This standard specifies the general, physical, and magnetic requirements for interchangeability of the one - or two-sided, 5.25-Inch (130-mm) (nominal), 96-tracks-per-inch (tpi) (3,8-tracks-per-millimeter(tpmm)) flexible disk cartridge (for 7958-bits-per-radian(bpr) use) as required to achieve unformatted disk cartridge interchange among disk drives using 80 tracks per side and associated information processing systems

定价： 570元 / 折扣价： 485 元 加购物车

The revision contains substantive and editorial changes to ANSI X3.137:1988. The standard specifies the general, physical and magnetic requirements for inter-changeability of the one-and two-sided 90mm (3.5 in) (nominal) flexible disk cartridge (for 7958 bits-per-radian (bpr) use) as required to achieve unformatted disk cartridge interchange among disk drives using 80 tracks per side and associated information processing systems.

定价： 570元 / 折扣价： 485 元 加购物车

Provides specifications for format and recording for a 1/2 inch, 9-track magnetic tape to be used for information interchange among information processing systems, communication systems, and associated equipment utilizing ANSI X3.4:1977, American National Code for Information Interchange (ASCII). This standard deals solely with recording on magnetic tape and supports and complements ANSI X3.40:1983, Unrecorded Magnetic Tape for Information Interchange, (9-Track 800 CPI, NRZI, 1600 CPI, PE and 6250 CPI, GCR).

定价： 546元 / 折扣价： 465 元 加购物车

Provides the location of the imprinted account number, area for source ID, amount of transaction, and date of transaction as they appear on 51-column and 80-column card size financial transaction card formsets.

定价： 546元 / 折扣价： 465 元 加购物车

This standard specifies the most commonly used character line spacings for office machines and data processing equipment.

定价： 570元 / 折扣价： 485 元 加购物车

This standard specifies the most commonly used character line spacings for office machines and data processing equipment.

定价： 570元 / 折扣价： 485 元 加购物车

This standard (1) lists the preferred and common sheet sizes of bond papers and index bristols and their applicable tolerances; (2) cross references to metric sizes, and (3) references a standard test method.

定价： 570元 / 折扣价： 485 元 加购物车

This standard (1) lists the preferred and common sheet sizes of bond papers and index bristols and their applicable tolerances; (2) cross references to metric sizes, and (3) references a standard test method.

定价： 570元 / 折扣价： 485 元 加购物车

This standard provides the following specifications for adding machine paper rolls: terminology; roll widths; roll length; paper substance and quality, thickness, finish, color, brightness, opacity, tearing and bursting strength; diameter of rolls; winding and cutting, core materials; diameter of core and spindle hole; roll end sealing; and quantity packaging and cartoning.

定价： 570元 / 折扣价： 485 元 加购物车

This standard provides the following specifications for adding machine paper rolls: terminology; roll widths; roll length; paper substance and quality, thickness, finish, color, brightness, opacity, tearing and bursting strength; diameter of rolls; winding and cutting, core materials; diameter of core and spindle hole; roll end sealing; and quantity packaging and cartoning.

定价： 570元 / 折扣价： 485 元 加购物车

This American National Standard provides specifications for format and recording for a 1/2-inch (12.7-mm), 9-track magnetic tape to be used for interchange among information processing systems, communication systems, and associated equipment utilizing a standard code for interchange as agreed upon by the interchange parties.

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 an 8000-bpi(315-bpmm) streaming 0.150-inch (3.81-mm)-wide, 4-track magnetic tape cassette to be used for information interchange among information processing systems, communication systems, and associated equipment utilizing a standard code for interchange, as agreed upon by the interchange parties.

定价： 570元 / 折扣价： 485 元 加购物车

Specifies the general, physical, and magnetic requirements for interchangeability for the two-sided, 5.25-in (130-mm) flexible disk cartridge (for 13262 flux transitions per radian use) as required to achieve unformatted disk cartridge interchange among disk drives using 77 or 80 tracks per side and associated information processing systems.

定价： 570元 / 折扣价： 485 元 加购物车

Presents the minimum requirements for the mechanical and magnetic interchangeability of the cassette between information processing systems, using the physical recording density of 394 ftpmm (10 000 ftpi).

定价： 570元 / 折扣价： 485 元 加购物车

4. This standard specifies the general, physical, and magnetic requirements for interchangeability of the one- and two-sided, high-density, 90-mm (3.5-in) (nominal) flexible disk cartridge for 15 916 bits-per-radian (bpr) use as required to achieve unformatted disk cartridge interchange among disk drives using 80 tracks per side and associated information processing systems. The one- and two-sided flexible disk enclosed ina protective case and having one or two recording surfaces is of the type intended specifically for use with digital recording and reproducing equipment employing access mechanisms capable of positioning to these data tracks. (See caution notice below).

定价： 570元 / 折扣价： 485 元 加购物车