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  2. Comparison of instruction set architectures - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_instruction...

    An architecture may use "big" or "little" endianness, or both, or be configurable to use either. Little-endian processors order bytes in memory with the least significant byte of a multi-byte value in the lowest-numbered memory location. Big-endian architectures instead arrange bytes with the most significant byte at the lowest-numbered address.

  3. Endianness - Wikipedia

    en.wikipedia.org/wiki/Endianness

    For instance, the 32-bit desktop-oriented PowerPC processors in little-endian mode act as little-endian from the point of view of the executing programs, but they require the motherboard to perform a 64-bit swap across all 8 byte lanes to ensure that the little-endian view of things will apply to I/O devices. In the absence of this unusual ...

  4. Motorola 68000 - Wikipedia

    en.wikipedia.org/wiki/Motorola_68000

    The Motorola 68000 (sometimes shortened to Motorola 68k or m68k and usually pronounced "sixty-eight-thousand") [2] [3] is a 16/32-bit complex instruction set computer (CISC) microprocessor, introduced in 1979 by Motorola Semiconductor Products Sector.

  5. SuperH - Wikipedia

    en.wikipedia.org/wiki/SuperH

    The SH-3 was bi-endian, running in either big-endian or little-endian byte ordering. The SH-3 core also added a DSP extension, then called SH-3-DSP. With extended data paths for efficient DSP processing, special accumulators and a dedicated MAC-type DSP engine, this core unified the DSP and the RISC processor world. A derivative of the DSP was ...

  6. Digital TV transition: 46.2 million converter boxes later ...

    www.aol.com/news/2010-06-11-digital-tv...

    The digital TV transition went live almost a year ago on June 12, 2009, when the FTC flipped the switch and turned off the analog television signals that many consumers relied on for entertainment.

  7. SPARC - Wikipedia

    en.wikipedia.org/wiki/SPARC

    The endianness of the 32-bit SPARC V8 architecture is purely big-endian. The 64-bit SPARC V9 architecture uses big-endian instructions, but can access data in either big-endian or little-endian byte order, chosen either at the application instruction (load–store) level or at the memory page level (via an MMU setting). The latter is often used ...

  8. Double-precision floating-point format - Wikipedia

    en.wikipedia.org/wiki/Double-precision_floating...

    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

  9. TI MSP430 - Wikipedia

    en.wikipedia.org/wiki/TI_MSP430

    Memory is byte-addressed, and pairs of bytes are combined little-endian to make 16-bit words. The processor contains 16 16-bit registers, [16] of which four are dedicated to special purposes: R0 is the program counter, R1 is the stack pointer, R2 is the status register, and R3 is a "constant generator" which reads as zero and ignores writes ...

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