TOTAL COST OF OWNERSHIP (TCO) is a model developed by Gartner Group to analyze the direct and indirect costs of owning and using hardware and software. Managers of enterprise systems use various versions of TCO to lower costs while increasing the benefits of information technology deployments. The TCO includes: original cost of the computer and software, hardware and software upgrades, maintenance, technical support, and training. Most estimates place the TCO at about 3 to 4 times the actual purchase cost of the PC.
INBR see INCURRED BUT NOT REPORTED; could also mean Insurance Broker.
SELF-CHECKING DIGIT is where an extra digit is added to a number. The extra digit is computed from the other digits in the number. The computer program can then check input by recomputing and comparing the check digit. This is a useful control over the input of account numbers.
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