64150-mt----real Time Operating System

NR

Code No: 64150/MT M.Tech. – I Semester Supplementary Examinations, September, 2008 REAL TIME OPERATING SYSTEMS (Image Processing) Time: 3hours

Max. Marks:60 Answer any FIVE questions All questions carry equal marks ---

1.a) b)

Explain exec system calls and differentiate between them. Explain pipes and FIFOs with examples.

2.a) b)

Distinguish between hard and soft real time systems. Explain periodic task mode.

3.

Write about clock driven and weighted Round Robin real time scheduling approaches.

4.

Explain capabilities of commercial RTOS.

5.a) b)

What are the causes of failure? Write about fault and error containment.

6.

Briefly explain software and Time redundancy.

7.

Explain VX works memory management task state transition diagram.

8.

How the scheduling will be done in RT Linux explain in detail. *****