Course Name : Principles of Programming language
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a. program units b. steps
c. functions d. algorithms 9. For the instruction a = b/2 - 1 { a < 10 } is called as a. Pre condition b. Post condition c. Weakest condition d. strong condition 10. For the instruction x = 2 * y - 3, {y < 0 } is called as a. Pre condition b. Post condition c. Weakest condition d. strong condition Unit-3 1. _ _ _ _ _ _ _ data type stores the data in BDC notation a. float b. double c. int d. decimal 2. _ _ _ _ _ _ _ _ is one in which the range of possible values can be easily associated with the set of positive integers a. variable b. data
d. constant 3. _ _ _ _ _ _ data type model real numbers, but only as approximations
b. char c. int d. string 4. _ _ _ _ _ _ _ data type specifically available in a Language for business applications. a. float b. double c. int d. decimal 5. The variables receive values at _ _ _ _ _ _ _ _ _ _ _ _ _ _ a. compile time
c. language design time d. load time 6. The attributes of variables are determined at _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
b. run time c. language design time d. load time 7. A _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ is a set of objects & a set of operations on those objects, which create, build-up, destroy, modify & pick apart instance of the objects a. Data type b. Data valued c. State space d. Environment 8. _ _ _ _ _ _ _ is not primitive data type, a. float b. char c. int d. string 9. _ _ _ _ _ _ _ _ _ data type store true or false notation a. float
c. int
d. char 10. _ _ _ _ _ _ _ type stores values as sequences of characters a. float b. boolean c. int d. string types Unit- 4 1.Multiple selector statement in C is _ _ _ _ _ a. break
c. go to
d. continue 2. _ _ _ _ _ _ _ is a two way selector a. if
c. for
d. while 3. In C Switch-Case statement the default expression type can be _ _ _ _ _ _ _ _ _ a. int b. float
c. double d. char 4. The following is a Exit controlled loop a. While
c. for
d. go to 5. In Pascal, after normal termination, loop variable is _ _ _ _ _ _ _ _ _ _ a. Undefined b. assigned last value c. zero d. one 6. _ _ _ _ _ _ _ _ _ _ language supports labeled iteration a. C b. C++
c. Java d. Pascal 7. In FORTRAN 90, Loop parameters are evaluated _ _ _ _ _ _
b. twice c. thrice d. every time 8. In Ada 60, Loop parameters are evaluated _ _ _ _ _ _ a. only once b. Twice c. Thrice d. Everytime 9. The repeated execution of a statement or compound statement is accomplished by _ _ _ _ _ a. Iteration b. Selection c. Condition d. Blocking 10. In Pascal, Loop parameters are evaluated _ _ _ _ _ _
b. Twice c. Thrice d. Every time
1. How can knowledge of programming language characteristics benefits the whole computing Community? [15] 2.a) The two mathematical models of language description are generation and recognition. Describe how each can define the syntax of a programming language? b) Develop an unambiguous grammar that describes the if statement. [8+7] 3.a) Explain all of the difference between subtypes and derived types. b) Define union, free union and discriminated union? [8+7] 4.a) How does operand evaluation order interact with functional side effect ? b) How does operand evaluation order interact with function side effects? [8+7] 5.a) Define Shallow and Deep binding for referencing environment of subprograms that Have been passed as parameters. b) Write about Co routines. [8+7] 6.a) In what different places can the definition of a C++ member function appears? b) What is a C++ namespace and what is its purpose? [8+7] 7. Explain the following with examples a) Exception Handler b) Disabling an exception c) Continuation d) Built-in Exception. [15] 8.a) What are the difference between CONS, LIST and APPENED? b) Write a LISP function Fib(n) that computes nth Fibonacci number. [7+8] ******** II B.TECH - II SEMESTER EXAMINATIONS, APRIL/MAY, 2011 PRINCIPLES OF PROGRAMMING LANGUAGES (INFORMATION TECHNOLOGY) Time: 3hours Max. Marks: 75 Answer any FIVE questions All Questions Carry Equal Marks - - - 1. What are some features of specific programming languages you know whose rationales are a mystery to you? [15] 2. Write a BNF description of the Boolean expressions of Java, including the three operators &&, || and ! and the relational expressions? [15]
b) What array initialization feature is available in Ada that is not available in other common imperative languages? [7+8] 4. Write text program in c++, java and c# to determine the scope of a variable declared in a for statement. Specifically the code must determine whether such variable is visible after the body of the for statement. [15] 5.a) What are the different models of parameter passing methods? How are they implemented? Give example for each. b) What causes a C++ template function to be instantiated? [8+7] 6. Write an analysis of the similarities of and differences between java packages and C++ namespaces? [15] 7. What run-time errors or conditions, if any, an Pascal programs detect and handle? [15] 8. What scoping rule is used in a) COMMON LISP b) ML
c) Haskell. [15] * * * * * * II B.TECH - II SEMESTER EXAMINATIONS, APRIL/MAY, 2011 PRINCIPLES OF PROGRAMMING LANGUAGES (INFORMATION TECHNOLOGY) Time: 3hours Max. Marks: 75 Answer any FIVE questions All Questions Carry Equal Marks - - - 1. Many languages distinguish between UPPER CASE and LOWER CASE letters in user-defined names. What are the pros and cons of this design decision? [15] 2.a) Describe the basic concept of denotational semantics? b) What is the difference between synthesized and inherited attributes? [7+8] 3. What are all of the differences between the enumeration types of C++ and those of java? How does a decimal value waste memory space? [15] 4. Determine whether the narrowing explicit type conversions in two languages you know provide errors messages when a converted value loses its usefulness? [15] 5. What are the modes, the conceptual models of transfer, the advantages and disadvantages of pass – by – value, pass – by – result, pass – by – value - result and pass – by - reference parameter- passing methods? [15] 6.a) What are the language design issues for abstract data types? b) What are the disadvantages of designing an abstract data type to be a pointer? [7+8] 7. Write detailed compassion of the Exception Handling capabilities of C++ and those of JAVA? [15] 8. Define functional form and referential transparency? What data types were parts of the original LISP? [15] ******** II B.TECH - II SEMESTER EXAMINATIONS, APRIL/MAY, 2011 PRINCIPLES OF PROGRAMMING LANGUAGES (INFORMATION TECHNOLOGY) Time: 3hours Max. Marks: 75 Answer any FIVE questions All Questions Carry Equal Marks - - - 1. Which produces faster Program execution, a Compiler (or) pure interpreter? What role does the symbol table play in a compiler? [15] 2.a) Describe the approach of using axiomatic semantics to convert the correctness of a given program? b) Convert the following EBNF to BNF S->A{bA} A-> a[b]A [7+8] 3. What is the purpose of the ACTION, GOTO table of an LR parser? Explain With Example? [15] 4. Write text program in c++, java and c# to determine the scope of a variable declared in a for statement. Specifically the code must determine whether such variable is visible after the body of the for statement. [15] 5. Define static, fixed stack-dynamic, fixed heap-dynamic and heap-dynamic array. What are the advantages of each? [15]
b) Explain the difference between physical and logical concurrency? [8+7] 7. What is root class of all java exception classes? What is pattern class of most java user defined exception classes? [15] 8.a) Write a detail note on functions in ML. b) Give comparison of Functional and Imperative Languages. [7+8]
1. How can knowledge of programming language characteristics benefits the whole computing Community? [15] 2.a) The two mathematical models of language description are generation and recognition. Describe how each can define the syntax of a programming language? b) Develop an unambiguous grammar that describes the if statement. [8+7] 3.a) Explain all of the difference between subtypes and derived types. b) Define union, free union and discriminated union? [8+7] 4.a) How does operand evaluation order interact with functional side effect ? b) How does operand evaluation order interact with function side effects? [8+7] 5.a) Define Shallow and Deep binding for referencing environment of subprograms that Have been passed as parameters. b) Write about Co routines. [8+7] 6.a) In what different places can the definition of a C++ member function appears? b) What is a C++ namespace and what is its purpose? [8+7] 7. Explain the following with examples a) Exception Handler b) Disabling an exception c) Continuation d) Built-in Exception. [15] 8.a) What are the difference between CONS, LIST and APPENED? b) Write a LISP function Fib(n) that computes nth Fibonacci number. [7+8] ******** II B.TECH - II SEMESTER EXAMINATIONS, APRIL/MAY, 2011 PRINCIPLES OF PROGRAMMING LANGUAGES (INFORMATION TECHNOLOGY) Time: 3hours Max. Marks: 75 Answer any FIVE questions All Questions Carry Equal Marks - - - 1. What are some features of specific programming languages you know whose rationales are a mystery to you? [15] 2. Write a BNF description of the Boolean expressions of Java, including the three operators &&, || and ! and the relational expressions? [15]
b) What array initialization feature is available in Ada that is not available in other common imperative languages? [7+8] 4. Write text program in c++, java and c# to determine the scope of a variable declared in a for statement. Specifically the code must determine whether such variable is visible after the body of the for statement. [15] 5.a) What are the different models of parameter passing methods? How are they implemented? Give example for each. b) What causes a C++ template function to be instantiated? [8+7] 6. Write an analysis of the similarities of and differences between java packages and C++ namespaces? [15] 7. What run-time errors or conditions, if any, an Pascal programs detect and handle? [15] 8. What scoping rule is used in a) COMMON LISP b) ML
c) Haskell. [15] * * * * * * II B.TECH - II SEMESTER EXAMINATIONS, APRIL/MAY, 2011 PRINCIPLES OF PROGRAMMING LANGUAGES (INFORMATION TECHNOLOGY) Time: 3hours Max. Marks: 75 Answer any FIVE questions All Questions Carry Equal Marks - - - 1. Many languages distinguish between UPPER CASE and LOWER CASE letters in user-defined names. What are the pros and cons of this design decision? [15] 2.a) Describe the basic concept of denotational semantics? b) What is the difference between synthesized and inherited attributes? [7+8] 3. What are all of the differences between the enumeration types of C++ and those of java? How does a decimal value waste memory space? [15] 4. Determine whether the narrowing explicit type conversions in two languages you know provide errors messages when a converted value loses its usefulness? [15] 5. What are the modes, the conceptual models of transfer, the advantages and disadvantages of pass – by – value, pass – by – result, pass – by – value - result and pass – by - reference parameter- passing methods? [15] 6.a) What are the language design issues for abstract data types? b) What are the disadvantages of designing an abstract data type to be a pointer? [7+8] 7. Write detailed compassion of the Exception Handling capabilities of C++ and those of JAVA? [15] 8. Define functional form and referential transparency? What data types were parts of the original LISP? [15] ******** II B.TECH - II SEMESTER EXAMINATIONS, APRIL/MAY, 2011 PRINCIPLES OF PROGRAMMING LANGUAGES (INFORMATION TECHNOLOGY) Time: 3hours Max. Marks: 75 Answer any FIVE questions All Questions Carry Equal Marks - - - 1. Which produces faster Program execution, a Compiler (or) pure interpreter? What role does the symbol table play in a compiler? [15] 2.a) Describe the approach of using axiomatic semantics to convert the correctness of a given program? b) Convert the following EBNF to BNF S->A{bA} A-> a[b]A [7+8] 3. What is the purpose of the ACTION, GOTO table of an LR parser? Explain With Example? [15] 4. Write text program in c++, java and c# to determine the scope of a variable declared in a for statement. Specifically the code must determine whether such variable is visible after the body of the for statement. [15] 5. Define static, fixed stack-dynamic, fixed heap-dynamic and heap-dynamic array. What are the advantages of each? [15]
b) Explain the difference between physical and logical concurrency? [8+7] 7. What is root class of all java exception classes? What is pattern class of most java user defined exception classes? [15] 8.a) Write a detail note on functions in ML. b) Give comparison of Functional and Imperative Languages. [7+8]
1.a) What are the advantages and disadvantages of Aliasing. b) “Readability and writability influence the reliability.” Comment on it. [15] 2.a) Explain the general problem of describing syntax. b) Consider the grammar E ��E+E E ��E*E E ��i Using the expression 5+6*7, prove that the grammar is ambiguous. [15] 3.a) Discuss the design issues for pointer types. b) Define the terms: coercion, type error, strong typing. [15] 4.a) Explain about mixed mode assignment. b) “Every counting loop can be built with a logical loop, but the reverse is not true.” Substantiate this statement. [15] 5. What is meant by generic sub program? Explain the support provided by programming languages for generic subprograms. [15] 6.a) What advantages do monitors have over semaphores? Explain. b) Explain why naming encapsulations are important for developing large programs. [15]
7. Explain list processing in LISP using scheme functions. Use lucid examples in your explanation. [15] 8. What is exception? Discuss in detail the concept of exception propagation. [15] ********
1. Discuss language evaluation criteria and the characteristics that affect them. [15] 2.a) In what way do operational semantics and denotational semantics differ? Explain. b) Describe the additional features of Extended BNF. [15] 3.a) Discuss the advantages and disadvantages of dynamic scoping. b) What is a heterogeneous array? Discuss the design issues for arrays. [15] 4. Explain in detail the design issues for arithmetic expressions. [15] 5.a) Describe the three semantic models of parameter passing. b) What is a parameter profile? Write about subprogram protocol. [15] 6.a) Compare the class entity access controls of C++ and Java. b) Define race condition c) What is the purpose of a task-ready queue? [15] 7.a) Explain the procedural abstraction in Python. b) Discuss the fundamental of functional programming language. [15] 8. Give an overview of logic programming and discuss its applications. [15] ******** B.Tech II Year - II Semester Examinations, December-January, 2011-2012 PRINCIPLES OF PROGRAMMING LANGUAGES (INFORMATION TECHNOLOGY) Time: 3 hours Max. Marks: 75 Answer any five questions All questions carry equal marks - - - 1. Explain various programming domains. What are your arguments for and against having a single language for all programming domains? [15] 2.a) Discuss the basic concept of Denotational semantics. b) Show a parse tree and leftmost derivation for the statement: A=(A+B)*C Given grammar is: 3.a) Compare and contrast Static binding with Dynamic binding. b) Explain various user-defined ordinal types with examples. [15] 4.a) Discuss the problem of operand evaluation order and side effects along with possible solutions. b) Describe user-located loop control mechanisms. [15] 5.a) Explain the general characteristics of subprograms. b) What is a co-routine? How do they provide interleaved execution? [15] 6.a) What are the language design requirements for a languages that supports ADTs? b) How is cooperation synchronization provided for Ada tasks? Explain. [15] 7. Discuss how scheme functions are used to solve the problems in simple list-processing with examples. [15] 8. Explain the basic elements of Prolog with illustrations. [15] ********* B.Tech II Year - II Semester Examinations, December-January, 2011-2012 PRINCIPLES OF PROGRAMMING LANGUAGES (INFORMATION TECHNOLOGY) Time: 3 hours Max. Marks: 75 Answer any five questions All questions carry equal marks - - - 1.a) List the potential benefits of studying concepts of programming language. b) What are the important factors that influence the basic design of programming language? [15] 2. Describe briefly formal language generation mechanisms used to describe the syntax of programming languages. [15] 4.a) Define name type compatibility and structure type compatibility. What are the relative merits of these two? b) Explain in detail implementation of pointer and reference types. [15] 4.a) Describe coercion in expressions. b) Explain in detail Dijkstra’s guarded commands with examples. [15] 5. Explain variety of models that guide the implementation of the three basic parameter transmission modes. [15] 6.a) What dangers are avoided in Java by having implicit garbage collection, relative to C++? b) Discuss the primary reason for all Java objects have a common ancestor. c) What is a binary semaphore? Compare it with counting semaphore. [15] 7.a) Explain type inferencing in ML. b) Discuss the key concepts of scripting language. [15] 8. Discuss various types of exceptions. Explain exception handler in Ada with suitable examples. [15]
1. A programming language can be compiled or interpreted. Give relative advantages and disadvantages of compilation and interpretation. Give examples of compiled and interpreted languages. [16] 2. How do you describe the meaning of program using operational semantics? Explain with suitable examples and compare it with denotational semantics. [16] 3.a) Describe narrowing and widening conversion. b) Explain the concept of late binding and early binding. [8+8] 4. Discuss different types of assignment statements. With lucid examples explain mixed mode assignment. [16] 5.a) Discuss the design issues of sub programs. b) Write about overloaded subprograms. c) What are coroutines? [16] 6.a) Discuss the Object oriented programming features supported in small talk. b) What is meant by subprogram level concurrency? Explain. [8+8] 7. What is an exception? Explain exception propagation and handling in C++. [16] 8.a) Write about functions in ML and Haskell. b) Discuss the data types supported in Python. [8+8] Directory: wp-content -> uploads uploads -> 587 Return function, r i(X) r i(0) r i(1) r i(2) r i(3) 1 0 2 4 6 Thermal Station, I 2 0 1 5 6 3 0 3 5 6 10 uploads -> The Case Against the nypd’s Quota-Driven ‘Broken Windows’ Policing What Is It? uploads -> For want of a nail uploads -> Police Militarization uploads -> Stop Militarizing Law Enforcement Act of 2014 uploads -> 2017 afoCo Landmark Scholarship Program uploads -> Instructions for the Preparation of Camera-Ready Contributions to the Conference Proceedings uploads -> Medical Radiography Program uploads -> Ihbb asian Championships 2014 middle school bowl Round 4 First Quarter uploads -> Ihbb european Championships 2014 Bowl Round 4 First Quarter Download 0.67 Mb. Share with your friends:
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