Final answer:
The specific duration for keeping electronic records can vary, but for many business and tax purposes, records are commonly kept for 7 years. It's essential to check with legal advisors or local regulations for precise requirements.
Step-by-step explanation:
The question regarding how long electronic records must be kept does not have a one-size-fits-all answer, as it can depend on industry regulations, the type of records, and the specific laws of a country or state.
However, based on the context provided in the 'Solution 5.9' reference, which seems unrelated to the specific question of record-keeping and rather talks about the lifespan of computer parts, it appears that there might be a misunderstanding or misalignment with the provided information.
For business purposes in many jurisdictions, it's common to keep records for 7 years, as this is a typical requirement for tax purposes. However, specific types of records could be subject to different rules. It is best to consult with legal advisors or applicable regulations in your area for accurate guidance.