An Introduction to Electronic Computers |
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Page 141
... Data words stored in computer memory do not contain decimal points . No commas separate the thousands , millions , etc. A data word may have unwanted leading zeros or unwanted digits . The purpose of editing instructions is to rearrange ...
... Data words stored in computer memory do not contain decimal points . No commas separate the thousands , millions , etc. A data word may have unwanted leading zeros or unwanted digits . The purpose of editing instructions is to rearrange ...
Page 143
... word . Bits may be added or erased . The instructions usually provide for the selective alteration or extraction of parts of a computer word . This is frequently referred to as filtering or masking . Output Editing Before data is ...
... word . Bits may be added or erased . The instructions usually provide for the selective alteration or extraction of parts of a computer word . This is frequently referred to as filtering or masking . Output Editing Before data is ...
Page 147
... Data Words and Instruction Words An instruction word is stored at a memory location in the same way as a data word . No inherent feature distinguishes an instruction from data . If an arithmetic instruction to add two quantities should ...
... Data Words and Instruction Words An instruction word is stored at a memory location in the same way as a data word . No inherent feature distinguishes an instruction from data . If an arithmetic instruction to add two quantities should ...
Contents
What a Computer | 8 |
i | 8 |
The Equipment in a Computer Center | 13 |
Copyright | |
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addition array basic binary coded decimal binary number bit set calculate Chapter characters circuitry circuits COBOL complement computer instructions computer memory computer system core cycle DATA DIVISION data processing data word data-name decimal point devices disc file ELECTRONIC COMPUTERS equipment error example executed Figure fixed word-length floating point flowchart FORMAT statement FORTRAN FORTRAN IV FORTRAN-Additional Features function hexadecimal index register indirect addressing input and output input-output integer INTRODUCTION TO ELECTRONIC logic loop machine language magnetic tape main program memory location method notation number of digits object program octal operand operation code performed position printed printer problem PROCEDURE DIVISION program modification pulse punched card puter quantity represent result routine scale factor Self-testing sequence specified stored subprogram subroutine subtraction switch symbolic tion transfer of control translated unit record UNIVAC variable name variable word-length computer write written zero