Computer Science for IGCSE & O level - Algorithm Design And Problem Solving (Section 12 - No. 37)
Which of the following is a common step in using a check digit algorithm?
Dividing, multiplying, and adding.
Multiplying, adding, and subtracting.
Subtracting, multiplying, and adding.
Multiplying, dividing, and adding.
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Check digit algorithms use these steps.