GB/T 1990-1980
AbolishedThe dimension and position of theholes of perforated paper tape for information processing exchange
信息处理交换用穿孔纸带孔的尺寸与位置
Application Summary AI generated
This standard specifies the precise dimensions and positions of holes in perforated paper tape used for data storage and exchange in early information processing systems. It was applied in contexts such as computer input/output, telecommunications, and numerical control machinery, where paper tape served as a medium for recording and reading binary data. The standard ensured compatibility between tape punches, readers, and data formats across different equipment and industries.
Related Standards
GB/Z 17979-2000
Information technology--Guidelines for effective use of optical disk cartridges conforming to GB/T 17234
GB/Z 18808-2002
Information technology--Technical aspects of 130 mm optical disk cartridge write-once recording format
GB/Z 18390-2001
Information technology--Guidance onmeasurement techniques for 90mm optical disk cartridges
GB/T 18807-2002
Information technology--Data interchange on 130 mm optical disk cartridges--Capacity:1.3 gigabytes per cartridge
GB/T 18141-2000
Information technology--Information interchange on 130 mm optical disk cartridges using themagneto-optical effect，for write once，read multiple functionality
GB/T 18140-2000
Information technology--Data interchange on 130 mm optical disk cartridges--Capacity:1 gigabyte per cartridge
GB/T 17960-2000
Information technology--Data interchange on 90 mm flexible disk cartridges using modified frequency modulation recording at 31 831 ftprad on 80 tracks on each side--GB type 303
GB/T 17704.2-1999
Information technology--130mm optical disk cartridge，write once，for information interchange--Part 2:Recording format
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.