Sunday, 27 April 2014

B.Tech Scheme Seventh Semester Principles of Programming Languages Previous Questions

B.Tech Scheme Seventh Semester Principles of Programming Languages Previous Questions

PRINCIPLES OF PROGRAMMING LANGUAGES Important Questions For External Exams

> Briefly explain the different stages in the translation of a high level language(12)
> Explain important translation issues of a high level programming language.
> Explain the activities performed during lexical and syntactic analysis in the translation of a program from source code to machine code.
> What do you mean by
* Orthogonality of a language
* Cost factor of a language
* Operating environment of a language

* Semantic clarity of a language
> What are the purpose of declaration statement?Explain
> Describe the important features of
* Record datatype
* Variant datatype
* Pointer datatype
> Discuss briefly about the four paradigms under which today’s programming languages are classified(12)
> What are the different factors involved in evaluating the cost of a programming language?
> Explain the four computational models that describe the different programming languages available today
> What language features help the programmers in testing and debugging applications?
> Explain the criteria used by programmers for choosing programming languages for various applications.
> What are the basic syntactic criteria for a programming language?
> Explain the general syntactic errors for programming languages.
> What is the use of parse tree in language translation?
> What is the purpose of type checking? When is the type conversion requires? What is coercion? What are the different type checking? Explain with examples.
> What is the use of language standardization?
> Explain what is meant by binding and binding time?
> What are the purpose of declaration of operations?
> What are the different ways by which operations defined for data objects of a given type are implemented?
> What are the properties of types and objects?(12)
> What si persistence?
> Describe the various aspects of specification and implementation of elementary data types.
> What are the general attributes of structured data types?


> What do you mean by co-routines? Explain its implementation
> Explain briefly important aspects of exception handlers
> Explain the implementation of non-local referencing environment based on dynamic scope rules
> Explain the following sequence forms between statements
* Alteration
* Iteration
Give example of both
> What do you mean by structured programming? How is structured sequence control effected in programming languages?
> What are the problems associated with structured sequence control? Explain the various control sequences provided in programming languages for structured sequence control?
> Describe the different aspects of sequence control with expressions
> How are recursive subprograms implemented?
> Explain how sub programs can be considered as abstract oerations?
> Explain name equivalence and structural equivalence.
> Explain the local data and local referencing environments in block structured programs
> Discuss the implementation scheme for simple call-return sub programs
> What is an abstract data type? Give examples
> How can encapsulation be achieved by means of subprograms?
> What is meant by static and dynamic scope? Explain with suitable examples.
> What is data abstraction, information hiding and encapsulation with example(20)
> What are the various storage management techniques?
> Explain block structure based data sharing.

> Describe the following for the language C++
* Data types
* Abstraction
* Structured control statement
* Memory layout of C++ virtual computer
> Briefly explain the special features of LISP
> Compare FORTRAN and PASCAL as two high level languages. Explain why the recursive subprogram is possible in PASCAL while it is not supported by FORTRAN.(14)
> Explain local referencing environment and common environment in FORTRAN.
> Explain sequence control statements of C.
> Briefly compare Ada with C++
> What are primitive and structured data types available in Ada language?
> Discuss the strorage management schemes available in Ada.
> Discuss the sequence control mechanisms available in Ada language
> How inheritance is implemented in Ada?
> Discuss the use of pragma statement in Ada language.
> How exception is handled in Ada?
> What are the functions available for memory operations in C++
> What are the sequence control mechanisms available in Prolog?
> How input/output is handled in PROLOG language?
> Explain the features of PROLOG.
> What is meant by overloading of operators? Discuss how this is achieved in C++ with suitable examples.
> What are the data types available in Pascal language?
> What are the static scope rules associated with a block structured program?
> Discuss the concept of functional programming with respect to LISP language.
> Explain the features of LISP as functional programming language.
> Compare FORTRAN and PASCAL based on (20)
* Data structure support
* Sequence control between statements
* Subprogram facility
* Storage management
* Block structure.
> Explain the important features of any two languages given below(20)
* C++


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