| 单词 | octal |
| 例句 | “You’d punch one number wrong into a card, and you got a bunch of wasted paper … just a bunch of octal numbers that didn’t mean anything.” Celebrating the Engineers behind the First Moon Landing 2019-07-12T04:00:00Z Some machines were decimal, others binary and others used octal or hexadecimal schemes. Bringing computer history to life 2015-01-15T05:00:00Z The first bit of octal digit 2 is the indirect address bit. Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) October, 1960 Once upon a time, these magic numbers were PDP-11 branch instructions that skipped over header data to the start of executable code; the 0407, for example, was octal for `branch 16 bytes relative'. The Jargon File, Version 2.9.10, 01 Jul 1992 The left half of these registers is available for the storage of constants, tables, etc., when octal digits 7 through 11 act as index registers. Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) October, 1960 The contents of octal digits 0-5 of the index register location are unaffected by this instruction. Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) October, 1960 The octal digits 0 and 1 define the instruction code, thus, there are 64 possible instruction codes, not all of which are used. Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) October, 1960 The contents of octal digits 0-5 of the index register location are unaffected by this instruction. Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) October, 1960 Their addresses are specified by octal digits 3 to 5 of the instruction word. Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) October, 1960 Communication is done completely via the typewriter in either octal numbers, decimal numbers, or alphanumeric codes. Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) October, 1960 The instruction base address, Y, is in octal digits 7 through 11. Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) October, 1960 Instead, it is used to locate a memory register whose contents in octal digits 7 through 11 will be used as the address of the original instruction. Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) October, 1960 Normally, the machine would require 36 bits or 12 octal digits to be written for each instruction used in the machine. Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) October, 1960 |
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