Jawaharlal Nehru Technological University Anantapur 2010-1st Sem B.Tech Code :R7411310 3 IV (R07) Regular s, ember/ember EMBEDDED

Code :R7411310 3
IV B.Tech I semester (R07) Regular Examinations, November/December 2010
EMBEDDED & REAL TIME SYSTEMS
(Electronics & Control Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
1. (a) define the design challenges in an embedded system design.
(b) Write notes on RT-level custom single purpose processor design.
2. (a) With the aid of architecture, discuss the application Speci¯c instruction-Set processors.
(b) Write notes on digital processors.
3. (a) define program state machine model with relevant example.
(b) explain about synchronization among processes.
4. (a) discuss the need for communication interfaces used in embedded systems. Consider UART
as an example.
(b) Illustrate with suitable example how to utilize Ethernet as a communication interface.
5. (a) elaborate the states of a task ? discuss the entity controlling the transitions from one
state to a different in a task?
(b) discuss the operating system units at an RTOS kernel.
6. (a) discuss how Message Queues are used for communication among processes.
(b) provide di®erent mailbox types, discuss their initialization and other functions for a mail box
at an RTOS.
7. (a) discuss in brief, the di®erent Timer functions.
(b) Write notes on Embedded Linux.
8. discuss the subsequent related to embedded system design technology:
(a) RT synthesis
(b) Hardware/ Software co-veri¯cation

Earning:   Approval pending.