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GATES AND ELEMENTARY LOGIC
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16 bits accumulator address field algorithm arithmetic binary black box block BLUE bubble buffer bus master byte C.mmp called carry carry save adder cell chip circuit clock comparand complement contents control unit copy cycle decimal decoding decrement count digits disk drum effective address eight-bit example execute fetch flag flip-flop four bits full adder gate go to step hardware I/O device index registers input instruction register interrupt jump load logic low-order machine magnetic main memory main store mask memory address memory buffer register microprocessor Microprogramming multiplier node nsec op-code operand operation output partial products pointer processor program counter pulse pushdown stack Question register group reset response store Send shown in Fig signal specify speed storage STROBE subroutine subtract tape transfer transistor truth table two's complement vector word write zero