Types of Values and Type Systems in Programming
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Questions and Answers

Which of the following PLs supports booleans, characters, enumerands, integers, real numbers, records, arrays, discriminated records, and objects (tagged records)?

  • Haskell
  • Ada (correct)
  • Java
  • C

In programming languages, what is an expression of type T if E is guaranteed to yield a value of type T?

  • A set of values
  • A type completeness
  • A type operation
  • Type system (correct)

Which programming language supports booleans, integers, real numbers, arrays, and objects?

  • Java (correct)
  • Haskell
  • Ada
  • C

Roughly speaking, what is a type in programming languages?

<p>A set of values (C)</p> Signup and view all the answers

What is a type in programming languages?

<p>A set of values equipped with one or more operations (C)</p> Signup and view all the answers

What does the cardinality of a type represent?

<p>The number of values of the type (A)</p> Signup and view all the answers

In programming languages, what is a built-in primitive type?

<p>A type with predefined values and operations (D)</p> Signup and view all the answers

Which statement is true about defining primitive types in Ada and C?

<p>New numeric and enumeration types can be defined in Ada and C (C)</p> Signup and view all the answers

What are composite types in programming languages?

<p>Types whose values are composed from simpler values (D)</p> Signup and view all the answers

Which of the following programming languages supports booleans, characters, integers, real numbers, tuples, disjoint unions, lists, and recursive types?

<p>Haskell (D)</p> Signup and view all the answers

In programming languages, which operation operates uniformly over the values false and true?

<p>and (A)</p> Signup and view all the answers

What is the cardinality of a type in programming languages?

<p>The set of values that the type can represent (C)</p> Signup and view all the answers

Which of the following is considered a primitive type in programming languages?

<p>Characters (D)</p> Signup and view all the answers

What is an expression of type T if E is guaranteed to yield a value of type T?

<p>A boolean operation (D)</p> Signup and view all the answers

What is the cardinality of the type 'Population' in Ada, as declared in this text "type Population is range 0 .. 1e10;"?

<p>10000000001 (B)</p> Signup and view all the answers

How are values grouped in a Cartesian product?

<p>Using multiplication (C)</p> Signup and view all the answers

What represents the set of all pairs (x, y) such that x is chosen from set S and y is chosen from set T?

<p>{ (x, y) | x  S; y  T } (D)</p> Signup and view all the answers

What types of operations can be applied uniformly to all the values of a type?

<p>One or more operations (D)</p> Signup and view all the answers

What programming languages allow the definition of new primitive types?

<p>Only Ada and C allow this (A)</p> Signup and view all the answers

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