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  2. Two's complement - Wikipedia

    en.wikipedia.org/wiki/Two's_complement

    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. Two's complement uses the binary digit with the greatest value as the sign to indicate whether the binary number is positive or negative; when the most significant bit is 1 the number is signed as negative and when the most ...

  3. Overflow flag - Wikipedia

    en.wikipedia.org/wiki/Overflow_flag

    An example, suppose we add 127 and 127 using 8-bit registers. 127+127 is 254, but using 8-bit arithmetic the result would be 1111 1110 binary, which is the two's complement encoding of −2, a negative number. A negative sum of positive operands (or vice versa) is an overflow.

  4. Atmel AVR instruction set - Wikipedia

    en.wikipedia.org/wiki/Atmel_AVR_instruction_set

    V Overflow flag. Set in case of two's complement overflow. S Sign flag. Unique to AVR, this is always N⊕V, and shows the true sign of a comparison. H Half-carry flag. This is an internal carry from additions and is used to support BCD arithmetic. T Bit copy. Special bit load and bit store instructions use this bit. I Interrupt flag. Set when ...

  5. Signed number representations - Wikipedia

    en.wikipedia.org/wiki/Signed_number_representations

    Addition of a pair of two's-complement integers is the same as addition of a pair of unsigned numbers (except for detection of overflow, if that is done); the same is true for subtraction and even for N lowest significant bits of a product (value of multiplication). For instance, a two's-complement addition of 127 and −128 gives the same ...

  6. Year 2038 problem - Wikipedia

    en.wikipedia.org/wiki/Year_2038_problem

    Unix time has historically been encoded as a signed 32-bit integer, a data type composed of 32 binary digits (bits) which represent an integer value, with 'signed' meaning that the number can represent both positive and negative numbers, as well as zero; and is usually stored in two's complement format.

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    mail.aol.com

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  8. Elizabeth Warren is pushing Trump to establish conflict-of ...

    www.aol.com/elizabeth-warren-pushing-trump...

    Warren called any lack of rules an "invitation for corruption on a scale not seen in our lifetimes." Musk is set to play an influential role in Trump's second term as a co-lead for the DOGE.

  9. Carry flag - Wikipedia

    en.wikipedia.org/wiki/Carry_flag

    If 11111111 represents two's complement signed integer −1 (ADD al,-1), then the interpretation of the result is -2 because Overflow_Flag is clear, and Carry_Flag is ignored. The sign of the result is negative, because Sign_Flag is set. 11111110 is the two's complement form of signed integer −2.