Data Types Flashcards

1
Q

The operator used in a programming language that gives a value to a variable or constant.

A

Assignment Operator

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2
Q

A term in the study of logic and programming meaning a true or false value.

A

Boolean

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3
Q

A data type in programming that contains a symbol, letter, or digit, like ‘A’, ‘b’, ‘5’ or ‘#’.

Consists of 16 bits.

A

Character (Char)

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4
Q

A memory location in programming that is unchanged during the execution of the program once it has been given a value, unlike a variable which can be changed.

A

Constants

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5
Q

A classification identifying one of various types of data, such as real, integer or Boolean, that determines the possibles values for that type.

A

Data Type

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6
Q

A real number that has a whole part and a fractional part, like 3.14.

The general term for the base ten numbering system.

A

Decimal

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7
Q

Specifies properties of an identifier of a function, procedure, method, variable, constant, or class, but can also be used for other entities such as enumerations and type definitions.

A

Declaration

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8
Q

A data type in some languages that is designed to contain floating-point numbers, generally using twice as much memory as a float data type. In Java, this uses 64 bits of memory compared to a float that uses 32 bits.

A

Double

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9
Q

A data type in programming that contains a floating point value, more commonly referred to as a decimal value, like 1.5 or 3.14.

A

Float

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10
Q

A decimal value such as 1.5 or 3.14.

A

Floating Point

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11
Q

The process of assigning a beginning value to a variable or constant in a computer program.

A

Initialization

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12
Q

In object oriented programming, this is the process of bringing into existence an object defined by a class, in Java initiated by the term “new,” which calls a constructor appropriate for that object.

A

Instantiate

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13
Q

A data type in various languages which contains a positive or negative number value.

One bit is used to indicate positive or negative (sign bit).

Takes up 32 bits of memory.

A

Integer (int)

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14
Q

Names used in programming for classes methods, variables, and constants that help describe the general purpose and function associated with that item.

A

Meaningful Identifiers

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15
Q

A row of characters combined together to make a word, sentence, or other text-based value.

A

String

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16
Q

A memory location in programming that is changeable during the execution of the program, unlike a constant which cannot be changed.

A

Variable