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Expansion: the 32-bit half-block is expanded to 48 bits using the expansion permutation, denoted E in the diagram, by duplicating half of the bits. The output consists of eight 6-bit (8 × 6 = 48 bits) pieces, each containing a copy of 4 corresponding input bits, plus a copy of the immediately adjacent bit from each of the input pieces to ...
Given a 6-bit input, the 4-bit output is found by selecting the row using the outer two bits, and the column using the inner four bits. For example, an input " 0 1101 1 " has outer bits " 01 " and inner bits "1101"; noting that the first row is "00" and the first column is "0000", the corresponding output for S-box S 5 would be "1001" (=9), the ...
Thus, from 64 bits in the page table entry, 12 low-order and 12 high-order bits have other uses, leaving 40 bits (bits 12 though 51) for the physical page number. Combined with 12 bits of "offset within page" from the linear address, a maximum of 52 bits are available to address physical memory.
Phar Lap 16-bit DOS extenders.EXP: Unknown (286 and higher only) Yes No No Unknown Unknown No No No P3: Phar Lap 32-bit DOS extenders.EXP: Unknown (386 and higher only) Yes No No Unknown Unknown No No No GEOS PC/GEOS, Geoworks Ensemble, NewDeal Office, Breadbox Ensemble.GEO: Unknown (x86 only) Unknown Unknown No Unknown Un ...
1: anything: Pseudo Denormal. The 80387 and later properly interpret this value but will not generate it. The value is (−1) s × m × 2 −16382 bits 78–64 bits 63–62 bits 61–0; all 1: 00: 0: Pseudo-infinity. The sign bit gives the sign of the infinity. The 8087 and 80287 treat this as Infinity. The 80387 and later treat this as an ...
If signal power is in watts and bit rate is in bits per second, is in units of joules (watt-seconds). N 0 {\displaystyle N_{0}} is the noise spectral density , the noise power in a 1 Hz bandwidth, measured in watts per hertz or joules.
The ISQ symbols for the bit and byte are bit and B, respectively.In the context of data-rate units, one byte consists of 8 bits, and is synonymous with the unit octet.The abbreviation bps is often used to mean bit/s, so that when a 1 Mbps connection is advertised, it usually means that the maximum achievable bandwidth is 1 Mbit/s (one million bits per second), which is 0.125 MB/s (megabyte per ...
Similarly, the most significant bit (MSb) represents the highest-order place of the binary integer. The LSb is sometimes referred to as the low-order bit or right-most bit, due to the convention in positional notation of writing less significant digits further to the right. The MSb is similarly referred to as the high-order bit or left-most bit.