Which term is given to the database resulting from (1) the transformation of the electronic navigational chart (ENC) by ECDIS for appropriate use, (2) the updates to the ENC by appropriate means, and (3) the additional data added by the mariner?
⢠ECDIS (Electronic Chart Display and Information System) definitions used in IMO performance standards ⢠The difference between the official ENC (Hydrographic Office data) and the internal chart database used by ECDIS ⢠How mariner-added information (user chart, manual updates, notes) is stored in the system
⢠Ask yourself: once the official ENC file is loaded, converted for use by a particular ECDIS, and then kept up to date, what is that whole resulting internal database called? ⢠Which optionâs wording best reflects an internal system database, rather than just what is currently visible on the screen? ⢠Look at the answer choices: which one sounds like a specific technical term defined in ECDIS standards, not just a generic description of âwhat you see on the displayâ? (Think about the word 'system' vs. 'display'.)
⢠Verify that the correct term includes all three components in the question: transformed ENC, official updates, and mariner-added data. ⢠Check whether the term you pick refers to the underlying database in the ECDIS, not just the visible layers or presentation on the screen. ⢠Make sure the term you choose is the one used in IMO ECDIS performance standards as the name of the ECDISâs internal chart database.
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