定价： 570元 / 折扣价： 485 元 加购物车

Specifies extensions that were considered important to have available in the U.S., prior to publication of the next full revision of the national standard. It addresses extensions related to the Network User Identification (NUI) Selection facility. Implementations conforming to this supplement must conform to X3.100:1989 and the 1988 version of CCITT Recommendation X.25. Supplement to ANSI X3.100-1989

定价： 570元 / 折扣价： 485 元 加购物车

Represents the minimum requirements for mechanical and magnetic interchangeability of thr minicassette between information processing systems, communication systems, and associated equipment using ANSI X3.4:1977, American Standard Code for Information Interchange (ASCII).

定价： 570元 / 折扣价： 485 元 加购物车

This standard specifies the quality of paper, dimensions and quality of general purpose cards, and test methods for general pubpose cards of 7 3/8 inch length.

定价： 570元 / 折扣价： 485 元 加购物车

Describes the matrix of dot placement and size limits for OCR-MA alphanumeric characters and symbols for optical character recognition (OCR) systems.

定价： 570元 / 折扣价： 485 元 加购物车

Specifies the general, physical and magnetic requirements for interchangeability of the five disk pack, as required to achieve unrecorded pack interchange between disk storages and associated information processing systems.

定价： 570元 / 折扣价： 485 元 加购物车

This American National Standard is intended to provide a format and recording standard for a 0.250-inch (6.30-mm) wide, 4-track magnetic tape in a cartridge to be used for information interchange between information processing systems, communications systems, and associated equipment utilizing a standard code for information interchange, as agreed upon by the interchange parties.

定价： 570元 / 折扣价： 485 元 加购物车

This standard defines the sizes and location of the printable/image areas common to both the ISO A4 and North American paper sizes for international communication on text and facsimile equipment.

定价： 570元 / 折扣价： 485 元 加购物车

Provides the mechanical, physical and magnetic properties of a magnetic disk with an 8.268 in (210 mm) diameter and low surface friction intended for mounting in data storage devices. A typical recording density is 480 tpi with 8464 flux transitions per inch (ftpi) at a radius of 2.978 in (78,64 mm).

定价： 570元 / 折扣价： 485 元 加购物车

Provides the mechanical, physical and magnetic properties of a magnetic disk with an 7.874-in (200-mm) diameter and low surface friction intended for mounting in data storage devices. A typical recording density is 480 tpi with 6858 fluxtransitions per inch (ftpi) at a radius of 2.224 in (56,49 mm).

定价： 570元 / 折扣价： 485 元 加购物车

Specifies the general, physical, and magnetic requirements for interchangeability of the two-sided, 8-in (200-mm) (nominal), 48-tracks-per-inch (tpi), flexible disk caratridge (for 13 262 flux transitions per radian (ftpr) for use) as required to achieve unformatted disk cartridge interchange among disk drives using 77 tracks per side and associated information processing systems.

定价： 570元 / 折扣价： 485 元 加购物车

Specifies the general, physical, and magnetic requirements for interchangeability of the two-sided, 8-in (200-mm) (nominal), 48-tracks-per-inch (tpi), flexible disk caratridge (for 13 262 flux transitions per radian (ftpr) for use) as required to achieve unformatted disk cartridge interchange among disk drives using 77 tracks per side and associated information processing systems.

定价： 546元 / 折扣价： 465 元 加购物车

Specifies a set of functions for computer graphics programming (GKS). GKS is a basic graphics system for applications that produce computer generated two-dimensional pictures on line graphics or raster graphics output devices. It supports operator input and interaction by supplying basic functions for graphical input and picture segmentation and allows storage and dynamic modification of pictures.

定价： 570元 / 折扣价： 485 元 加购物车

Specifies a set of functions for computer graphics programming (GKS). GKS is a basic graphics system for applications that produce computer generated two-dimensional pictures on line graphics or raster graphics output devices. It supports operator input and interaction by supplying basic functions for graphical input and picture segmentation and allows storage and dynamic modification of pictures.

定价： 546元 / 折扣价： 465 元 加购物车

Specifies a language independent nucleus of graphics system. For integration into a programming language, GKS is embedded in a language dependent layer obeying the particular conventions of that language. This document specifies such a language dependent layer for the FORTRAN language

定价： 570元 / 折扣价： 485 元 加购物车