What is spin lock?
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Tell me can we put breakpoint inside isr?
What is an embedded system and why it is used?
Tell me how many types of ipc mechanism you know?
Explain what is the difference between mutexes and semaphores?
What is the need for having multibyte data input and output buffers in case of device ports?
DMA deals with which address (physical/virtual addresses) ?
Accessing fixed memory locations
Tell me can include files be nested?
What is mutex precisely used for?
What is the task of the pre-processor?
Tell me what could be the reasons for a system to have gone blank and how would you debug it?
What is isr? Can they be passed any parameter and can they return a value?