embedded systems funny questions and answers pdf

Embedded Systems Funny Questions And Answers Pdf

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100+ Embedded Systems Projects for Engineering Students

Join Stack Overflow to learn, share knowledge, and build your career. Connect and share knowledge within a single location that is structured and easy to search. I am looking to start from scratch to learn to program embedded systems. After some time looking around I found myself a bit confused. In my opinion, skip Arduino. I've always seen it as kind of a dumbed down system for non-programmers. Go for something that lets you apply your C knowledge to getting as low level as possible, at first.

You want to understand how interrupt vectors work, how your limited RAM limits your stack, how to debug. These are also higher performance and memory than Arduino. The CodeWarrior software is free code size limitations, but in most cases the limitation number is greater than the amount of flash on these devices , and fully functional.

I don't know if you can set code debug breakpoints with Arduino, but you can with these. There is another benefit to CodeWarrior -- while you do at first want to delve into datasheets to understand how memory-mapped registers for the various modules operate eg, how a flag should be cleared, how to set a mode, whatever , CodeWarrior comes with Processor Expert which will generate functions for you for specific HCSxx family derivatives and their specific modules.

Since most of these products reuse the logic between derivatives, with some minor differences, it makes sense to reuse code. Processor Expert has come a long way since its beginning 10 or so years ago. I know of at least one HCS12 demo board that comes with Linux and a webserver, which you could always wipe out for your first development, and then put it back when you're ready.

Freescale is also very good with providing tutorials, application notes, and documentation, except that their site is sometimes hard to navigate.

I suppose that's just a symptom of a large ecosystem. Good luck! There are several embedded platforms out there that are popular with hobbyists and very easy to use. The Arduino is probably the most popular. You'll find plenty of links there to other resources that'll help you get started. You may want to check out SparkFun , which is primarily a hobbyist-level supplier of electronics parts including Arduino and other useful boards and tools. They've got a lot of great content on their web site to help you get started with both the hardware and software.

Those that run a full OS. If there is a documented way to get the OS and boot it up, then these aren't really handled any different than desktops, except you will need to build or download a cross-compiler.

For things like phones, of course, elaborate development environments with debuggers are provided by the environment's sponsor. Those that run a program on what's called "bare metal". These will have little more than your program and the language runtime loaded. Some of these are really simple and run either a simple interpreter or assembly language. These have the advantage of not needed complex programming just to set up the integrated peripherals. You may not need an emulator or other hardware debugging setup, in fact, you may not even need hardware to get started.

If possible, try to do initial development in a virtual machine. As always, you get what you pay for. In a commercial project lots of environment is available but these are presumably not used much for robot projects and the like.

There are lots of platforms that come with reasonable amounts of support. You have tons of options! I guess you'll start with an emulator it doesn't matter what type of embedded OS you'll use, probably you won't use a x86 CPU. You tagged your question with "arm" so I guess you want to use an ARM processor then you'll need an emulator. Start to look here , you'll find tutorials and resources to begin with embedded programming.

I would suggest trying out some of TI's EZ series of development tools. You can easily buy two eZF and have them talk to each other or to another computer. TI comes with Code Composer Studio for their MSPs which is free and full featured it's based on Eclipse so the programming environment is very user friendly.

TI also provides a large number of code samples which cover most of the system's functionality. With the MSP, you will be programming on "bare metal" code as its said, so you're not just going to be programming C, you're going to be toggling outputs and bit-banging.

But it looks like you're interested in learning it down at this level, so this is a great place to start. Because your question provides little information as to application type, performance requirements, and budget etc.

However given that I would suggest that you pick an ARM architecture device, simply for the reason that this covers devices from a few dollars with performance in the 10's of MIPS, and small on-chip memories to application processors on boards costing a few hundred dollars capable of running Linux, WinCE or Android for example. Like it or not ARM is ubiquitous in the embedded systems world; everything else is niche in terms of design-in and market share.

You will be frustrated however if you do not factor in the cost of tools and debug hardware. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Embedded programming … very beginning [closed] Ask Question. Asked 8 years, 11 months ago. Active 8 years, 11 months ago. Viewed 5k times. Improve this question. Clifford 75k 12 12 gold badges 77 77 silver badges bronze badges. You might want to narrow the scope of your goal.

Try to imagine, more specifically, what sorts of things you want to create, and go from there. DeadMG: It is quite clear in context that he means he can program in both. Just for you I made it clearer. Give some scope to the question: What kind of applications are you interested it?

What is your budget? In the broad spectrum of embedded systems, it is not possible to guide you unless you narrow down the scope a little. What I'm looking for is to learn the basics of embedded.

I have a number of simulators with some sample code asm and C , github. Add a comment. Active Oldest Votes. Improve this answer. In my opinion Arduino the device is a pretty good cheap uC dev platform.

Just don't use the Arduino library. Caleb Caleb k 19 19 gold badges silver badges bronze badges. One could divide embedded systems into two classes: Those that run a full OS. DigitalRoss DigitalRoss k 23 23 gold badges silver badges bronze badges. Adriano Repetti Adriano Repetti The weird last paragraph asking about ARM design meetings was been removed, so your answer fits the question now. PeterCordes yes but there is already another answer, it won't add that much to undelete mine.

On the other hand, if you want an embedded OS such as Linux check out the gumstix website. JoeyG JoeyG 2 2 silver badges 5 5 bronze badges. Clifford Clifford 75k 12 12 gold badges 77 77 silver badges bronze badges. Are there not some software tools I can use just so that I can try out a little bit of programming going on? For instance, some tutorials using microprocessor emulators? Or do you advise to start right away with a physical chip?

I suggest to the OP that he or she spend some time to decide as to what the embedded device must do. If it must do everything, it's going to be one of the more expensive boards. If it's just a telemetry device or something simple i. I agree that the scope of my question can be extremely generic - sorry for that.

I was just trying to get some tips on how to start doing some pretty simple programs, just for fun. The only "special" thing about programming embedded system is directly accessing hardware. Consider one of these boards , and order a "Starter Kit" rather than a stand-alone board since the kit includes a JTAG debugger board so you can program the board and debug the code running on the board stepping, breakpoints, watchpoints etc.

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16 Best Questions to ask Embedded Systems Programmers

This course is focused on giving you real world coding experience and hands on project work with ARM based Microcontrollers. You will learn how to implement software configuration management and develop embedded software applications. The course concludes with a project where you will create your own build system and firmware that can manipulate memory. The second course in this 2 course series , Embedded Software and Hardware Architecture, will use hardware tools to program and debug microcontrollers with bare-metal firmware. Using a Texas Instruments MSP Development Kit, you will configure a variety of peripherals, write numerous programs, and see your work execute on your own embedded platform! CU-Boulder is a dynamic community of scholars and learners on one of the most spectacular college campuses in the country.

I am not a recruiter. I am a software engineer. And as such, I know what it's like to be asked to whip up brilliant algorithms on the spot and then write flawless code on a whiteboard. I've been through this as a candidate and as an interviewer. Cracking the Coding Interview, 6th Edition is here to help you through this process, teaching you what you need to know and enabling you to perform at your very best. I've coached and interviewed hundreds of software engineers.

Introduction to Embedded Systems Software and Development Environments

Nowadays we regularly hear about one of the most important concepts in electronics, that is Embedded Systems. What is embedded systems? Why many people prefer embedded systems in these days? An embedded system is nothing but a computer system which is designed to perform many operations such as to access the data, process the data, store the data and also control the data in electronics based systems. In embedded systems, software commonly known as firmware is hidden inside the same hardware rather than in some other hardware.

Need a little help with embedded-specific interview questions? Or do you simply want to take a break and have fun with a test? Electro-Tech-Online member known as amol. Let us know how you did and if you found the questions useful. Over the years, I have had to both take and prepare such tests and in doing so have realized that these test can be very informative for both the interviewer and interviewee.

Top 18 Embedded Systems Interview Questions & Answers

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System freezes and hangs are not only frustrating to an end user, but they can also be quite challenging to debug and fix. As firmware engineers, we must make sure our systems can always recover from a stuck task, or an infinite loop. This is best accomplished with a watchdog. In this article we will discuss the last line of defense in embedded systems — watchdogs. Like Interrupt?

Most questions start with a word that begins with the wh- consonant pattern what, when, where, which, who, or why. In this fiction comprehension worksheet Catered to the first-grade curriculum, this worksheet uses a sample reading to have students think about the "wh" questions that can help them. We have detected that cookies are not enabled on your browser. More Trivia Questions. In this example, we'll say "Fictional Characters". Exercise Read the following sentences and frame appropriate questions.

A Guide to Watchdog Timers for Embedded Systems

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. With embedded system, it is possible to replace dozens or even more of hardware logic gates, input buffers, timing circuits, output drivers, etc. Real-time embedded systems are computer systems that monitor, respond or control an external environment. This environment is connected to the computer system through actuators, sensors, and other input-output interfaces. The microcontroller is a self-contained system with peripherals, memory and a processor that can be used as embedded system.

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Join Stack Overflow to learn, share knowledge, and build your career. Connect and share knowledge within a single location that is structured and easy to search. I am looking to start from scratch to learn to program embedded systems. After some time looking around I found myself a bit confused. In my opinion, skip Arduino.

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Повисла тишина. Фонтейн, видимо, размышлял. Сьюзан попробовала что-то сказать, но Джабба ее перебил: - Чего вы ждете, директор. Позвоните Танкадо.

Взгляд его черных глаз стал тяжелым и неподвижным.

 Мидж, - сказал Бринкерхофф, - Джабба просто помешан на безопасности ТРАНСТЕКСТА. Он ни за что не установил бы переключатель, позволяющий действовать в обход… - Стратмор заставил.  - Она не дала ему договорить.

Она быстро проверила отчет программы в поисках команды, которая могла отозвать Следопыта, но ничего не обнаружила. Складывалось впечатление, что он отключился сам по. Сьюзан знала, что такое могло произойти только по одной причине - если бы в Следопыте завелся вирус.

Хейл не проронил ни слова. Казалось, вспыхнувшая на его глазах перепалка абсолютно его не касается. Очевидно, Стратмор вдруг задумался:. У Сьюзан имелся на это ответ.

Я сказал ей, что даю пятьдесят, но она хотела .


Frank D.

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