Tell me can you have constant volatile variables?

830

---

Tell me how does input/output bus functions?

815

---

Tell me what is interrupt latency?

763

---

Tell me what is difference between binary semaphore and mutex?

804

---

Tell me what is the difference between hardware design and software design?

793

---

What is interrupt latency and how can we decrease it?

738

---

Tell me what is the need for dmac in es?

771

---

Do you know what is virtual memory?

739

---

Tell me is count down_to_zero loop better than count_up_loops?

763

---

Tell me what is the need for having multibyte data input and output buffers in case of device ports?

719

---

Tell me what is top half & bottom half of a kernel?

753

---

Do you know what is the function of watchdog timer in embedded system?

754

---

Tell me why does pre-emptive multi-threading used to solve the central controller problem?

801

---

Tell me whether we can use semaphore or mutex or spinlock in interrupt context in linux kernel?

773

---

Please explain what is semaphore?

840

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