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Basic telecommunications access method

Basic Telecommunications Access Method (BTAM) is a low-level programming interface specified by IBM for use on the IBM System/360 for start-stop and binary synchronous telecommunications terminals. Later, IBM specified higher-level interfaces QTAM and TCAM.

Art, Supported devices & An access method for terminals

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Supported devices

IBM 1050IBM 2740IBM 2741TeletypeIBM 2260
8 related topics

An access method for terminals

Front end processor270x communications controller3270 terminalsChannel command words"polling"
5 related topics

Key role in transaction processing systems

Transaction processingMTCSCICSIMSOnline
5 related topics

Programming

Binary SynchronousEBCDIC
2 related topics

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Overview

An access method for terminals

Key role in transaction processing systems

Programming

Supported devices

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Map overview Semantic statistics

Basic telecommunications access method

Nodes35
Edges34
Triples11
Avg. degree1.94
Density0.057143
Components1

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Basic telecommunications access method

Top relations

related to Programming · 4
Basic telecommunications access method → BTAM, GC30-2004-6, IBM System/360 Operating System, Material

Important terminology Word statistics

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Important terminology

btam terminals ibm used line system devices access processing read specified method transaction polling write later programming systems supported specific

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
a 270x communications controllerinstance ofusually connected through a front end processor0.80text
although support for local channel-attached 3270 terminals is includedinstance ofusually connected through a front end processor0.80text
MTCSinstance ofKey role in transaction processing systemsBTAM was a key component in IBM's early transaction processing systems0.80text
CICSinstance ofKey role in transaction processing systemsBTAM was a key component in IBM's early transaction processing systems0.80text
IMSinstance ofKey role in transaction processing systemsBTAM was a key component in IBM's early transaction processing systems0.80text
underpinned the rise of online transaction processing for many large commercial banksinstance ofKey role in transaction processing systemsBTAM was a key component in IBM's early transaction processing systems0.80text
insurance companiesinstance ofKey role in transaction processing systemsBTAM was a key component in IBM's early transaction processing systems0.80text
Basic telecommunications access methodrelated to ProgrammingMaterial0.60section
Basic telecommunications access methodrelated to ProgrammingIBM System/360 Operating System0.60section
Basic telecommunications access methodrelated to ProgrammingGC30-2004-60.60section
Basic telecommunications access methodrelated to ProgrammingBTAM0.60section

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