ISO/IEC JTC 1 Subcommittees

ISO TC 97 and/or ISO/IEC JTC I Subcommittee	Title	Status	Noteworthy or Illustrative Standards and Home Page for Active JTC 1 SCs (For citations of specific standards, the inaugural editions are cited.)
SC 1	Vocabulary	Projects assigned to each applicable SC.	Disbanded at the Rio de Janeiro 1999 JTC 1 Plenary
SC 2	Coded character sets	Active	JTC 1/SC 2 ISO 646:1972, Information technology — ISO 7-bit coded character set for information interchange ISO/IEC 10646-1:1993Information technology — Universal Multiple-Octet Coded Character Set (UCS) — Part 1: Architecture and Basic Multilingual Plane
SC 3	Optical character and mark recognition	Projects assigned to SC 29	ISO 1073-1:1976, Alphanumeric character sets for optical recognition — Part 1: Character set OCR-A — Shapes and dimensions of the printed image ISO 1073-2:1976, Alphanumeric character sets for optical recognition — Part 2: Character set OCR-B — Shapes and dimensions of the printed image
SC 4	Physical Interfaces (to be checked)
SC 5	programming languages	Projects assigned to SC 22	ISO 1989-1970 Information processing — Programming languages — COBOL
SC 6	Telecommunications and information exchange between systems	Active	JTC 1/SC 6
SC 7	Software and systems engineering	Active	JTC 1/SC 7
SC 8	Numerical control of machines	Merged in 1983 into the newly established  ISO TC 184 (Automation systems and integration)
SC 9	Programming languages for numerical control	Merged in 1983 into the newly established  ISO TC 184 (Automation systems and integration)
SC 10	Magnetic disks	Projects assigned to SC 23	Removable magnetic disk packs ISO 3561:1976, Information processing — Interchangeable magnetic six-disk pack — Track format ISO 5653:1980, Information processing — Interchangeable magnetic twelve-disk pack (200 Mbytes)
SC 11	Flexible magnetic media for digital data interchange	Projects assigned to SC 23	Open reel magnetic tapes; magnetic tape cassettes and cartridges; and magnetic flexible disk cartridges ISO 1861:1975, Information processing — 7- track, 12,7 mm (0.5 in) wide magnetic tape for information interchange recorded at 8 rpmm (200 rpi) ISO 5654-1:1982, Information processing — Data interchange on 200 mm (8 in) flexible disk cartridges using two-frequency recording at 13 262 ftprad on one side — Part 1: Dimensional, physical and magnetic characteristics ISO 5652:1983, Information processing — 9-Track, 12,7 mm (0.5 in) wide magnetic tape for information interchange — Format and recording, using group coding at 264 cpmm (6 250 cpi) ISO 9661:1988,  Information processing — Data interchange on 12,7 mm (0.5 in) magnetic tape cartridges — 18 tracks, 1 491 data bytes per millimeter (37 871 data bytes per inch)   Disbanded at the 2003 Singapore JTC 1 plenary
SC 12	Instrumentation magnetic tape	Projects assigned to SC 23	ISO 1859-1973, Information processing — Unrecorded magnetic tapes for interchange instrumentation applications – General dimensional requirements ISO 1860:1978, Information processing — Precision reels for magnetic tape used in interchange instrumentation applications
SC 13	Interconnection of equipment	Projects assigned to SC25	TC 97/SC 13 and IEC SC 83 were merged into SC 25 per Resolution 12 of the second (Paris ) JTC 1 plenary on June 7, 1989
SC 14	Data elements	Projects assigned to SC 32	ISO/IEC 11179-3:1994, Information technology – Specification and standardization of data elements – Part 3: Basic attributes of data elements   Disbanded at the 1997 Ottawa JTC 1 Plenary
SC 15	Labeling and file structures	Projects assigned to SC 23	ISO 1001: 1979, Information processing — Magnetic tape labeling and file structure for information interchange ISO 7665: 1983, Information processing — File structure and labeling of flexible disk cartridges for information interchange Dissolved per Resolution 17 of the Paris JTC 1 Plenary (1989)
SC 16	Upper layers of OSI	Projects assigned to SC 21	ISO 7498: 1984, Information processing systems — Open Systems Interconnection — Basic Reference Model
SC 17	Cards and personal identification	Active	JTC 1/SC 17
SC 18	Text and office systems	Projects assigned to SC 34	ISO 8879:1986, Information processing — Text and office systems — Standard Generalized Markup Language (SGML) ISO/IEC ISP 12064-1:1995, Information technology. International standardized profile FOD112. Open document format: image applications. Simple document structure. Raster graphics content architecture. Document application profile (DAP)   Disbanded at the 1997 Ottawa JTC 1 Plenary
SC 19
SC 20	Cryptographic Techniques	Projects assigned to SC 27.
SC 21	Upper layers of OSI	Projects assigned to multiple SCs (including SC32, SC33)	Disbanded at the 1997 Ottawa JTC 1 Plenary
SC 22	Programming languages, their environments and system software interfaces	Active	JTC 1/SC 22 ISO/IEC 9945-1:1990, Information technology — Portable Operating System Interface (POSIX) — Part 1: System Application Program Interface (API) [C Language] ISO/IEC 9945-2:1993, Information technology — Portable Operating System Interface (POSIX) — Part 2: Shell and Utilities
SC 23	Digitally Recorded Media for Information Interchange and Storage	Active	JTC 1/SC 23
SC 24	Computer graphics, image processing and environmental data representation	Active	JTC 1/SC 24
SC 25	Interconnection of information technology equipment	Active	JTC 1/SC 25
SC 26	Microprocessor Systems	Projects assigned to SC 25	Disbanded at the Rio de Janeiro 1999 JTC 1 Plenary
SC 27	IT Security techniques	Active	JTC 1/SC 27
SC 28	Office equipment	Active	JTC 1/SC 28
SC 29	Coding of audio, picture, multimedia and hypermedia information	Active Established in 1991 by moving the multimedia coding projects from SC 2.	JTC 1/SC 29 ISO/IEC 10918-1:1994, Information technology — Digital compression and coding of continuous-tone still images: Requirements and guidelines ISO/IEC 11172:1993 Information technology — Coding of moving pictures and associated audio for digital storage media at up to about 1,5 Mbit/s — Parts 1-3 ISO/IEC 15444-1:2000, Information technology — JPEG 2000 image coding system — Part 1: Core coding system
SC 30	Open electronic data interchange	Created at the 1994 Washington DC JTC 1 Plenary	Disbanded at the 1997 Ottawa JTC 1 Plenary
SC 31	Automatic identification and data capture techniques	Active Established in 1996.	JTC 1/SC 31
SC 32	Data management and interchange	Active Established in 1997.	JTC 1/SC 32
SC 33	Distributed Application Services	Projects assigned to SC 7 and SC 6.	Disbanded at the 1998 Sendai JTC 1 Plenary
SC 34	Document description and processing languages	Active Established in 1998.	JTC 1/SC 34 ISO/IEC 26300:2006, Information technology — Open Document Format for Office Applications (OpenDocument) v1.0 ISO/IEC 29500:2008, Information technology — Document description and processing languages — Office Open XML File Formats — Parts 1-3
SC 35	User interfaces	Active Established in 1998.	JTC 1/SC 35
SC 36	Information technology for learning, education and training	Active Established in 1999.	JTC 1/SC 36
SC 37	Biometrics	Active Established in 2002.	JTC 1/SC 37
SC 38	Distributed application platforms and services (DAPS)	Active Established in 2009.	JTC 1/SC 38