Hexadecimal

The combination of hardware, software, and controls that form a trusted base that enforces your security policy. The totality of protection mechanisms within a computer system, including hardware, software, and communications equipment, the combination of which is responsible for enforcing a security policy. A TCB consists of one or more components that together enforce a unified security policy over a product or system. The ability of a trusted computing base to correctly enforce a security policy depends solely on the mechanisms within the TCB and on the correct input by system administrative personnel of parameters (such as a user’s clearance) related to the security policy. Totality of protection mechanisms within a computer system, including hardware, firmware, and software, the combination responsible for enforcing a security policy.
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An addressing scheme that uses a value stored in one of the CPU’s registers as the base location from which to begin counting. The CPU then adds the offset supplied with the instruction to that base address and retrieves the operand from the computed memory location.
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A component of an expert system, the knowledge base contains the rules known by an expert system and seeks to codify the knowledge of human experts in a series of “if/then” statements. The part of an expert system that contains specific information and facts about the expert area. Rules that the expert system uses to make decisions are derived from this source.
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Hardware, firmware, and software elements of a trusted computing base implementing the reference monitor concept. Security kernel must mediate all accesses, be protected from modification, and be verifiable as correct. The central part of a computer system (hardware, software, or firmware) that implements the fundamental security procedures for controlling access to system resources. The core set of operating system services that handles all user/application requests for access to system resources.
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A system of computer programs in an expert systems application that uses expert experience as a basis for conclusions. The second major component of an expert system that analyzes information in the knowledge base to arrive at the appropriate decision.
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