Table Sets

American Standard Code for Information Interchange (ASCII), pronounced /ˈæski/ is a character encoding based on the English alphabet. more...

Home
Bath
Bedding
Furniture
Bedroom Furniture
Children's Furniture
Dining Room Furniture
Kitchen Furniture
Living Room, General...
Bean Bags, Inflatables
Benches
Bookcases
CD, Video Racks
Chairs
Armchairs, Club Chairs
Barcelona Chairs
Folding Chairs
Lounge Chairs
Other Chairs
Recliners
Rocking Chairs, Gliders
Theater Seating
Chests, Cabinets
Entertainment Ctrs, TV...
Futons, Futon Covers
Futon Covers
Futon Frames
Futons
Other Futons, Futon Covers
Occasional Tables
Card & Game Tables
Coffee Tables
Console, Sofa Tables
End Tables
Other Tables
Table Sets
Tray Tables
Other Furniture
Ottomans, Footstools
Sofas, Loveseats
Loveseats
Other
Sectionals
Sets
Sofa Beds, Sleeper Sofas
Sofas
Trunks
Office
Gardening & Plants
Home Decor
Lamps, Lighting, Ceiling...
Patio & Grilling
Pools & Spas
Rugs & Carpets

ASCII codes represent text in computers, communications equipment, and other devices that work with text. Most modern character encodings — which support many more characters than did the original — have a historical basis in ASCII.

Historically, ASCII developed from telegraphic codes and its first commercial use was as a seven-bit teleprinter code promoted by Bell data services. Work on ASCII began in 1960. The first edition of the standard was published in 1963, a major revision in 1967, and the most recent update in 1986. Compared to earlier telegraph codes, the proposed Bell code and ASCII were both reordered for more convenient sorting (ie, alphabetization) of lists, and added features for devices other than teleprinters. Some ASCII features, including the 'ESCape sequence', were due to Robert Bemer.

ASCII includes definitions for 128 characters: 33 are non-printing, mostly obsolete control characters that affect how text is processed, and 94 are printable characters (excluding the space).

Overview

Like other character encodings, ASCII specifies a correspondence between digital bit patterns and character symbols (i.e. graphemes and control characters). This allows digital devices to communicate with each other and to process, store, and communicate character-oriented information such as written language. The ASCII character encoding — or a compatible extension (see below) — is used on nearly all common computers, especially personal computers and workstations. The preferred MIME name for this encoding is \"US-ASCII\".

ASCII is, strictly, a seven-bit code, meaning it uses patterns of seven binary digits (a range of 0 to 127 decimal) to represent each character. When ASCII was introduced, many computers used eight-bit bytes (groups of bits), also called octets, as the native data type. In seven-bit ASCII encoding, the eighth bit was commonly used as a parity bit for error checking on communication lines or for other device-specific functions. Machines that did not use parity checking typically set the eighth bit to 0.

Except for a few of the ASCII control characters that prescribe some elementary line-oriented formatting, ASCII does not define any mechanism for describing the structure or appearance of text within a document. Other schemes, such as markup languages, address page and document layout and formatting.

History

The American National Standards Institute (then called the American Standards Association or ASA, and later the United States of America Standards Institute or USASI) developed ASCII based on earlier teleprinter encoding systems. Circa 1956, Ivan Idelson, at Ferranti in the UK, had proposed the Cluff-Foster-Idelson coding of characters on 7 track paper tape to a British Standards committee. This was one of the influences on ASCII.

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