Punjab Technical University 2009-6th Sem B.Tech Computer Science and Engineering , B Tech, CSE,ester, RTS, - - Question Paper

Roll No:...................
Total No. of ques. : 09
B tech sixth semester
REAL TIME SYSTEMS
SUBJECT CODE : CS - 324 (Elective - I)
Paper ID : [A0475]

Time : 03 Hours Maximum Marks : 60

Instruction to Candidates:

1) Section- A is Compulsory.
2) Attempt any 4 ques. from Section- B'
3) Attempt any 2 ques. from part - C'

part - A[2 marks each]

Ques 1)
a) describe the term hard real systems?
b) What is the role of deterministic scheduling?
c) What is the difference ranging from reliable software and software reliability?
d) What is the role of neural networks in real time systems?
e) List the advantages of multihop protocol?
f) elaborate main memory databases?
g) How a network topology is important for real time communication?
h) provide the applications of real time systems?
i) what is the concept of deadlines based protocols?
j) How microprocessor based real time scheduler is various from real
time schedulers.

section-B[5 marks each]

Ques 2) discuss the architecture of a real time system ? How can you classify the tasks
for the real time systems?

Ques 3) Differentiate ranging from general purpose database & Real Time database.

Ques 4) explain fault tolerant scheduling. elaborate its various advantages over other
scheduling algorithms?

Ques 5) discuss the concept of periodic and aperiodic tasks with the help of suitable
examples

Ques 6) Write the algorithm for hierarchal round robin protocol.

part - C[10 marks each]

Ques 7) Write & compare ranging from contention based protocol and token based protocol.

Ques 8) discuss Earliest Deadline 1st (EDF) algorithm in detail.

Ques 9) How the execution of concurrent transactions can be controlled in real time
systems? explain with the help of suitable examples.

Earning:   Approval pending.