An Introduction to Electronic Computers |
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Page 78
... pulse , and 0 a no - pulse . A B АЛВ A 0 0 0 AND box С ( АЛ В ) B 1 0 0 0 Pulse at C only if pulses at both A and B. 1 1 Figure 4-2 . AND gate and truth table for A / B . The OR gate ( also called V - gate , OR block , and mixer ) ...
... pulse , and 0 a no - pulse . A B АЛВ A 0 0 0 AND box С ( АЛ В ) B 1 0 0 0 Pulse at C only if pulses at both A and B. 1 1 Figure 4-2 . AND gate and truth table for A / B . The OR gate ( also called V - gate , OR block , and mixer ) ...
Page 79
... pulse to the state opposite to its state before the pulse , and the monostable multivibrator , or delay flop , which is set to 1 by a pulse and returns to a 0 condition after a delay period . Timing Circuits The operations of the ...
... pulse to the state opposite to its state before the pulse , and the monostable multivibrator , or delay flop , which is set to 1 by a pulse and returns to a 0 condition after a delay period . Timing Circuits The operations of the ...
Page 90
... pulse emitted by an electronic clock . Since each operation takes a specified number of pulse times , the control circuitry will initiate the proper commands at the correct intervals . Pulse times are in the millions or even billions ...
... pulse emitted by an electronic clock . Since each operation takes a specified number of pulse times , the control circuitry will initiate the proper commands at the correct intervals . Pulse times are in the millions or even billions ...
Contents
What a Computer | 8 |
The Equipment in a Computer Center | 13 |
Other Equipment | 19 |
Copyright | |
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addition Arithmetic and Storage array basic binary coded decimal binary number bit set calculate central processor channel Chapter characters circuitry circuits COBOL complement Computer Arithmetic computer instructions computer memory core cycle data processing data word data-name decimal numbers decimal point disc file ELECTRONIC COMPUTERS equipment error example executed Figure floating point flowchart FORMAT statement FORTRAN FORTRAN IV FORTRAN-Additional Features function hexadecimal identified index register indirect addressing Input and Output input-output devices integer INTRODUCTION TO ELECTRONIC logic loop machine language magnetic tape main program memory location method natural binary coded notation number of digits numeric digit octal operand operation code payroll perform printed printer problem PROCEDURE DIVISION pulse punched card quantity read-write head represent result routine scale factor Self-testing sequence specified stored subroutine subtraction switch symbolic tion transfer of control translated two-state unit record variable name variable word-length computer write written zero