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pentium 音标拼音: [p'ɛntiəm] n. pentium5(P5)俗称586
n. Intel公司的 pentium5(P5)俗称586Intel公司的 It has two 32-bit 486-type integer {pipelines} with dependency checking. It can execute a maximum of two instructions per cycle. It does pipelined {floating-point} and performs {branch prediction}. It has 16 {kilobytes} of on-chip {cache}, a 64-bit memory interface, 8 32-bit general-purpose {registers} and 8 80-bit {floating-point} registers. It is built from 3.1 million transistors on a 262.4 mm^2 die with ~2.3 million transistors in the core logic. Its {clock rate} is 66MHz, heat dissipation is 16W, integer performance is 64.5 {SPECint92}, {floating-point} performance 56.9 {SPECfp92}. It is called "Pentium" because it is the fifth in the 80x86 line. It would have been called the 80586 had a US court not ruled that you can't trademark a number. The successors are the {Pentium Pro} and {Pentium II}. The following Pentium variants all belong to "x86 Family 6", as reported by "Microsoft Windows" when identifying the CPU: Model Name 1 Pentium Pro 2 ? 3 Pentium II 4 ? 5, 6 Celeron or Pentium II 7 Pentium III 8 Celeron uPGA2 or Mobile Pentium III A {floating-point division bug (ftp://ftp.isi.edu/pub/carlton/pentium/FAQ)} was discovered in October 1994. [Internal implementation, "Microprocessor Report" newsletter, 1993-03-29, volume 7, number 4]. [Pentium based computers, PC Magazine, 1994-01-25]. (2003-09-30) Pentium: n. The name given to Intel's P5 chip, the successor to the 80486. The
name was chosen because of difficulties Intel had in trademarking a number. It suggests the number five (implying 586) while (according to Intel) conveying a meaning of strength “like titanium”. Among hackers, the plural is frequently ‘pentia’. See also Pentagram Pro.Intel did not stick to this convention when naming its P6 processor the Pentium Pro; many believe this is due to difficulties in selling a chip with “hex” or “sex” in its name. Successor chips have been called Pentium II, Pentium III, and Pentium IV.
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