| 摘要 |
PURPOSE:To obtain an extremely high-accuracy random number as well as to realize a random number generating system featuring the simplified circuit constitution by making good use of the arithmetic circuit which is not used under the non- operation state. CONSTITUTION:Control part 3 puts flip-flop circuit 12 under the set state in case the arithmetic part which performs the four rules of arithmetic based on the data memorized in the memory part memorizing the plural data is under the non-operation state, and thus signal ''1'' sent from code generation part 11 is supplied to input terminal (a) of arithmetic circuit 10. Then ''1'' is added to the contents of shift register 14 to be supplied input terminal (b) thus to secure the sequential addition of ''1'' with every word time. When the register key is operated to start the operation, the addition of ''1'' is stopped, with restart of addition of ''1'' secured after end of the order. The result of such addition is delivered in the form of the random number via operation of the ''RAN'' key. |
