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USN

lJan.28l6

Seventh Semester B.E. Degree Exami

Time Systd Real Time Real Systems Max. Marks: i00

Tirne: 3 hrs.

m

Note: Answer any FIVE full questions, selecting atleast TWO questions from each purt" PAR.T _ A

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(86 Marks) Define RTS and compare hard and soft real time systems. process and Explain the ctrassification of RTS based on synclronization between external (06 Marks) internal tasks of the computer. (08 Ftarks) Explain the classification of programming.

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g.

a. b.

(.,

a)

(06 Nlarks) (06 Marks)

Explain the different forms of parallei computers with diagrams. Expiain analog interface for input and output operations. Explain the various methods of D.M.A.

(04 Marks)

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3 a. tr. c"

o! -0

4 a.

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

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6a.

b.

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o.

7a.

a note on liveness

(06 Marks)

{SB

Marks}

(06 Marks)

PART _ B

Explain the general structure of an input/output subsystem" Expiain the following with respect to R.TOS :

i) Sernaphores ii) Data transfer without

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;

:

Explain what do you mean by rninimal operating system. Explain the stmctr.re of a real - time operating system. Explain the priority levels in real - time operating systern"

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5

a. b.

{06 Martr
.p

,i

(0S Marks)

(X0 Marks)

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h

ia

(d=

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ed

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lo

Conrpare batch processing and continuous processing with examples. With a neat diagram, explain supervisory control. Explaiii hierarchical system with an exarnple.

O

synchronization. of a RTS.

(04 Marks) (0& Marhs) (S8 Marks)

(06 Marks)

(08 h{arks) {06 Marks}

C.

Explain the basic software modules with reference to RTS. Exptrain the muiti tasking approach to impiernent software design of R:TS. Explain rnutual exclusion using condition flags.

a. b.

Sumrnarize the various methodologies used for designing real tirne systerns. {06 Marks} Expiain the general arrangement of drying over along with the functional specifications"

c.

Explain the q,utline of abstract modeling approach of Ward and Mellor.

b.

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(06 Marks) (S6 Marks)

(08 Marks)

(08 Marks) (06lV1arks)

Real Time Systems Jan 2016 (2010 Scheme).pdf

PAR.T _ A. a. Define RTS and compare hard and soft real time systems. ... Explain the stmctr.re of a real - time operating system. c. ... *{<*{Real Time Systems.

794KB Sizes 2 Downloads 110 Views

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