Embedded Systems(Departmental Elective - III) — Summer 2018

Define: [1] Firmware [2] Cache [3] Interrupt

Differentiate: 1. Digital Signal Processor (DSP) v/s General Purpose Processor (GPP) 2. RAM v/s ROM

Explain various software tools for designing the Embedded System.

Classify Embedded systems along with their applications.

How do your write a device driver? List the steps involved in writing a device Driver?

Explain any three wireless and mobile system protocols.

Explain any three serial communication bus protocols.

Explain Watchdog timer in brief.

Which one is better? I/Obusy-wait approach or ISR method. Justify your answer.

Explain the concept of DMA with block diagram.

Define: [1] Process [2] Thread [3] Task

What are the parameters available in TCB of a Task? Why should each task has distinct TCB?

State the characteristics of Function, ISR and Task in brief.

Define: [1] Pipes [2] Sockets [3] Signals

Write a short note on Mailbox.

Define Semaphore. How can the semaphore be used for guarding the Critical Section. Explain with example.

Why does and OS provide two modes, user mode and supervisory mode?

List the pros and cons of fixed and dynamic block allocations by the OS.

Enlist the services of an Operating System.

Define network OS. How does it differ from conventional OS?

Enlist the features of MSP430.

Explain various task scheduling models available in an RTOS?

Explain File System Organization of an OS in brief.

Explain the priority inversion problem with an example.

What is the advantage of using a signal as an IPC? Enlist the situations which warrant use of signal.