The Squares on a Data Flow Diagram Are ____

question 17

Multiple Choice

The squares on a data flow diagram are ____.

• A) data flows
• B) sources
• C) data stores
• D) processes

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Definitions:

Closed-Loop Control System

A control system where the output influences the input through a feedback loop, aiming for stable and accurate control.

Modbus

A network that uses a master/slave communication technique.

Fieldbus

An open, all-digital, serial, two-way communications system that interconnects measurement and control equipment such as sensors, actuators, and controllers.

Serial Communication Protocols

Standards or systems for the organized transfer of data sequentially over a communication channel between computers and devices.