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10 Questions

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Embedded Systems vs

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Questions and Answers

Which of the following is a major difference between embedded systems and PLCs?

Embedded systems are generally more expensive than PLCs

The application program of an embedded system can be reprogrammed or modified in a short time like a PLC (correct)

All PLCs are embedded systems, but not all embedded systems are PLCs

Programming PLCs is more complicated than coding a µC

What is a characteristic of programming PLCs compared to coding a µC?

µCs have a price trade-off for extra features

PLCs have less complex programming compared to µCs (correct)

µCs cannot be used in car wash automation

PLCs are generally more expensive than µCs

Which of the following is a good application for PLCs according to the text?

Car wash automation (correct)

Operating system development

Mobile app development

Graphic design

What is a feature of embedded systems mentioned in the text?

They are always more complex to program than PLCs Signup and view all the answers

What is a cost trade-off mentioned in the text regarding PLCs?

PLCs are generally more expensive than embedded systems Signup and view all the answers

What is the goal of equalization in communication systems?

To remove time-domain inter-symbol interference Signup and view all the answers

Which circuit can help compensate for low-pass filtering in a communication channel?

High-pass filter Signup and view all the answers

Which equalizer implementation pre-distorts the transmitted pulse to invert channel distortion?

TX FIR Signup and view all the answers

Which approach is commonly used to set the coefficients of a TX FIR filter?

Least Mean Squares (LMS) Algorithm Signup and view all the answers

What is the limitation of a TX FIR filter in terms of low-frequency content?

It attenuates low-frequency content Signup and view all the answers

Study Notes

Computer Controlled Systems and PLCs - Lecture Summary

Lecture 1 on Computer Controlled Systems by Dr. Mohammed M Abozahhad on 16/10/2023
Distinctions between embedded systems and PLCs: All PLCs are embedded systems, but not vice versa. PLCs are more easily reprogrammable and less complex to program than embedded systems.
PLC applications: Car wash automation, material handling, laser cutting, elevators, and pouch filling machines.
Equalization in communication systems: Goal is to remove time-domain inter-symbol interference and amplify high-frequency content.
Compensating for low-pass filtering: High-pass filter can help compensate for low-pass filtering in a communication channel.
Equalizer implementation: RX DFE implementation pre-distorts the transmitted pulse to invert channel distortion.
Setting coefficients of a TX FIR filter: Least Mean Squares (LMS) Algorithm is commonly used to set the coefficients of a TX FIR filter.
Limitation of a TX FIR filter: It attenuates low-frequency content.

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Description

Test your knowledge of computer controlled systems with this quiz on the major differences between embedded systems and PLCs. Explore key concepts from Dr. Mohammed M Abozahhad's lecture and gain a deeper understanding of electrical engineering in 2023.