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16 Cards in this Set
- Front
- Back
- 3rd side (hint)
What is the 'sbyte' datatype?
What is it's range? |
The 'sbyte' datatype is the signed byte type.
It's range is -128 to 127. |
's' is for signed.
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What is the 'short' data type and what is it's range?
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The 'short' data type is a signed 16 bit integer. It's range is -32,768 to 32,767.
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16 bits is not very long but it was the sign of the times in 1982.
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What is the 'bool' datatype and how long is it?
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The 'bool' datatype has only two values, true and false. It's length is not defined but is system dependent.
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What is the 'byte' datatype and how long is it?
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The 'byte' datatype is an unsigned 16 bit integer.
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There's no 's' in front of it.
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What is the char datatype?
What is it's range? |
The 'char' datatype is used to store a Unicode character. It is 16 bits and it's range is from hex 0000 to hex ffff.
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kanji for example.
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What is the 'decimal' datatype?
How long is it? What is it's precision? What is it's formatting character? |
The 'decimal' datatype is used for financial calculations.
It ranges from approximately 1.0x10^-28 to 7.9x10^28. It has at least 28 significant digits. It's formatting character is 'm'. |
MOney makes the world go 'round.
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What is the 'double' datatype and how long is it?
What is it's range? What is it's precision? What is it's formatting character? |
The 'double' datatype is the double precision 64 bit floating point type.
It's range is from approximately ±1.5x10^-308 to ±1.7x10^308. It's precision is 15 digits. It's formatting character is 'd'. |
half again at 308.
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enum 1:
What is the 'enum' keyword used for? Give an example is C# syntax. |
The 'enum' keyword is used to create enumerated lists.
enum foo {eshort, elong, esbyte, ebyte}; |
enumerate the possibilities.
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enum 2:
What is the output of the following code snippet? enum foo {elong, eshort, esbyte, eint}; ... Console.Write("eshort {0}", esbyte); |
eshort 2
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What culture created the concept of zero?
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enum 3:
What is the output from this code snippet? enum foo {elong = 2, eshort, eint}; ... Console.Write("eint {0}", eint); |
eint 4
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You don't always have to start at the beginning.
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What is the 'float' datatype?
What is it's range? What is it's precision? What is it's formatting character? |
The 'float' datatype is used to store 32 bit floating point numbers.
It ranges from ±1.5x10^-38 to ±3.4x10^38. It's precision is 7 digits. It's formatting character is 'f'. |
It's only half as long.
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What is the 'int' datatype?
What is it's range? What is it's formatting character? |
The 'int' datatype is used to declare signed integer variables.
It's range is ~ ±2.15x10^9. There is no formatting character for 'int'. |
billions and billions.
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What is the 'long' type?
What is it's range? What is the formatting suffix? |
The 'long' datatype is the long integer type.
It's range is from ~ ±9.22x10^18. It's formatting suffix is 'l'. |
It's magnitude is twice that of 'int'.
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What is the 'uint' datatype?
What is it's range? What is the formatting suffix character? |
The 'uint' datatype is the unsigned 32 bit integer.
It's range is from 0 to 4,294,967,295. It's formatting suffix character is 'u' |
u is for unsigned.
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What is the 'ulong' datatype?
What is it's range? What is the type suffix? |
The 'ulong' datatype is an unsigned 64 bit integer.
It's range is from 0 to ~ 18.44x10^18. It's type suffix is 'u'. |
It's magnitude is twice that of uint but it's not negative about it.
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What is the 'ushort' datatype?
What is it's range? What is it's type suffix? |
The 'ushort' datatype is an unsigned 16 bit integer.
It's range is from 0 to 65,535. It has no type suffix. |
It gave Osborne it's all.
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