) Access controls
2) Segregation of duties
3) Authorization
4) Overrides of system generated information
5) Changes in data
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