Typed Programming Languages

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What is the total number of bits in a float and a double combined?

64

96

80

96 + 32 (correct)

According to IEEE 754, what is the number of bits in the significand of a double?

52 (correct)

32

64

23

Why can't float and double types store all possible floating-point values exactly?

Because of unlimited number of bits in the significand

Because of the sign bit

Because of the exponent

Because of limited number of bits in the significand (correct)

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

Number of bytes allocated for a type Signup and view all the answers

What is the purpose of a declaration in C?

To associate a program variable with a type Signup and view all the answers

What is the purpose of the brackets in a declaration?

To denote an optional part of the syntax Signup and view all the answers

What is the purpose of a semi-colon in a declaration?

To conclude the declaration, making it a complete statement Signup and view all the answers

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

By separating the identifiers by commas Signup and view all the answers

What naming conventions must an identifier for a variable satisfy?

It must satisfy certain naming conventions Signup and view all the answers

What is the minimum number of bits required to represent a short int in a 32-bit environment?

16 bits Signup and view all the answers

Why should we avoid using C++ reserved words in C?

For upward compatibility Signup and view all the answers

What is the purpose of the const qualifier in C?

To hold a constant value Signup and view all the answers

How does C store characters and symbols?

Using the ASCII collating sequence Signup and view all the answers

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

To specify the range of values that can be stored and the operations that can be performed on those values Signup and view all the answers

What is the main difference between ASCII and EBCDIC collating sequences?

The symbol order in ASCII differs from that in EBCDIC Signup and view all the answers

What is the purpose of the 2's complement rule in storing negative integers?

To simplify the addition and subtraction circuits in the ALU Signup and view all the answers

What is the relation between a type and raw memory?

A type defines how to store values in memory and which operations are admissible on those values Signup and view all the answers

What is the size of a char type in C?

One byte Signup and view all the answers

What is the minimum number of bits required to represent a long long int in a 32-bit environment?

64 bits Signup and view all the answers

What is the main difference between a float and a double in C?

A float is used for single-precision and a double is used for double-precision Signup and view all the answers

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

To interpret the bit streams in memory Signup and view all the answers

What is the purpose of the IEEE Standard 754 for Binary and Floating-Point Arithmetic?

To provide a model for floating-point arithmetic Signup and view all the answers

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

The number of bytes occupied Signup and view all the answers

What is the purpose of identifying the contents of a variable using a type in C?

To allocate memory for the variable Signup and view all the answers

How does C store integral data?

In a binary form that represents the value exactly Signup and view all the answers

How many types of arithmetic types are described in this chapter?

Four Signup and view all the answers

What is the purpose of the size specifiers in C?

To ensure a type contains a minimum number of bits Signup and view all the answers

What is the primary purpose of the four most common types in the C language?

To perform arithmetic calculations Signup and view all the answers

What is the relationship between the type of a variable and the range of values that can be stored in it?

The type determines the range of values that can be stored Signup and view all the answers

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

It allows for more efficient memory allocation Signup and view all the answers