Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) Define RTS and compare hard and soft real time systems.
6 M
1 (b) Explain the classification of RTS based on synchronization between external process and internal tasks of the computer.
6 M
1 (c) Explain the classification of programming.
8 M

2 (a) Compare batch processing and continuous processing with examples.
6 M
2 (b) With a neat diagram, explain supervisory control.
6 M
2 (c) Explain hierarchical system with an example.
8 M

3 (a) Explain the different forms of parallel computers with diagrams.
4 M
3 (b) Explain analog interface for input and output operations.
10 M
3 (c) Explain the various methods of D.M.A.
6 M

4 (a) Explain the following features of real-time programming languages:
i) Security
ii) Flexibility
iii) Portability
6 M
4 (b) Explain the following with respect to programming languages:
i) Scope and visibility of variables
ii) Exception handling
iii) derived data types
iv) Pointers
8 M
4 (c) Write a note on control structures used in programming language.
6 M

5 (a) Explain what do you mean by minimal operating system.
4 M
5 (b) Explain the structures of a real-time operating system.
8 M
5 (c) Explain the priority levels in real-time operating system.
8 M

6 (a) Explain the general structure of an input/output subsystem.
6 M
6 (b) Explain the following with respect to RTOS:
i) Semaphores
ii) Data transfer without synchronization.
8 M
6 (c) Write a note on liveness of a RTS.
6 M

7 (a) Explain the basic software modules with reference to RTS.
6 M
7 (b) Explain the multi tasking approach to implement software design of RTS,
6 M
7 (c) Explain mutual exclusion using condition flags.
8 M

8 (a) Summarize the various methodologies used for designing real time system.
6 M
8 (b) Explain the general arrangement of drying over along with the functional specifications.
8 M
8 (c) Explain the outline of abstract modelling approach of Ward and Mellor.
6 M



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