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When the analg to digital conversion is too slow and causes data distortion. It can be a sound flutter or video that has jagged edges. A filter or super sampling can prevent this.

1. When several different identifiers refer to thesame object. The term is very general and is used in manycontexts.See alias, aliasing bug, anti-aliasing.2. (Or "shadowing") Where a hardware deviceresponds at multiple addresses because it only decodes asubset of the address lines, so different values on theother lines are ignored.