If two processes which shares same system memory and system
clock in a distributed system, What is it called?
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Give an example of microkernel.
13 Answers Global Edge, Samsung,
Write a small dc shell script to find number of FF in the design
I have been working on one thread which manage and control a couple of circular buffers. It has api for other thread to access. As the thread grows bigger and bigger, I split it as 3 to 4 threads which need to share common buffers, and also their api could be used by other threads, (not these three threads). Inside api, I also allow other threads to access these three threads' common buffers(more than one buffer). SO I have to use mutex to avoid race condition . But I found mutex will be everwhere in all the threads when they update the common buffer. I am wondering whether I could reduce mutex usage(more mutex will hure my system performance). any ideas for how to reduce mutex usage meanwhile to avoid race condition. Thanks
What is the difference b/n any GPOS and RTOS?Give suitable examples or characteristic of RTOS to support your answer. What changes can be done in a GPOS to make it work like a RTOS? What basic features will you support, if you have to design a RTOS?
8 Answers Bosch, Emulogic, L&T, Qualcomm,
what is major concerns about any RTOS selection ?
what are the rules u follow when u r writing critical section of code?
What do you mean by deadlock?
what is difference between IRQ and FRQ ?
When would you choose bottom up methodology?
When would you choose top down methodology?
What is priority inversion ? and What is the solution ?
6 Answers Qualcomm, Tandberg, Wipro,
What is a mission critical system ?
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