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英文字典中文字典相关资料:


  • ASCII - Wikipedia
    The committee considered an eight-bit code, since eight bits (octets) would allow two four-bit patterns to efficiently encode two digits with binary-coded decimal However, it would require all data transmission to send eight bits when seven could suffice
  • Twos complement - Wikipedia
    Two's complement is the most common method of representing signed (positive, negative, and zero) integers on computers, [1] and more generally, fixed point binary values As with the ones' complement and sign-magnitude systems, two's complement uses the most significant bit as the sign to indicate positive (0) or negative (1) numbers, and nonnegative numbers are given their unsigned
  • Balanced ternary - Wikipedia
    Certainly, in the decimal and binary, we may omit the rightmost trailing infinite 0s after the radix point and gain a representations of integer or terminating fraction But, in balanced ternary, we can't omit the rightmost trailing infinite −1s after the radix point in order to gain a representations of integer or terminating fraction
  • Double-precision floating-point format - Wikipedia
    Double-precision binary floating-point is a commonly used format on PCs, due to its wider range over single-precision floating point, in spite of its performance and bandwidth cost It is commonly known simply as double The IEEE 754 standard specifies a binary64 as having: Sign bit: 1 bit Exponent: 11 bits Significand precision: 53 bits (52 explicitly stored) The sign bit determines the sign
  • Half-precision floating-point format - Wikipedia
    In computing, half precision (sometimes called FP16 or float16) is a binary floating-point computer number format that occupies 16 bits (two bytes in modern computers) in computer memory It is intended for storage of floating-point values in applications where higher precision is not essential, in particular image processing and neural networks Almost all modern uses follow the IEEE 754-2008
  • Positional notation - Wikipedia
    Glossary of terms used in the positional numeral systemsPositional notation, also known as place-value notation, positional numeral system, or simply place value, usually denotes the extension to any base of the Hindu–Arabic numeral system (or decimal system) More generally, a positional system is a numeral system in which the contribution of a digit to the value of a number is the value of
  • Binary angular measurement - Wikipedia
    Binary angular measurement (BAM) [1] (and the binary angular measurement system, BAMS[2]) is a measure of angles using binary numbers and fixed-point arithmetic, in which a full turn is represented by the value 1
  • Gray code - Wikipedia
    The reflected binary code (RBC), also known as reflected binary (RB) or Gray code after Frank Gray, is an ordering of the binary numeral system such that two successive values differ in only one bit (binary digit) For example, the representation of the decimal value "1" in binary would normally be " 001 ", and "2" would be " 010 " In Gray code, these values are represented as " 001 " and





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