Memory elements that store information in a PLC are called what?

Study for the Programmable Logic Controller (PLC) Test. Prepare with flashcards and multiple choice questions, each question provides hints and explanations. Get ready for your exam!

Multiple Choice

Memory elements that store information in a PLC are called what?

Explanation:
Bits are the memory elements that store information in a PLC. Each bit holds a single binary value—0 or 1—representing off or on states for inputs, outputs, coils, and internal flags. All the PLC’s data, from simple on/off statuses to more complex values, is built from these individual bits. Larger data units like bytes and words are simply groups of bits used to store bigger numbers or values, and a register is a storage location that can hold multiple bits. So the fundamental storage unit is the bit, making it the correct term.

Bits are the memory elements that store information in a PLC. Each bit holds a single binary value—0 or 1—representing off or on states for inputs, outputs, coils, and internal flags. All the PLC’s data, from simple on/off statuses to more complex values, is built from these individual bits. Larger data units like bytes and words are simply groups of bits used to store bigger numbers or values, and a register is a storage location that can hold multiple bits. So the fundamental storage unit is the bit, making it the correct term.

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