chad box - definição. O que é chad box. Significado, conceito
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O que (quem) é chad box - definição

COMPUTING JARGON TERM
Write once read never; Bit Bucket; Bit-bucket; Byte bucket; Chad box; Chip box
  • The chip receiver (or "bit bucket")<ref name="Cutler_1964"/> from a [[UNIVAC]] [[key punch]]

chad box         
<hardware> (IBM called this a "chip box") A metal box about the size of a lunchbox (or in some models a large wastebasket), for collecting the chad that accumulated in Iron Age card punches. You had to open the covers of the card punch periodically and empty the chad box. The bit bucket was notionally the equivalent device in the CPU enclosure, which was typically across the room in another great grey-and-blue box. [Jargon File] (1996-11-20)
Bit bucket         
In computing jargon, the bit bucket (or byte bucket) is where lost computerized data has gone, by any means; any data which does not end up where it is supposed to, being lost in transmission, a computer crash, or the like, is said to have gone to the bit bucket – that mysterious place on a computer where lost data goes, as in:
bit bucket         
<jargon> 1. (Or "write-only memory", "WOM") The universal data sink (originally, the mythical receptacle used to catch bits when they fall off the end of a register during a shift instruction). Discarded, lost, or destroyed data is said to have "gone to the bit bucket". On Unix, often used for /dev/null. Sometimes amplified as "the Great Bit Bucket in the Sky". 2. The place where all lost mail and news messages eventually go. The selection is performed according to Finagle's Law; important mail is much more likely to end up in the bit bucket than junk mail, which has an almost 100% probability of getting delivered. Routing to the bit bucket is automatically performed by mail-transfer agents, news systems, and the lower layers of the network. 3. The ideal location for all unwanted mail responses: "Flames about this article to the bit bucket." Such a request is guaranteed to overflow one's mailbox with flames. 4. Excuse for all mail that has not been sent. "I mailed you those figures last week; they must have landed in the bit bucket." Compare black hole. This term is used purely in jest. It is based on the fanciful notion that bits are objects that are not destroyed but only misplaced. This appears to have been a mutation of an earlier term "bit box", about which the same legend was current; old-time hackers also report that trainees used to be told that when the CPU stored bits into memory it was actually pulling them "out of the bit box". Another variant of this legend has it that, as a consequence of the "parity preservation law", the number of 1 bits that go to the bit bucket must equal the number of 0 bits. Any imbalance results in bits filling up the bit bucket. A qualified computer technician can empty a full bit bucket as part of scheduled maintenance. In contrast, a "chad box" is a real container used to catch chad. This may be related to the origin of the term "bit bucket" [Comments ?]. (1996-11-20)

Wikipédia

Bit bucket

In computing jargon, the bit bucket (or byte bucket) is where lost computerized data has gone, by any means; any data which does not end up where it is supposed to, being lost in transmission, a computer crash, or the like, is said to have gone to the bit bucket – that mysterious place on a computer where lost data goes, as in:

The errant byte, having failed the parity test, is unceremoniously dumped into the bit bucket, the computer's wastepaper basket.

Millions of dollars in time and research data gone into the bit-bucket?