block diagram

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block diagram

A student draws a block diagram on a whiteboard.

Definition

Noun: A simplified visual representation, using labeled geometric shapes (blocks) and connecting lines, that illustrates the major functional components of a system and the flow of information, signals, or relationships between them. It is commonly used in engineering, electronics, and process design to show the high-level structure and operation of a system without detailing its internal circuitry or implementation.

Usage

A block diagram is used to provide a clear, conceptual overview of a system. It abstracts complex systems into manageable parts, showing what the system does and how its main parts interact, rather than how each part is physically built.

Examples
  • The engineer drew a block diagram to explain the basic signal flow in the audio amplifier.
  • Before writing any code, we created a block diagram of the software's main modules and their dependencies.
  • The textbook includes a block diagram of a computer's central processing unit, showing the arithmetic logic unit, control unit, and registers.
Advanced Usage
  • Functional Block Diagram: Emphasizes the functions or operations performed by each subsystem.
    • The functional block diagram for the climate control system showed separate units for sensing, processing, and actuation.
  • In block diagram form: A phrase used to describe presenting information using this method.
    • The proposal outlined the new network architecture in block diagram form.
Variants and Related Words
  • Schematic Diagram: A more detailed diagram than a block diagram, showing the electrical connections and components using standardized symbols.
  • Flowchart: A diagram that represents a process or algorithm, using different shapes (like diamonds for decisions) to show a sequence of steps, often used for programming or business processes.
  • System Diagram: A broader term that can encompass block diagrams, often used to show the components of larger, more complex systems like ecosystems or organizations.
Synonyms
  • System Overview Diagram
  • Functional Diagram (in a specific context)
  • High-Level System Diagram
Related Phrases
  • To block out a diagram: To sketch or draft the initial blocks and connections of a system's design.
    • Let's block out a diagram of the user registration process before we meet with the developers.
block diagram

A student draws a block diagram on a whiteboard.

Noun
  1. a diagram showing the interconnections between the components of system (especially an electronic system)