Jawaharlal Nehru Technological University Anantapur 2010-1st Sem B.Tech Code :R7411310 2 IV (R07) Regular s, ember/ember EMBEDDED & REAL TIME SYSTEMS - Question Paper

Code :R7411310 2
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) De¯ne the terms `Systems' and an `Embedded system'. provide the classi¯cation of embedded
systems.
(b) discuss with an example how to optimize custom single purpose processors.
2. (a) Draw the basic architecture of general purpose processor and discuss.
(b) Write notes on application speci¯c instruction- set processors.
3. (a) define the concurrent process model with relevant example.
(b) what are the implementation procedure of an embedded system using state machine and
concurrent process models.
4. (a) What is meant by communication interface ? discuss the need for communication inter-
faces.
(b) provide the speci¯cations of USB and discuss how to utilize it as a communication interface.
5. (a) discuss the uses of semaphore °ag or Mutex as resource key.
(b) Write notes on Task and Task states.
6. (a) define different message queue functions relevant to RTOS.
(b) Write notes on Mailboxes.
7. (a) discuss the situations. Which lead to priority inversion issues.
(b) Write notes on handheld operating systems.
8. discuss the subsequent related to embedded system design technology:
(a) Behavioral synthesis
(b) Hardware/ Software Co-Design.

Earning:   Approval pending.