The difference between the actual number and the nearest representable value.
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Abstract data type (ADT)
A data type whose properties are specified independently of any particular programming language.
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Baud rate
The rate at which signals on a wire may change.
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Broadband
A multiple data channel system in which the bandwidth of the transmission medium carries several data streams at the same time.
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Composition
A type of association where the composite object has ownership of the objects within it. The objects that are part of the composite objects have a lifecycle determined by the composite object. If the composite object ceases to exist then they too wil
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Database management system
A software system that enables the definition, creation and maintenance of a database and which provides controlled access to this database.
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Finite state machine
A finite state machine is a model of computation for a machine that is always in one of a fixed number of states. The state of the machine can be changed according to transition rules, based upon the input that it receives and its current state.
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Gateway
A device used to connect networks using different protocols so that information can be successfully passed from one system to another.
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Inheritance
The relationship between two object types in which one is a kind of the other and shares some of its properties or behaviours.
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Instantiation
An object is defined based on a class.
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Internet
A global wide area network that is formed from the interconnection of many other networks and that uses the TCP/IP protocol.
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Interpreter
An interpreter works its way through a set of source code instructions identifying the next instruction and then running routine(s) to execute it, before moving on to the next instruction.
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Operating system role
To manage the hardware resources in order to provide for an orderly and controlled allocation of the processors.
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Router
A device that receives packets or from one host (computer) or router and uses the destination IP address that they contain to pass them correctly formatted, to another host (computer) or router.
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Tuple
A set of attribute values in a database.
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Wireless network
Any type of local area network (LAN) in which the nodes (computers or computing devices, often portable devices) are not connected by wires but use radio waves to transmit data between them.
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Worm
A small program that exploits a network security weakness (security hole) to replicate itself through computer networks.
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Other cards in this set
Card 2
Front
A data type whose properties are specified independently of any particular programming language.
Back
Abstract data type (ADT)
Card 3
Front
The rate at which signals on a wire may change.
Back
Card 4
Front
A multiple data channel system in which the bandwidth of the transmission medium carries several data streams at the same time.
Back
Card 5
Front
A type of association where the composite object has ownership of the objects within it. The objects that are part of the composite objects have a lifecycle determined by the composite object. If the composite object ceases to exist then they too wil
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