Question:

You work as the IT manager for a manufacturing firm. One of the corporate executives is perplexed as to why you are purchasing serial devices rather than parallel devices. You explain that serial transmits only one bit of data at a time, but it does so much faster than parallel. Which of the following is NOT a serial connection?

A Centronics.

explanation

Centronics is a common name for a parallel port. Because serial communications are so much faster, parallel ports have become obsolete. Serial communications are used by Thunderbolt, Lightning, and USB-C, and they are very fast.

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