overhead

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overhead

Nautical the interior lining above one's head below decks in a vessel

overhead

[′ō·vər‚hed]
(chemical engineering)
Pertaining to fluid (gas or liquid) effluent from the top of a process vessel, such as a distillation column.
(computer science)
The time a computer system spends doing computations that do not contribute directly to the progress of any user tasks in the system, such as allocation of resources, responding to exceptional conditions, providing protection and reliability, and accounting.
(industrial engineering)

overhead

(1)
Resources (in computing usually processing time or storage space) consumed for purposes which are incidental to, but necessary to, the main one. Overheads are usually quantifiable "costs" of some kind.

Examples: The overheads in running a business include the cost of heating the building. Keeping a program running all the time eliminates the overhead of loading and initialising it for each transaction. Turning a subroutine into inline code eliminates the call and return time overhead for each execution but introduces space overheads.

overhead

(communications)
information, such as control, routing, and error checking characters, that is transmitted along with the user data. It also includes information such as network status or operational instructions, network routing information, and retransmissions of user data received in error.

overhead

(3)
Overhead transparencies or "slides" (usually 8-1/2" x 11") that are projected to an audience via an overhead (flatbed) projector.

overhead

(1) The amount of processing time used by system software such as the operating system, database manager or network protocols.

(2) In communications, the additional codes transmitted for control and error checking, which take time to process.
References in periodicals archive ?
However, the amount allocated to the various types of project overhead costs depends on the contractor, the method and accuracy of estimation, which influences the final performance of the project.
Another definition describes overhead costs as those that are not a component of the actual construction work but are incurred by the contractor to support the work (Cilensek 1991).
Overhead costs of a company are an important research object for construction economics scientists and analysts.
Later in the opinion, Quince wrote: "The appellants are essentially arguing that, because the electorate agreed to require the counties to pay the overhead costs of those public offices named in subsection(c), they implicitly approved county funding of overhead costs of any other public judicial offices created by the Legislature in the future.
They used mainly absorbing costing, so called traditional cost systems, where were overhead costs allocated by the overhead rates, which reply mainly to the amount of spent labor by the individual goods.
The Machine-dependent manufacturing overhead cost (Mach.
MDT recomputed actual overhead costs on all the work ordered by the Navy at that final rate.
To arrive at a correct estimate to allocate overhead costs, the CPA must have input from the appropriate personnel.
When the overhead costs are added together, (24 percent compliance costs, 33 percent disincentive costs, and 8 percent other costs), they total 65 percent of tax revenue.
The accountant believes that overhead costs are driven by either units of output or machine hours.
To operate profitably in today's competitive retailing environment, energy savings are essential in keeping overhead costs from getting out of control," Gansberg said.
Overhead costs represent all remaining Federal Reserve costs that cannot be charged directly to an output service on a usage basis.