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Questions and Answers
What is the range of a signed short int?
Which format specifier is used for unsigned long long int?
What is the size in bytes of a double data type?
Which of the following types has the largest range for signed integers?
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What is the precision of a float data type?
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Which format specifier is used for printing characters?
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What is the range of an unsigned int?
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How many bytes does a long double type occupy?
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Study Notes
Integer Types
-
int:
- Size: 4 bytes
- Signed range: -2,147,483,648 to 2,147,483,647
- Unsigned range: 0 to 4,294,967,295
- Format specifiers: %d (signed), %u (unsigned)
-
short int:
- Size: 2 bytes
- Signed range: -32,768 to 32,767
- Unsigned range: 0 to 65,535
- Format specifiers: %hd (signed), %hu (unsigned)
-
long int:
- Size: 8 bytes (4 bytes on 32-bit systems)
- Signed range: -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807
- Unsigned range: 0 to 18,446,744,073,709,551,615
- Format specifiers: %ld (signed), %lu (unsigned)
-
long long int:
- Size: 8 bytes
- Signed range: -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807
- Unsigned range: 0 to 18,446,744,073,709,551,615
- Format specifiers: %lld (signed), %llu (unsigned)
-
unsigned int:
- Size: 4 bytes
- Unsigned range: 0 to 4,294,967,295
- Format specifier: %u
Floating-Point Types
-
float:
- Size: 4 bytes
- Range: 3.4E-38 to 3.4E+38
- Precision: 6 decimal places
- Format specifier: %f
-
double:
- Size: 8 bytes
- Range: 1.7E-308 to 1.7E+308
- Precision: 15 decimal places
- Format specifier: %lf
-
long double:
- Size: 16 bytes
- Range: 3.4E-4932 to 1.1E+4932
- Precision: 18 decimal places
- Format specifier: %Lf
Character Types
-
char:
- Size: 1 byte
- Signed range: -128 to 127
- Unsigned range: 0 to 255
- Format specifier: %c
-
unsigned char:
- Size: 1 byte
- Unsigned range: 0 to 255
- Format specifier: %c
Summary of Format Specifiers
- Integer: %d, %i (signed), %u (unsigned)
- Floating-point: %f, %e (scientific), %g (shorter of %e or %f)
- Character: %c
- String: %s
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Description
This quiz focuses on understanding integer data types, including their signed and unsigned ranges, sizes in bytes, and respective format specifiers. Test your knowledge on how these data types function in programming languages.
