bare metal environmentinstalling a virtualization hypervisor as the first layer of software on a system, before any operating system. Compare to hosted environment.
bare-metalThe term bare-metal refers to the underlying physical architecture of a computer.
barewordA word sufficiently ambiguous to be deemed illegal under use strict 'subs'. In the absence of that stricture, a bareword is treated as if quotes were…
Barrage JammingSimultaneous electronic jamming over a broad band of frequencies.
baseOne of the components of nucleosides, nucleotides and nucleic acids . Four different bases are found in naturally occurring DNA - the purines A (adenine )…
base address1. An address that is used as the origin in the calculation of addresses in the execution of a computer program. [From Weik '96] 2.
base caseA non-recursive route through a recursive method.
base classA generic "object" type; that is, a "class" from which other, more specific classes are derived genetically by "inheritance".
base communications (basecom)Communications services, such as the installation, operation, maintenance, augmentation, modification, and rehabilitation of communications networks…
base Earth stationAn Earth station in the fixed-satellite service or, in some cases, in the land mobile-satellite service, located at a specified fixed point or within a…
base keyA key used to derive (to compute cryptographically) or to decrypt transaction keys. [After X9.24]
base mapA map containing geographic features used for location reference. Roads, for example, are commonly found on base maps.
Base ProgramThe base program is the program described in the Future Years Defense Program base file, when updated to conform to the budget presented to Congress in…
base standardA standard or specification that is recognized as appropriate for normative reference in a profile by the body adopting that profile, but is not a profile…
Base StationA computer which accepts radio signals from ALERT gaging sites, decodes the data, places the data in a database, and makes the data available to other…
base tableA table that is physically stored in the database. Compare with view.
base typeThe type of items which may be stored in an array - the array's defined type. For instance, in int[] numbers; the base type of numbers is int.
Base YearA reference period, which determines a fixed price level for comparison in economic escalation calculations and cost estimates.
Base64It is a method of encoding arbitrary binary data as ASCII text. This is necessary for sending files via Internet email, which can only handle 7-bit ASCII…
basebandThe original band of frequencies produced by a transducer, such as a microphone, telegraph key, or other signal-initiating device, prior to initial…
baseband local area networkA local area network in which information is encoded, multiplexed, and transmitted without modulation of carriers.
baseband modulationIntensity modulation of an optical source, e.g., LED or ILD, directly, without first modulating the signal of interest onto an electrical carrier wave.
baseband signalingTransmission of a digital or analog signal at its original frequencies; i.e., a signal in its original form, not changed by modulation.
baselineAn initial measurement that is taken at an early time point to represent a beginning condition, and is used for comparison over time to look for changes.
Baseline Comparison System (BCS)A current operational system, or a composite of current operational subsystems, which most closely represents the design, operational, and support…
Baseline ConditionsThe natural and human environmental conditions, which are present prior to implementation of a program and against which impacts are assessed.
Baseline Cost Estimate (BCE)A detailed estimate of acquisition and ownership costs normally required for highlevel decisions.
Baseline SecurityThe minimum security controls required for safeguarding an IT system based on its identified needs for confidentiality, integrity and/or availability…
baseline transferA complete transfer of a source volume to a mirror volume. The process involves establishing a TCP connection between the mirror and the source and…
BaseliningMonitoring resources to determine typical utilization patterns so that significant deviations can be detected.
BasemapThe necessary GIS layers properly symbolized to create a common looking digital map of the District of Columbia.
basic accessA characterization of a simple standardized combination of access channels that constitute the access arrangements for the majority of ISDN users…
Basic authenticationAuthentication protocol supported by most Web servers and browsers. Transmits the user name and password in clear text.
basic callA call between two users that does not include additional features (e.g., a plain telephone call).
basic call process (BCP)The sequence of activities used in processing a basic call attempt. [T1.667-1999]
basic componentA component that is identifiable at the lowest hierarchical level of specification produced during Detailed Design [ITSEC].
Basic DiskA basic disk is a physical disk that can be accessed by MSâÂÂDOS and all Windows-based operating systems.
basic mode link controlControl of data links by use of the control characters of the 7-bit character set for information processing interchange as given in ISO Standard 646-1983…
basic monitoringMonitoring of AWS-provided metrics derived at a 5-minute frequency.
basic rate interface (BRI)An ITU-T Integrated Services Digital Network (ISDN) multipurpose user interface standard that denotes the capability of simultaneous voice and data…
basic serviceA pure transmission capability over a communication path that is virtually transparent in terms of its interaction with customer-supplied information. 2.
basic service element (BSE)An optional unbundled feature, generally associated with the basic serving arrangement (BSA), that an enhanced-service provider (ESP) may require or find…
basic serving arrangement (BSA)The fundamental tariffed switching and transmission (and other) services that an operating company must provide to an enhanced service provider (ESP) to…
basic statusIn data transmission, the status of the capability of a secondary station to send or receive a frame containing an information field.
Bastion HostA bastion host is typically a firewall implemented on top of an operating system that has been specially configured and hardened to be resistant to attack.
batchA group of documents treated as a unit for a specific process
batch processingThe processing of a large amount of data, or multiple records, in a single step.
Bates stampingA technique to mark documents with a unique identification code as they are processed Also referred to as Bates numbering.
Battelle, JohnPopular search and media blogger who co-founded The Industry Standard and Wired, and authored a popular book on search called The Search.
BatteryA beating or wrongful physical violence. The threat to use force is an "assault;" the actual use of force is a battery, which usually includes an assault.
Battle Damage Assessment (BDA)The estimate of damage resulting from the application of military force against a predetermined objective.
Battle DebrisBattle Debris are the fragments produced by the hypervelocity collision of an interceptor with a ballistic missile, post-boost vehicle, or reentry…
Battle Group(1) Domains into which the battle space is partitioned. (2) A data processing approach implemented in the battle management computer, which minimizes the…
Battle IntegrationPreplanning processes and/or real-time coordination that occur to minimize resource wastage between battle tiers or battle partitions. 30
Battle Management (BM)Battle management is comprised of two parts: strategies and the collection of tasks to be performed to successfully implement chosen strategies.
Battle Management SystemThe hub of the command and control process. It consists of computer hardware and software that integrates elements of the command and control system into…
Battle Management System ConfigurationThe battle management elements currently in the system together with their locations, connectivity and currently activated modes of operation.
Battle ManagerThe automated set of hardware and software equipment that performs the battle management functions at an element.
Battle PlanOne of a set of BMD operational approaches to counter a ballistic missile attack.
Battle SpaceA characterization of the BMD area of operation generally expressed by Tier (Boost, Post-Boost, Midcourse, and Terminal). (USSPACECOM)
Battle Space PartitioningAssignment of management, sensing, control and firing responsibilities to specific platforms/facilities within the deployed constellation of…
Battlefield Coordination ElementAn Army liaison provided by the Army component commander to the Air Operations Center (AOC) and/or to the component designated by the joint force…
Battlefield Coordination Element (BCE)An Army liaison provided by the Army component commander to the Air Operations Center (AOC) and/or to the component designated by the joint force…
baud (Bd)A unit of modulation rate. Note: One baud corresponds to a rate of one unit interval per second, where the modulation rate is expressed as the reciprocal…
Baud RateThe number of times per second a communications channel changes the carrier signal it sends on a phone line.
Baudot codeA synchronous code in which five equal-length bits represent one character. Note 1: The Baudot code, which was developed circa 1880, has been replaced by…
BCH codeAbbreviation for Bose-Chaudhuri-Hochquenghem code. A multilevel, cyclic, error-correcting, variable-length digital code used to correct errors up to…