Embedded Systems (Department Elective - I) — Winter 2019

Which are the basic services offered by RTOS for the embedded system design?

List the difference between RISC and CISC architectures.

Draw and discuss the basic block diagram of architectural model of ARM controller which you have studied.

What is Thumb instruction set and give it’s merits and demerits.

Write short notes on PCI and ISA buses.

Why do the scheduling and synchronization required in any OS? Explain any one scheduling technique.

What are processes, tasks and threads? Explain with suitable example.

Describe the functionality of the following instructions: (1) LDMIA, (2) MVN, (3) ASR

Write an assembly program to multiply two 16-bit numbers and store the result in memory location defined as ROSE onwards.

What is load/ store mechanism in ARM processors? Also explain the stack related operations.

What is watch dog timer? What are it’s uses in embedded system?

Describe the USB protocols and CAN protocols in detail.

Define Embedded System, Linux Embedded System and Real time Embedded System.

What do you mean by semaphore? What are the semaphore operations?

List different addressing modes of Arm processor you studied also give some suitable example.

What is the need of device drives and types of device drivers? What is the role of device manager?

What are the deadlocks and sockets? Explain in detail.