numeric character set
41SQL — This article is about the database language. For the airport with IATA code SQL, see San Carlos Airport. SQL Paradigm(s) Multi paradigm Appeared in 1974 Designed by Donald D. Chamberlin Raymond F. Boyce Developer …
42Hexadecimal — In mathematics and computer science, hexadecimal (also base num|16 , hexa, or hex) is a numeral system with a radix, or base, of 16. It uses sixteen distinct symbols, most often the symbols 0 ndash;9 to represent values zero to nine, and A , B ,… …
43TRS-80 — For the Chicago based electronica group, see TRS 80 (group). TRS 80 Model I with Expansion Interface Release date August 3, 1977 (1977 08 03) …
44Commodore 128 — Release date 1985 Discontinued 1989 Operating system Commodore BASIC 7.0 Digital Research CP/M 3.0 …
45Double spaced sentences — Double spacing at the ends of sentences is a typographical convention that has sometimes been termed English spacing. Since the mid 1990s, it has often been termed French spacing, although that term has traditionally referred to the practice of… …
46tar (file format) — tar GNU tar 1.23 showing three common types of Tarballs (shown in red). Filename extension .tar Internet media type application/x tar …
47Postcodes in the United Kingdom — The postal codes used in the United Kingdom are known as postcodes.[1] They are alphanumeric and were introduced by the Royal Mail over a 15 year period from 11th October 1959 to 1974.[2] A full postcode is known as a postcode unit and usually… …
48IBM PC keyboard — The keyboards for IBM PC compatible computers are standardized. However, during the 3 plus decades of PC architecture being constantly updated, multiple types of keyboard layout variations have been developed. A well known class of IBM PC… …
49QR code — for the URL of the English Wikipedia Mobile main page A QR code (abbreviated from Quick Response code) is a type of matrix barcode (or two dimensional code) first designed for the automotive industry. More recently, the system has become popular… …
50Extended Binary Coded Decimal Interchange Code — (EBCDIC) is an 8 bit character encoding (code page) used on IBM mainframe operating systems such as z/OS, OS/390, VM and VSE, as well as IBM midrange computer operating systems such as OS/400 and i5/OS (see also Binary Coded Decimal). It is also… …
