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Quizzes > Computers & IT

Examen TSSR corrige 2025: quiz de revision

QCM TSSR corrige pour verifier vos competences en maths. Resultats instantanes.

Editorial: Review CompletedCreated By: Christopher AxeUpdated Aug 27, 2025
Difficulty: Moderate
Grade: Grade 11
Study OutcomesCheat Sheet
Colorful paper art promoting TSSR Corrig Express, a dynamic high school practice quiz.

This examen TSSR corrige 2025 quiz helps you review key maths topics and see where to improve. Answer 20 quick questions, check the corrections, and track your score. For a fast challenge, try our QuizTest practice quiz, or build speed with a fun quiz d'animation interactif.

What is a signal in the context of systems theory?
A fixed output generated by a system.
A device that processes input data.
A measurable physical quantity that conveys information.
A type of closed-loop control mechanism.
A signal is defined as a measurable physical quantity that contains information, typically expressed as variations over time. It is distinct from devices or systems that process this information.
Which of the following best describes a system?
A single device that outputs a constant signal.
A component that only receives input without processing it.
A disconnected series of unrelated parts.
An organized set of components that interact to achieve a specific function.
A system is an organized collection of interdependent components working together toward a defined purpose. This interactivity and purposeful design distinguish it from a random assembly of parts.
Which option defines an open-loop control system?
A system that integrates both feedback and feedforward control.
A system that uses sensors to control its behavior.
A system that continuously monitors its output for adjustments.
A system that operates without using feedback to adjust its performance.
An open-loop system operates without feedback, meaning it does not adjust its performance based on the output. This contrasts with closed-loop systems where output feedback is used to maintain control.
What is a closed-loop control system?
A system that works only in one direction without corrections.
A system that operates solely based on preset inputs.
A system with no operating adjustments.
A system that uses feedback to compare the actual output with the desired output.
A closed-loop system incorporates feedback to continuously adjust its output based on the difference between the actual and desired states. This process helps maintain accurate and stable performance.
What is the primary function of feedback in a control system?
To adjust the system output by comparing it to the desired outcome.
To eliminate the need for system sensors.
To increase the complexity of the system unnecessarily.
To maintain a fixed output regardless of conditions.
Feedback is used to make real-time adjustments by comparing the system's output with the desired result. This corrective mechanism is crucial for maintaining performance and stability in control systems.
In a basic RC circuit used as a low”pass filter, what happens to high”frequency signals?
They are significantly attenuated.
They are converted to direct current.
They are amplified.
They pass through unchanged.
A low”pass filter allows low-frequency signals to pass while attenuating high-frequency signals. This behavior is due to the frequency-dependent impedance of the capacitor in the RC circuit.
What is the primary purpose of a sensor in a control system?
To mechanically alter the system's structure.
To amplify the system's output.
To detect and measure physical changes or signals in the environment.
To directly control the actuator's performance.
Sensors are used to detect physical changes and convert them into signals that a control system can process. They serve as the input mechanism that informs the system of its current state.
Which term describes a system whose characteristics do not change over time?
Dynamic system.
Time-variant system.
Time-invariant system.
Stochastic system.
A time-invariant system has properties that remain constant regardless of when an input is applied. This consistent behavior over time is essential in many control applications.
What does the term 'stability' of a system mean?
The system's resistance to power fluctuations.
The level of complexity in its design.
The speed at which a system processes data.
The ability of a system to return to equilibrium after a disturbance.
Stability refers to a system's ability to return to its equilibrium state after being disturbed. A stable system will eventually settle back to a steady state even following external changes.
In signal processing, what does a frequency domain representation of a signal provide?
A measure of the signal's overall energy without frequency details.
The spectral components, including amplitude and phase information of different frequencies.
Only the time sequence of the signal.
A simple plot of the signal's intensity over time.
The frequency domain representation shows the different frequency components that constitute the signal, along with their amplitude and phase. This provides insight into how the signal's energy is distributed across frequencies.
What is the role of an actuator in a control system?
To convert control signals into physical actions or outputs.
To store energy for later use.
To filter unwanted signals.
To measure environmental changes.
Actuators are devices that take control signals and convert them into actual physical actions, such as movement. They are essential for executing the commands decided by the control logic.
Which of the following best describes a proportional controller?
A controller that operates independently of the measured error.
A controller that produces an output proportional to the error between desired and actual performance.
A controller that only reacts after a delay period.
A controller that ignores the error in the system.
A proportional controller adjusts its output in proportion to the error signal, which is the difference between the desired and actual values. This helps reduce the error but may require additional components to eliminate steady-state error.
What is a typical effect of increasing feedback gain in a control system?
It always guarantees perfect tracking of the desired output.
It can speed up the system's response but may lead to overshoot or instability if too high.
It has no effect on system performance.
It decreases the system's speed and improves stability.
Increasing the feedback gain generally makes the system respond more quickly to errors. However, if the gain is too high, it can cause overshoot or even lead to instability in the system.
In signal processing, what does sampling refer to?
The amplification of a signal's strength.
The method of comparing two different signals.
The process of converting a continuous signal into a discrete sequence of values.
The process of filtering out unwanted frequency components.
Sampling is the process by which a continuous-time signal is converted into a discrete-time signal by recording values at regular intervals. This is a fundamental step in digital signal processing.
Which factor is important when designing a control system for stability?
The installation location of the system components.
The color of the actuator.
The gain margin and phase margin.
The physical size of the sensors.
Gain margin and phase margin are critical parameters that indicate how robust a control system is to variations and disturbances. They help determine the stability of the system under different operating conditions.
In a unity feedback system with an open-loop transfer function G(s) = K/(s + 2), what happens to the closed-loop pole as the proportional gain K increases?
The closed-loop pole becomes complex and leads to oscillations.
The closed-loop pole shifts to the right, reducing stability.
The closed-loop pole remains unchanged regardless of K.
The closed-loop pole shifts further to the left, leading to a faster response.
For the given first-order system, the closed-loop pole is located at -(2+K). As K increases, the pole moves further left in the s-plane, indicating a faster and more stable system response.
When analyzing a signal in the frequency domain using a Fourier transform, which of the following statements is true?
It removes noise without any frequency analysis.
It exclusively provides time-based information about the signal.
It shows only the highest frequency component present in the signal.
It decomposes the signal into its constituent frequencies, providing both amplitude and phase information.
The Fourier transform breaks down a signal into its frequency components, offering detailed insights about both amplitude and phase. This decomposition is essential for analyzing the frequency content of signals.
In a second-order control system, which parameter is most closely associated with oscillatory behavior and overshoot?
The damping ratio.
The sensor accuracy.
The steady-state error.
The time delay.
The damping ratio is a critical parameter that influences the transient response of a second-order system. A lower damping ratio typically leads to increased oscillations and higher overshoot.
In digital signal processing, what is aliasing?
The conversion of an analog signal directly into a digital signal without any filtering.
The process of removing high-frequency components from a signal.
Distortion that occurs when a signal is sampled below its Nyquist rate.
An increase in signal amplitude due to sampling.
Aliasing happens when the sampling rate is insufficient to capture the frequency content of the signal accurately, leading to overlap and distortion of frequency components. This is why adherence to the Nyquist criterion is essential in digital signal processing.
For a stationary process in time series analysis, which property is expected?
An immediate response to all external changes.
A varying mean and variance that change with time.
Autocorrelation values that depend on the specific time rather than the time difference.
A constant mean and variance over time, with autocorrelation depending only on lag.
A stationary process is characterized by statistical properties that do not change over time, such as a constant mean and variance. Additionally, the autocorrelation function depends solely on the time difference (lag) rather than the absolute time.
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Study Outcomes

  1. Analyze immediate corrective feedback to identify knowledge gaps in TSSR topics.
  2. Apply effective problem-solving strategies to tackle TSSR exam questions.
  3. Evaluate personal understanding through targeted, dynamic quiz questions.
  4. Interpret corrections to reinforce conceptual clarity and exam readiness.
  5. Assess performance to strategically focus on areas needing improvement.

Examen TSSR Corrige: Exam Review Cheat Sheet

  1. Understand the Test Structure - Get cozy with the question types, sections, and timing so nothing surprises you on exam day. Mapping out the format helps you prioritize and pace yourself.
  2. Develop a Study Plan - Sketch out a realistic timetable that balances your strengths and tackles weak spots head‑on. Consistent, bite‑sized sessions beat marathon cramming every time.
  3. Practice Active Reading - Use the PQ4R method (Preview, Question, Read, Reflect, Recite, Review) to turn passive skimming into engaged learning. Your brain will thank you later!
  4. Utilize Visual Aids - Colour‑coded charts, mind maps, and infographics transform abstract ideas into memory magnets. Visual storyboards make tricky concepts stick like glue.
  5. Practice with Sample Questions - Treat every practice quiz like a mini‑exam: timed, focused, and followed by a quick review. Familiarity breeds confidence (and higher scores).
  6. Join Study Groups - Bring friends along for quizzes, debates, and mutual cheerleading. Fresh perspectives and friendly challenges turn solo study into a social adventure.
  7. Focus on Weak Areas - Pinpoint those topics that make you frown and devote extra time to them. Turning weaknesses into wins is the ultimate confidence boost.
  8. Simulate Exam Conditions - Set a timer, clear distractions, and pretend it's the real deal. Building exam stamina beforehand means no surprises when test day arrives.
  9. Review and Reflect - Wrap up each session by summarizing key takeaways and jotting down lingering questions. Reflection cements learning and lights up your next study target.
  10. Stay Positive and Confident - Rock a power pose, repeat a motivational mantra, or celebrate small wins. A positive mindset turbocharges focus and tames exam jitters.
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