Since Data-Flow Diagrams Concentrate on the Movement of Data Between

question 59

Multiple Choice

Since data-flow diagrams concentrate on the movement of data between processes, these diagrams are often referred to as:

• A) process models.
• B) data models.
• C) flow models.
• D) flow charts.
• E) logic models.

---

Definitions:

Output Instructions

Commands or directives in a computer program or control system that cause the system to produce or alter external signals or data.

Scan Time

The time taken by a PLC to read inputs, execute a program, and update outputs, a critical parameter for real-time control system performance.

Ladder Program

A graphical programming language used for developing control logic in PLCs (Programmable Logic Controllers) and other industrial control systems, visually resembling a ladder.