Acharya Nagarjuna University Previous Question Papers Of B.Tech

I am pursuing B.Tech 1st year (civil engineering) from Acharya Nagarjuna University and I have exam after one month . I have already prepared for it . But for my confidence I want to solve some previous year Question Papers Of B.Tech . Would you please provide me a book which publish Question Papers Of B.Tech ??

Hii sir, I Wants to get the Question Paper of the B.tech Information Technology Compiler Design Subject of the Acharya Nagarjuna University ?

[pawan]

As you Asking for the Question Paper of the B.tech Information Technology Compiler Design Subject of the Acharya Nagarjuna University the Question Paper is given below

Compiler Design

Time : Three' hours Maxunumf, 70 marks

Answer Question No, 1 compulsorily*


(1 14 s 14) Answer ONE question from each Unit.

(4 14 = 56) All questions tarry equal marks,

1. .(a) What is LEX? '

(b) Define parse tree.

(c) What is left recursion? Give example.

(d) What are the entries in symbol table?

e) Define phase,

(0 Define SLR parsing table.

r*

.(g) What is the purpose of YACC tool Oi) Write the post fix rotation of (tf + 6) * c,

i)' Define ayntfut tree,

(j) What is meant by syntactic error?

(k) Explain call-by-name.

(1J Construct DAG for the expression u + fi -t* (b-c) + ibc) * d. ffh) What is meant by activation record?' i*i) Whiit is reduction in strength?

. UNIT I

2, taj Draw a block diagram of' phases of a compiler and indicate the main functions of1 e&ch phase.

(b) Write the chief differences between compiler and interpreter.

Or

(e) Explain he.xical analysis briefly,

d) What are t.he- differsnl: ''translation rules of a LEX program'?

UNIT II

3, U() Construct predictive parse table for the following grammar:

E - E+TtT

(b) Construct LALR(1) parse table from the following grammar;

S > Aaih Adddbda d>

UK IT III

4, (a) Write top-down translation scheme to produce qu&di'uples for Boolean expressions.

(b) Translate u # - (-h0 in to post fis form.

Or

(cj Discuss the symbol table organization for block structured language like Pascal or 'C*.

UNIT TV

(a) Discuss and analyze about all the allocation in sum-time storiige environment, (10)

(b) Why is next use information collected by a code generator? (4)

Or

(c) Describe various error recovery strategies followed by parser of a compiler-

(d) Write short notes on peephole optimization Technique.

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