दाखिल करना

Computer Science for IGCSE & O level - Data Transmission (Section 7 - No. 25)

What type of errors do check digits mainly help to prevent?

Errors during data transmission.

Errors during data entry or scanning.

Errors in data encryption.

Errors caused by network congestion.

स्पष्टीकरण

Check digits help catch errors made during data entry.

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