Jawaharlal Nehru Technological University Hyderabad 2010-1st Sem M.Tech Electronics and Communication Engineering Regular s ch/il EMBEDDED REAL TIME OPERATING SYSTEMS (COMMON TO DIGITAL ELECT

Code No: D109113810
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
M.Tech I Semester Regular exams March/April 2010
EMBEDDED REAL TIME OPERATING SYSTEMS
(COMMON TO DIGITAL ELECTRONICS & COMMUNICATION SYSTEMS,
ELECTRONICS & COMMUNICATION ENGINEERING)
Time: 3hours Max.Marks:60
ans any 5 ques.
All ques. carry equal marks
- - -
1) Write a short notes on
a) open
b) create
c) ISeeek
d) learn
2) Write a program that calls uname and prints all fields in the structure. Compare
the output to the output of the uname command.
3) a) discuss software real time systems.
b) discuss resource parameters of jobs and parameters of resources.
4) a) What is a mail box? How does a mailbox pass a message during an IPC?
b) elaborate the parameters at a TCB of a task?
5) a)What are the uses of OS interoperability and portability?
b) discuss ECB.
6) a) How do you set the system clock using function void OSTime(unsigned int
counts) ?
b) Classify and list the source files, which depend on the processor and those that
are the processor-independent?
7) discuss how the task for studying ports synchronizes with the port device driver.
8) a) How do you solve the issue of interface specific data types?
b) discuss meaning of conceptual design.

Earning:   Approval pending.