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# NAVEDTRA 14185A

### NUMBER SYSTEMS CH 1, 2 ET2 BIBS MAR 2017

Question | Answer |
---|---|

Which year did Blaise Pascal invent the first adding machine? | 1642 |

Which part of a number system tells you the number or symbols that are used in that system? | base |

Which system is the value of a number defined not only by the symbols that are used in that system? | positional notation |

What is the number of times a base is multiplied by itself referred to as? | power |

What is the power called when it is written above and to the right of the base? | exponent |

Which symbol represents one or more complete objects? | whole number |

Which type of number is a symbol representing a portion of an object? | fractional |

Which type of number represents one, o more, complete objects, and some portion of an object? | mixed |

What is the division between whole numbers and fractional numbers referred to as when you use any base other than the decimal system? | radix point |

Which digit in a number has the greatest effect on that number? | most significant digit |

Which form of counting is where one quantity is added to another? | addition |

What is produced when the sum of two or more digits in a vertical column equals or exceeds the base of the number system in use? | carry |

What is the quantity called to which an addend is added? | augend |

What is number call from which another number is to be subtracted? | minuend |

What is the simplest possible number system? | binary |

What is something used to complete something else called? | complement |

How many binary digits is one octal digit the equivalent value of? | three |

Which system uses 16 symbols? | hexadecimal |

What do computer systems use to convert decimal numbers to binary numbers? | additional circuitry |

Which number is a dividend divided by called? | divisor |

What is the number called resulting from the division of one number by another? | quotient |

Which method is the conversion of a decimal number to its base 8 equivalent done? | repeated division |

What is the best method for the conversion of octal numbers to decimal? | positional notation |

Which two purposes was the microprocessor designed for? | data processing and control |

What are the series of electrical pulses called that computers and microprocessors both operate on? | words |

What is defined as the science of reasoning? | logic |

Which type of voltage is used to represent the logic 1 state of a statement? | logic polarity |

What will be used to illustrate all possible input and corresponding output combinations? | truth table |

What are the "decision making" circuits of computers and other types of digital equipment? | logic gates |

Which type of logic gate is a logic circuit that requires all inputs to be true at the same time in order for the output to be true? | AND gate |

Which type of logic device has an output opposite of the input? | inverter |

Which gate is simply an AND gate with an inverter at the output? | NAND |

Who developed Boolean Algebra? | George Boole |

What is a description of the input conditions necessary to get the desired output? | Boolean expression |

What is a term that is true in one part of an expression will be true in all parts of the expression? | law of identity |

Which law is defined as the order in which terms are written does not affect their value? | commutative law |

What is an example of Associative law? | a(bc)= ABC or A+(B+C)= A+B+C |

What is an example of idempotent law? | AA=A, A+A= A |

What is an example of the law of intersection? | 0 (A*1=A, A*0=0) |

What is an example of the law of union? | (A+1=1, A+0=A) |

What is an example of distributive law? | A+(BC)=(A+B)*(A+C) |

What is an example of the law of absorption? | A*(A+B)=A or A+(AB)=A |

Created by:
nng7294