CCEA GCE Digital Technology Practice Questions - CCEA GCE Digital Technology (2016 Specification) - Northern Ireland Exam

In a data flow diagram, what does a context (Level 0) diagram primarily show?

Every field of every database table in 3NF The system as a single process with external entities and major data flows CPU register transfers during the fetch–execute cycle A Gantt chart of staff holidays

Correct Answer:

The system as a single process with external entities and major data flows

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