Which of the Following Is an Example of a Data

question 45

Multiple Choice

Which of the following is an example of a data verification check?

• A) The system checks that a numerical amount in a field does not exceed some predetermined amount.
• B) As the system corrects errors and data are successfully resubmitted, the causes of the errors are printed out.
• C) The system returns an error message if the value entered in a field does not match one in a reference file of permissible values.
• D) After transaction data are entered, certain data are sent back to the workstation for comparison with data originally sent.

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Definitions:

NULL Constant

A special marker used in programming to represent a null pointer, indicating that the pointer points to no valid location.

'\0'

Represents the null character, used to mark the end of a string in programming languages like C.

Character Array

A sequence of characters stored consecutively in memory and accessible via a single variable.

Getchar()

A function that reads the next available character from the standard input stream and returns it.