Types in Programming Languages
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Questions and Answers

What is the primary purpose of a type system in a typed programming language?

  • To store values in a specific range
  • To allocate memory for variables
  • To perform arithmetic calculations
  • To interpret the bit streams in memory (correct)

What is the main difference between a char and an int in the C language?

  • The range of values they allow
  • The number of bytes they occupy (correct)
  • The operations they can perform
  • The type of values they can store

What determines the range of possible values for a type?

  • The type of values it can store
  • The operations it can perform
  • The variable it is assigned to
  • The number of bytes it occupies (correct)

What is the role of a type in allocating memory for variables?

<p>To identify the contents of the variable (B)</p> Signup and view all the answers

How many bits does a float occupy in IEEE 754?

<p>32 (D)</p> Signup and view all the answers

What is the main benefit of using different types to store different information?

<p>It allows for more efficient use of memory (B)</p> Signup and view all the answers

What determines the range of values that a type can store?

<p>Number of bytes allocated for a type (D)</p> Signup and view all the answers

What is the relation between types and raw memory as illustrated in the figure?

<p>Types define how to store values in raw memory (D)</p> Signup and view all the answers

How do we conclude a declaration in C?

<p>With a semi-colon (C)</p> Signup and view all the answers

Why do we avoid using certain words in variable names?

<p>Because they are reserved by the C language (D)</p> Signup and view all the answers

How do we declare multiple variables of the same type in a single declaration?

<p>By separating them with commas (A)</p> Signup and view all the answers

What is the advantage of using a meaningful name for a variable?

<p>It makes the code more readable (C)</p> Signup and view all the answers

How many bytes does a double typically occupy?

<p>8 (C)</p> Signup and view all the answers

What is the minimum number of bits in a short int?

<p>16 (C)</p> Signup and view all the answers

What is the purpose of the const qualifier?

<p>To qualify a type as holding a constant value (B)</p> Signup and view all the answers

How does C store characters and symbols?

<p>As integral values (D)</p> Signup and view all the answers

What is the purpose of the collating sequence?

<p>To associate each character and symbol with a unique integer value (A)</p> Signup and view all the answers

What is the advantage of the 2's complement rule?

<p>It represents negative values more efficiently (D)</p> Signup and view all the answers

What is the purpose of the IEEE Standard 754?

<p>To standardize binary and floating-point arithmetic (A)</p> Signup and view all the answers

What is the minimum number of bits in a long long int?

<p>64 (C)</p> Signup and view all the answers

What is the purpose of size specifiers?

<p>To adjust the size of the int and double types (D)</p> Signup and view all the answers

What is the purpose of the Unicode standard?

<p>To provide a comprehensive collating system (D)</p> Signup and view all the answers

What is the primary function of a type in a typed programming language?

<p>To define the range of possible values for storing data (D)</p> Signup and view all the answers

Which of the following types occupies one word and can store an integer value?

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

What is the primary purpose of different types in a typed programming language?

<p>To store different information (C)</p> Signup and view all the answers

How many bytes does a char occupy in memory?

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

What is the relation between types and raw memory?

<p>Types are the rule that defines how to store values in memory (B)</p> Signup and view all the answers

What determines the range of possible values for a type?

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

What is the primary difference between a char and an int in the C language?

<p>The number of bytes occupied (D)</p> Signup and view all the answers

What is the purpose of a type system in a typed programming language?

<p>To interpret the bit streams in memory (B)</p> Signup and view all the answers

How does a type define the storage of values in memory?

<p>By defining how to store values in memory (A)</p> Signup and view all the answers

What is the primary purpose of the types in the C language?

<p>To store different information (A)</p> Signup and view all the answers

What is the primary limitation of the float and double types in IEEE 754?

<p>They cannot store all possible floating-point values exactly (A)</p> Signup and view all the answers

What is the purpose of specifying a type in a variable declaration in C?

<p>To identify the properties of the variable (D)</p> Signup and view all the answers

What is the significance of the execution environment in determining the range of values for floating-point types?

<p>It determines the range of values the type can store (C)</p> Signup and view all the answers

Why do we avoid using certain words in variable names in C?

<p>To follow C++ compatibility (B)</p> Signup and view all the answers

What is the effect of limiting the number of bits in the significand of floating-point types?

<p>It makes the stored values approximate (B)</p> Signup and view all the answers

What is the purpose of a declaration in C?

<p>To associate a type with a variable (C)</p> Signup and view all the answers

How do we group multiple identifiers of variables that share the same type in a single declaration?

<p>By separating them with commas (D)</p> Signup and view all the answers

What is the significance of the number of bytes allocated for a type in determining its range of values?

<p>It determines the range of values the type can store (C)</p> Signup and view all the answers

What is the result of using a limited number of bits in the exponent of floating-point types?

<p>Limited range of values that can be stored (B)</p> Signup and view all the answers

What is the purpose of specifying a meaningful name for a variable in C?

<p>To improve code readability (D)</p> Signup and view all the answers

What is the minimum number of bits required to store a long int?

<p>32 (C)</p> Signup and view all the answers

What is the primary benefit of using size specifiers in C?

<p>To specify the minimum number of bits required for a type (B)</p> Signup and view all the answers

What is the significance of the ASCII and EBCDIC collating sequences?

<p>They associate each character and symbol with a unique integer value (A)</p> Signup and view all the answers

What is the advantage of the 2's complement rule for storing negative integers?

<p>It eliminates the need for separate addition and subtraction circuits in the ALU (A)</p> Signup and view all the answers

What is the primary component of a floating-point number?

<p>All of the above (D)</p> Signup and view all the answers

What is the purpose of the const qualifier in C?

<p>To ensure that a variable's value cannot be changed (A)</p> Signup and view all the answers

What is the significance of the Unicode standard?

<p>It provides a much more comprehensive collating system (B)</p> Signup and view all the answers

How does C store characters and symbols?

<p>Using the ASCII collating sequence (D)</p> Signup and view all the answers

What determines the range of values that a type can store?

<p>The number of bits used to store the type (B)</p> Signup and view all the answers

What is the significance of the IEEE Standard 754?

<p>It provides a model for binary and floating-point arithmetic (C)</p> Signup and view all the answers

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