In a Data Flow Diagram (DFD), the Gane and Sarson

question 79

Multiple Choice

In a data flow diagram (DFD) , the Gane and Sarson symbol for a data store is a _____.

• A) rectangle with rounded corners
• B) line with a single or double arrowhead
• C) flat rectangle that is open on the right side and closed on the left side
• D) rectangle, which may be shaded to make it look three-dimensional

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Definitions:

Input Module

A hardware component in a control system that receives and processes external signals for use within the system.

BCD

Binary Coded Decimal, a class of binary encodings where each digit of a number is represented by a fixed number of binary bits, commonly four or eight.

PL Output

PL Output refers to the output signals from a Programmable Logic (PL) device or system, controlling various devices based on programmed logic.

Energized

In electrical engineering and systems, energized describes a component or circuit that is supplied with power and is therefore active or operative.