FACTOID # 10: The total number of state executions in 2005 was 60: 19 in Texas and 41 elsewhere. The racial split was 19 Black and 41 White.

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Encyclopedia > Field (computer science)

In computer science, data that has several parts can be divided into fields. For example, a computer may represent today's date as three distinct fields: the day, the month and the year. Computer science, or computing science, is the study of the theoretical foundations of information and computation and their implementation and application in computer systems. ...

Programming languages usually have a record data type to represent composite data types as a series of fields. An array of boolean values can be represented as a bit field. A programming language is an artificial language that can be used to control the behavior of a machine, particularly a computer. ... This article is about the data structure. ... A data type is a constraint placed upon the interpretation of data in a type system in computer programming. ... This article or section does not cite its references or sources. ... In computer science the boolean datatype, sometimes called the logical datatype, is a primitive datatype having two values: one and zero (sometimes called true and false). ... A bit field is a common idiom used in computer programming to store a set of Boolean datatype flags compactly. ...

Relational databases arrange data as sets of database records, also called rows. Each record consists of several fields; the fields of all records form the columns. A relational database is a database that conforms to the relational model, and refers to a databases data and schema (the databases structure of how that data is arranged). ... In computer science, a database record is a description of a single item as stored in a database. ... In the context of a relational database, a row, also called a record or tuple, represents a single, implicitly structured data item in a table. ... In the context of a relational database, a column of a table is a set of data values of a particular simple type, one for each row of the table. ...

In object-oriented programming, field (also called data member) is the data encapsulated within a class or object. In the case of a regular field (also called instance variable), for each instance of the object there is an instance variable. A static field (also called class variable) is one variable, which is shared by all instances. Object-oriented programming (OOP) is a programming paradigm that uses abstraction to create models based on the real world. ... In general, data consist of propositions that reflect reality. ... In computer science, the principle of information hiding is the hiding of design decisions in a computer program that are most likely to change, thus protecting other parts of the program from change if the design decision is changed. ... In object-oriented programming, classes are used to group related variables and functions. ... An object is fundamental concept in object-oriented programming. ... Instantiation is the process of creating a specific object (computing) which is a member or instance of a class (computing). ...

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Results from FactBites:

 Computer science - Wikipedia, the free encyclopedia (590 words) Many diverse fields exist within the broader discipline of computer science; some emphasize the computation of specific results (such as graphics), while others (such as computational complexity theory) relate to properties of algorithms used in performing computations. The history of computer science predates the modern digital computer, though certain fields within computer science (such as operating systems) developed in parallel with the computer; other fields, such as computer vision, have developed more recently. The renowned computer scientist Edsger Dijkstra is often quoted as saying, "Computer science is no more about computers than astronomy is about telescopes." The study of computer hardware is usually called computer engineering, and the study of commercial computer systems and their deployment is often called information technology or information systems.
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