Programming Languages Module 5: Control Flows
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Questions and Answers

What paradigm in control flow typically involves loops?

  • Recursion
  • Iteration (correct)
  • Sequencing
  • Selection
  • In the context of control flows, what does the 'if' and 'case' statements represent?

  • Recursion
  • Sequencing
  • Selection (correct)
  • Procedural Abstraction
  • In the context of control flow operators, what does '&&' represent?

  • Logical OR (correct)
  • Multiplicative
  • Bitwise AND
  • Relational
  • What does the statement 'X=X+1' represent in the given code snippet?

    <p>Assignment operation</p> Signup and view all the answers

    Which programming language has 6 levels of precedence for control flow operations?

    <p>Ada</p> Signup and view all the answers

    What does the 'goto' statement do in the provided code snippet?

    <p>Transfers control to a Vote label</p> Signup and view all the answers

    What is the main concept associated with static typing?

    <p>Preventing operations on data that are not appropriate</p> Signup and view all the answers

    Which language is an example of being statically typed?

    <p>Ada</p> Signup and view all the answers

    What does static typing mean for variables?

    <p>Variables are assigned types that are checked at compile time</p> Signup and view all the answers

    Which language exhibits a mix of static and dynamic checking?

    <p>Java</p> Signup and view all the answers

    What happens when a String variable is assigned an integer value like '1'?

    <p>Compile-time error occurs</p> Signup and view all the answers

    What is a key aspect of defining data fields for storage?

    <p>Defining the data type and storage method</p> Signup and view all the answers

    In the context of types, what does 'strong typing' refer to?

    <p>Preventing type errors in the program</p> Signup and view all the answers

    Why is encoding by a type necessary when storing data?

    <p>To ensure data is stored in the correct format</p> Signup and view all the answers

    Which of the following is NOT associated with a type?

    <p>Functions</p> Signup and view all the answers

    What is the main purpose of type checking in programming?

    <p>To ensure meaningless operations do not occur</p> Signup and view all the answers

    What does creating equivalence classes for declaration elements help with?

    <p>Facilitating type checking in expressions</p> Signup and view all the answers

    What is the principal reason for using complex expressions when comparing integers?

    <p>To improve code optimization</p> Signup and view all the answers

    Which program transformation technique aims to make code consume less resources and deliver high speed?

    <p>Code Optimization</p> Signup and view all the answers

    What is a criticism often made about recursion compared to iteration?

    <p>Recursion is less efficient and slower than iteration</p> Signup and view all the answers

    What is a common problem associated with enumeration-controlled loops?

    <p>They are hard to understand</p> Signup and view all the answers

    Which type of loops allows for very efficient code generation by using designated variables for iteration?

    <p>Fortran-style loops</p> Signup and view all the answers

    What is the main purpose of code optimization?

    <p>To improve code efficiency and speed</p> Signup and view all the answers

    How can arrays be described in terms of their data types?

    <p>Homogeneous</p> Signup and view all the answers

    In which memory area are arrays allocated if their shape is known at compile time and they exist throughout the program's execution?

    <p>Static global memory</p> Signup and view all the answers

    What is a slice or section in relation to an array?

    <p>A rectangular portion</p> Signup and view all the answers

    What layout strategy do most programming languages use for arrays?

    <p>Row major</p> Signup and view all the answers

    What does the term 'ROW POINTERS' refer to in relation to arrays?

    <p>An option in C to allow rows to be stored at different memory locations</p> Signup and view all the answers

    What does it mean when it's mentioned that arrays have a 'local lifetime' and a 'shape bound at elaboration time'?

    <p>The array exists only within a specific function and its size is known at compile time</p> Signup and view all the answers

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