Question

the system for recording, documenting, and identifying drawing revisions by using a numeric or alphabetic sequence is called

computer - aided drafting
drawing revision control
revision block control
line of construction

Explanation:

Drawing revision control is the system for recording, documenting, and identifying drawing revisions using a numeric or alphabetic sequence. Computer - aided drafting is about using computers for drafting, revision block control is not the standard term for this concept, and line of construction is unrelated to this process.

Answer:

B. drawing revision control