单选题
Which one of the following generally represents a weakness in the internal control system of an electronic data processing system?
A、
The data control group reviews and tests procedures, and handles the reprocessing of errors detected by the computer.
B、
The accounts receivable clerk prepares and enters data into the computer system and reviews the output for errors.
C、
The systems analyst designs new systems, and supervises testing of the system.
D、
The computer operator executes programs according to operating instructions and maintains custody of programs and files.
【正确答案】
D
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