SYSTEM SOFTWARE-OCTOBER-2011

FIFTH  SEMESTER DIPLOMA EXAMINATION IN ENGINEERING/TECHNOLOGY-OCTOBER, 2011

SYSTEM SOFTWARE

PART-A

(Maximum marks:15)

v  Answer the following questions in one or two sentences:

1.What is the use of Symbol Table?

2.Define Macro call.

3.Explain Compile and go loaders.

4.Explain pass by value and pass by reference.

5.What are the different language evaluation criteria?

6.Explain code generation.

7.Explain lexical analysis.

8.Explain dynamic loader.

9.What is an identifier table?

10.What are the different passes of a compiler?

PART-B

(Maximum marks:60)

(Answer one full question from each unit)

Unit-1

v  Explain the creation and importance of various tables in a pass two assembler by using suitable example.(12)

OR

v  (a)State the various functions of an Assembler.(4)

(b)Explain the Pass-1 process with a neat flow chart.(8)

Unit-2

v  Explain the four functions of a loader through general loading scheme.(12)

         

OR

v  Explain the design of direct linking loaders.(12)

UNIT-3

v  Explain in detail the evolution of different programming languages.(12)

OR

v  Explain sequence control in detail.(12)

UNIT-4

v  Explain the general model of a Compiler in detail.(12)

OR

v  Explain the structure of a Compiler in detail.(12)

UNIT-5

v  Explain identifier table,literal table,object code in the assembly phase of compiler.(12)

OR

v  Explain lexical analyzer,syntax analyzer and semantic analyzer in detail.(12)

        

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