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FUNCTIONALITY OF THE COMPUTER UNITS
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2s-complement accumulator adder ANSI arithmetic assume binary binary counter binary-1 signal bit positions carry look-ahead carry look-ahead adder Chapter circuit clear gate clock gates clock period clock pulse occurs clock signal complement contents control store count counter stage cross-coupled decimal decoder diagram digit DIGITAC edge-triggered edge-triggered flip-flops encoder flip-flop A/B half-adder index register initial input gate input signal instruction execution instruction fetch instruction register jump Karnaugh map loaded machine maximum memory cell microinstruction microprogrammed minimum delay most-significant NAND F number of bits octal operand address operation code output line output of NAND output signal performed phase-A register placed positive-logic q>AS pulse q>BS recirculation path represented RUN FF SCCPB SCQPA serial shift register shown in Fig static RAM step counter subroutine subtraction switch symbol tion trailing edge transfer truth table voltage word write