File Name: technical interview questions and answers on embedded systems .zip
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The word embedded merely means that something is attached to another thing or system. An embedded system is just like a computer hardware system, but it has software embedded inside the system. It is mainly a part of a bigger system or an independent system. It is based on microprocessors and microcontrollers in order to perform specific tasks.
Semaphore is simply a variable that is non-negative and shared between threads. This variable is used to solve the critical section problem and to achieve process synchronization in the multiprocessing environment. A watchdog timer is an electronic part of the hardware that detects the computer malfunction and anomalies in the software. During a check for any activity, the timer starts counting from zero and the software restarts. If the software has not restarted and the timer is at zero then it signifies malfunctioning of the software. When you restart the counter of watchdog timer then this process is known as kicking the dog. The watchdog timer is really effective in preventing your system from several dangerous situations by detecting the activity in advance.
Describe the pros and cons of using a generic real-time operating system RTOS on a mid-range microcontroller. RTOSes can significantly ease the development of complex products, which can translate into faster development cycles. Because of all that, they also introduce overhead in code size and CPU usage, which is not acceptable for all projects. Interrupt handlers almost always need to finish their execution quickly—the details depend on the device and application—and this limits the complexity of what can be done in their code. Also, the context in which the interrupt handler code is executed can, for either hardware or software reasons, prevent the usage from within the interrupt handler code of:.
This article is mainly focused on the most repeatedly asked embedded system interview questions. These embedded system questions not only for fresher but also good for the experienced person. I hope these embedded system interview questions with the answer will be helpful. If you have any other important questions relate to the embedded systems and concepts or want to give the answer to any mentioned embedded systems interview questions, then please write in the comment box. It is helpful to others. The below table contains some common differences between Microprocessor and Microcontroller Microprocessor vs.
These 36 solved Embedded Systems questions will help you prepare for technical interviews and online selection tests conducted during campus placement for freshers and job interviews for professionals. After reading these tricky Embedded Systems questions , you can easily attempt the objective type and multiple choice type questions on this topic. What is the need for an infinite loop in Embedded systems? How does combination of functions reduce memory requirements in embedded systems? The design philosophy of RISC architecture is such that only one instruction is performed on each machine cycle thus taking very less time and speeding up when compared to their CISC counterparts. All these features make it the choice of architecture in majority of the Embedded systems. Why do we need virtual device drivers when we have physical device drivers?
Learn Embedded Systems based Questions and Answers for technical interview, types, characteristics, interview questions on Embedded.
Download PDF 1 Explain what is embedded system in a computer system? An embedded system is a computer system that is part of a larger system or machine. It is a system with a dedicated function within a larger electrical or mechanical system.
So, there is a huge scope for professionals in the job market. We at Mindmajix, have prepared a bunch of top interview questions in this blog that covers the basics of the embedded systems. We hope you will benefit from these questions and clear your interview easily. Categories of Embedded Interview Questions.
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Embedded Systems based Questions and Answers. What are the characteristics of embedded system? The Characteristics of the embedded systems are as follows- 1. Sophisticated functionality 2. Real time behavior 3.
Однако он не смог удержаться от вопроса: - Сколько же вы хотите за оба экземпляра. - Двадцать миллионов американских долларов. Почти столько же поставил Нуматака. - Двадцать миллионов? - повторил он с притворным ужасом. - Это уму непостижимо.
1) What is a semaphore? 2) List few advantages and disadvantages of embedded system? 3) Explian what is embedded system? 4) What are major components of embedded system? 5) What is difference between thread and process? 6) What is RISC architecture? 7) What are major differences betwen CISC Vs RISC?
Top 18 Embedded Systems Interview Questions & Answers. Details: Last Updated: 09 March Download PDF.