WorksheetsT-Level - Eng Control Systems and Signal Processing Flash Cards
Total questions: 15
Worksheet time: 8mins
What are output blocks?
System blocks that take signals from process blocks and turn them back into real-world environmental signals.
Blocks that only process input signals without any output.
Components that store data temporarily before processing.
Units that convert real-world signals into digital format.
What is pulse amplitude modulation (PAM)?
The frequency of the pulsed carrier signal is varied according to the amplitude of the message signal.
The amplitude of the pulsed carrier signal is varied according to the amplitude of the message signal.
The phase of the pulsed carrier signal is varied according to the frequency of the message signal.
The pulse width of the carrier signal is varied according to the amplitude of the message signal.
What are wiring diagrams?
Diagrams that show a system in terms of its physical wiring layout, with components shown as pictorial representations.
Simple sketches of electrical circuits without detailed components.
Flowcharts that represent the sequence of operations in a system.
Blueprints that outline the architectural design of a building.
What is a summing point?
The part of a system that produces the algebraic sum of the reference signal and the feedback signal.
A point in a circuit where signals are amplified.
A location where signals are filtered to remove noise.
A component that stores electrical energy.
What are input blocks?
System blocks that take signals from the real-world environment and change them into signals that process blocks can understand.
Blocks that output signals to the real-world environment.
Components that store data temporarily before processing.
Modules that enhance the performance of processing blocks.
What are process blocks?
System blocks that respond to signals they receive from input blocks and alter them in some way, before sending them to the output blocks.
Blocks that only receive signals from output blocks and do not alter them.
Blocks that are used for storing data temporarily before processing.
Blocks that directly connect input and output without any processing.
What are schematic diagrams?
Diagrams that show a system in terms of its individual components, represented by standard symbols.
Artistic representations of systems without standard symbols.
Complex illustrations that require detailed explanations.
Basic sketches that do not represent any specific system.
What are logic gates?
Devices that convert analog signals into digital signals.
Process devices that receive digital input signals (1s and 0s) and produce digital outputs depending on those inputs.
Components that store data in a computer system.
Physical gates that control the flow of electricity in a circuit.
What is pulse width modulation (PWM)?
The frequency of the pulsed carrier signal is varied according to the amplitude of the message signal.
The width of the pulsed carrier signal is varied according to the amplitude of the message signal.
The amplitude of the pulsed carrier signal is constant regardless of the message signal.
The phase of the pulsed carrier signal is adjusted to match the message signal.
What is a closed-loop system?
A system with one or more feedback loops.
A system that operates without any feedback.
A system that only processes input data.
A system that is completely isolated from its environment.
What are electrical control systems?
Control systems that make use of electrical power supplies, components, and signals.
Systems that operate solely on mechanical power without any electrical components.
Control systems that only use digital signals for operation.
Systems designed for managing electrical appliances without any control mechanisms.
What is a transfer function?
An algebraic representation of the contents of a system block.
A graphical representation of system dynamics.
A numerical value indicating system stability.
A method for calculating system efficiency.
What is an open-loop system?
A system that uses feedback to adjust its output.
A system without a feedback loop.
A system that operates in a closed environment.
A system that requires constant human intervention.
What are block diagrams?
Diagrams that use blocks and arrows to provide a top-down overview of a system in terms of its inputs, processes, and outputs.
Simple sketches that represent the layout of a building.
Graphs that show the relationship between different variables in a dataset.
Flowcharts that illustrate the steps in a process.
What are fluid power control systems?
Control systems that use a fluid, such as liquid or a compressed gas, as the power transmission medium.
Control systems that rely on electrical signals for operation.
Control systems that utilize mechanical gears for power transmission.
Control systems that operate solely on pneumatic pressure.
