background


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background

1. Art
a. the plane or ground in a picture upon which all other planes or forms appear superimposed
b. the parts of a picture that appear most distant
2. Physics low-intensity radiation as, for example, from small amounts of radioisotopes in soil, air, building materials, etc.
3. Electronics
a. unwanted effects, such as noise, occurring in a measuring instrument, electronic device, etc.
b. (as modifier): background interference

background

[′bak‚grau̇nd]
(communications)
Picture white of the facsimile copy being scanned when the picture is black and white only.
Undesired printing in the recorded facsimile copy of the picture being transmitted, resulting in shading of the background area.
Noise heard during radio reception caused by atmospheric interference or the operation of the receiver at such high gain that inherent tube and circuit noises become noticeable.

background

(operating system)
A task running in the background (a background task) is detached from the terminal where it was started (and often running at a lower priority); opposite of foreground. This means that the task's input and output must be from/to files (or other processes).

Nowadays this term is primarily associated with Unix, but it appears to have been first used in this sense on OS/360.

Compare amp off, batch, slopsucker.

background

(jargon)
For a human to do a task "in the background" is to do it whenever foreground matters are not claiming your undivided attention, and "to background" something means to relegate it to a lower priority. "For now, we'll just print a list of nodes and links; I'm working on the graph-printing problem in the background." Note that this implies ongoing activity but at a reduced level or in spare time, in contrast to mainstream "back burner" (which connotes benign neglect until some future resumption of activity). Some people prefer to use the term for processing that they have queued up for their unconscious minds (often a fruitful tack to take upon encountering an obstacle in creative work).

background

(1) The non-interactive processing in the computer. See foreground/background.

(2) The base, or backdrop color. In order to distinguish any image on screen, whether text or graphics, there must be a contrasting background color.
References in periodicals archive ?
Future plans include further optimizing background tab behavior in Chrome until they reach the goal of complete background tab suspension by 2020.
But to restore recipient's genetic background completely, all the markers dispersing through genome are needed, this increasing the cost, in practical breeding, the genetic background of recipient need not restore entirely, but some certain background traits need restore, the markers closely linked with QTLs related to these traits and the phenotypic information can be used to make MBLUP background selection so that the genetic background could restore.
Founded in 1994, A Matter of Fact specializes in Comprehensive Employment Background Checks and Employee Screening products.
Starting with wealth risk, adding a multiplicative background risk does not affect the optimal output.
Just like a security sign on a front lawn, the job posting or application should emphasize that thorough background checks will be conducted.
When the model controlled for either parent-child relationship factors, psychological well-being or network structure in addition to background characteristics, the association between a recent move and sexual initiation was unchanged.
9 log at week 16 following the optimized background phase of the study.
About 50% of the background events originate in the helium itself and the other half are from high-energy particles scattering in the acrylic in the lightguides.
There is currently no available research in the professional literature about the use of criminal background checks in counselor education programs, nor is there literature identifying the issues related to the use of background checks in counseling programs.
It builds a background for the students that allows them a meaningful entrance into the text, creating a learning space where they can critically engage Lorde's anger and arguments in a much more productive manner.
The parties also agreed that just cause to terminate an employee exists "if it is established that one or more of the findings of the background security check is directly related to his/her job functions or responsibilities, or that the continuation of employment would involve an unreasonable risk to property or to the safety or welfare of specific individuals or the general public or constitute a violation of any applicable governmental rule or regulation.
In compiling this section of the grade card, a review of the documentation showing the level of background checks that was conducted for employees, independent contractors and physicians is performed.