An Introduction to the IBM 1401 Computer"This workmanual is intended as an introduction to the IBM 1401 computer." -- Preface. |
Common terms and phrases
add instruction address registers ALPHA alphanumeric arithmetic Autocoder B-address B-field B-register blank branch instruction Card Form Chapter Clear Storage COBOL CODING FORM coding paper console contains control word core storage d-character data field defined digits disc file Disc Pack Disc Storage Disk dividend edited error example execution Figure GM-WM group mark high-order hundreds position index register indicator input-output INTERNATIONAL BUSINESS MACHINES label line coding load machine language magnetic tape main program manual mnemonics Modify Address Move Characters multiply number of characters Op Code operand address operation code output overflow print storage Printer processing product area punched card quotient Read Reader result rightmost Sense Switch sequence sequential Set Word Mark special feature specified stacker STATEMENT storage address stored subroutine SYMBOLIC PROGRAMMING SYSTEM TALLY transfer of control units position WKAREA workmanual Zero and Add Zero and Subtract zero suppression zone bits