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19 Cards in this Set
- Front
- Back
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Data type |
A characteristic of a program value; a variable or constant's data type describes the kind of values it can hold and the types of operations that can be performed with it. |
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Numeric |
Describes data that consists of numbers and with which numeric operations can be performed. |
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String |
Describes data that is non-numeric. |
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Integer |
A whole number |
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Floating-point |
A fractional, numeric variable that contains a decimal point; also known as "real numbers". |
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Numeric constant (literal numeric constant) |
A specific numeric value |
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String constant (literal string constant) |
A specific group of characters enclosed with quotation marks. |
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Alphanumeric values |
The set of values that includes alphabetic characters, numbers, and punctuations. |
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Unnamed constants |
A literal numeric or string value. |
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Variable |
Named memory locations whose contents can vary or differ. |
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Declaration |
A statement that names a variable and its data type. |
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Numeric variable |
A variable that holds numeric values |
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String variable |
A variable that can hold text that includes letters, digits, and special characters, such as punctuation marks. |
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Type safety |
The feature of programming languages that prevents assigning values of an incorrect data type |
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Identifier |
A program component's name |
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Keywords |
The limited word set that is reserved in a language |
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Assignment statement |
A statement that stores a value on its right side to the named location on its left side. |
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Assignment operator |
The equal sign; always requires the name of a memory locatin in its left side |
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Binary operator |
An operator that requires two operands- one on each side |
