Answer & Solution
Answer:Option 3
Solution:
- Single-ended transmission in SCSI Bus means that the signals have a common ground return.
- The bus may use single-ended transmission (SE), where each signal uses one wire, with a common ground return for all signals.
- In another option, differential signaling is used, where a separate return wire is provided for each signal.
- In this case, two voltage levels are possible. Earlier versions use 5 V (TTL levels) and are known as High Voltage Differential (HVD).
- More recently, a 3.3 V version has been introduced and is known as Low Voltage Differential (LVD).
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