Computer Science for IGCSE & O level - Data Transmission (Section 13 - No. 47)
How does a checksum help in data integrity?
By encrypting the data.
By compressing the data.
By verifying that the data hasn't been altered during transmission.
By providing extra storage space.
הֶסבֵּר
Checksums help verify that the data hasn't been changed during transmission or storage.