logic gate: meaning, definition, pronunciation and examples
Low (specialist term)Technical/Formal
Quick answer
What does “logic gate” mean?
A fundamental physical device in digital circuits that performs a basic Boolean logic operation on one or more binary inputs to produce a single binary output.
Audio
Pronunciation
Definition
Meaning and Definition
A fundamental physical device in digital circuits that performs a basic Boolean logic operation on one or more binary inputs to produce a single binary output.
The concept is often extended metaphorically to describe any system, process, or decision point that functions according to strict binary or Boolean rules, where outputs are determined by logical combinations of inputs.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or conceptual differences. Spelling remains consistent. The underlying electronic implementations (e.g., transistor types) may vary by region but the term is standard.
Connotations
Identical technical connotations in both varieties.
Frequency
Equally low-frequency and confined to technical contexts in both regions.
Grammar
How to Use “logic gate” in a Sentence
[logic gate] + [performs/implemented as/acts as] + [AND/OR/NOT/etc.][input/output] + [of a/the] + [logic gate][construct/build] + [a circuit] + [using/from] + [logic gates]Vocabulary
Collocations
Examples
Examples of “logic gate” in a Sentence
verb
British English
- This configuration effectively logic-gates the signal, allowing pass-through only when both conditions are met.
American English
- The circuit logic-gates the input to prevent invalid states.
adjective
British English
- The logic-gate functionality is verified by simulation.
American English
- We need to check the logic-gate timing specifications.
Usage
Meaning in Context
Business
Virtually unused except in highly specific tech industries (semiconductor design, computing hardware).
Academic
Core term in Computer Science, Electrical Engineering, and Digital Electronics courses and textbooks.
Everyday
Extremely rare. Might appear in popular science explanations of computing.
Technical
The primary and exclusive context. Used in design, simulation, and analysis of digital systems.
Vocabulary
Synonyms of “logic gate”
Neutral
Weak
Vocabulary
Antonyms of “logic gate”
Watch out
Common Mistakes When Using “logic gate”
- Using 'logic gate' to refer to software conditional statements (if/else).
- Pronouncing 'gate' with a hard /g/ as in 'got' instead of the soft /ɡeɪt/.
- Treating it as a countable noun without an article ('It is built from logic gate').
FAQ
Frequently Asked Questions
Primarily a hardware concept (a physical electronic device). However, the logical function it performs is abstracted and used extensively in software and digital logic design.
The seven basic types are: AND, OR, NOT (inverter), NAND, NOR, XOR (exclusive OR), and XNOR (exclusive NOR).
Yes, common gates like AND and OR can have multiple inputs, though they still produce a single output based on the logical operation applied to all inputs.
Because combinations of NAND gates can be used to construct AND, OR, and NOT gates, and therefore any other digital logic function, making them sufficient for building any digital system.
A fundamental physical device in digital circuits that performs a basic Boolean logic operation on one or more binary inputs to produce a single binary output.
Logic gate is usually technical/formal in register.
Logic gate: in British English it is pronounced /ˈlɒdʒ.ɪk ˌɡeɪt/, and in American English it is pronounced /ˈlɑː.dʒɪk ˌɡeɪt/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Imagine a literal gate that only opens (outputs 1) if specific, logical conditions about who is knocking (inputs) are true.
Conceptual Metaphor
A DECISION-MAKER or FILTER that applies strict yes/no rules.
Practice
Quiz
What is the primary function of a logic gate?