An Executive's Guide to Information Technology: Principles, by Robert Plant, Stephen Murrell

By Robert Plant, Stephen Murrell

Assessing the main necessary expertise for a company is turning into a growing to be problem for company pros faced with an increasing array of suggestions. This publication is an A-Z compendium of technological phrases written for the non-technical government, permitting quickly identity of what the time period is and why it really is major. this is often greater than a dictionary - it's a concise evaluate of crucial points of knowledge know-how from a company standpoint: the key benefits, risks and enterprise worth propositions of every time period are mentioned, in addition to assets for extra interpreting, and cross-referencing with different phrases the place appropriate. the fundamental components of every proposal are coated in a succinct demeanour so the reader can quick receive the mandatory wisdom with out wading via exhaustive descriptions. With over two hundred phrases, it is a precious reference for non- and semi-technical managers, executives and graduate scholars in company and expertise administration.

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These include fingerprint systems for doors, computers, and any device that can be loaded with software and connected to a USB fingerprint reader. The use of facial recognition biometric systems provides a convenient, cost-effective mechanism for the provision of a high level of security. Other biometric systems such as iris recognition, hand geometry, signatures, and voice prints are developing in their levels of reliability and acceptance. Summary of positive issues Biometric technologies have matured and ‘‘smart cards” with photographic biometric and cryptographic technologies are now required by agencies such as the US government’s federal agencies for personnel identification (Homeland Security Presidential Directive 12).

The meaning of the symbol is completely context-dependent: it could represent ‘‘no/yes,” ‘‘off/on,” ‘‘the number I am thinking of is less than/not less than 1024,” or the resolution of any other dilemma. Usually a single bit is just part of a larger communication, but any information can be represented as a series of 0s and 1s (see ASCII, Binary). Information quantity is always measured in bits and the usefulness or carrying capacity of any channel of information is known as its Bandwidth and is measured in bits per second.

Typically the backing up of data is considered through a process known as Information lifecycle management (ILM) in which the data is guided all the way from creation to disposal through a series of processes and technologies that support the value and nature of the data at each point in time. For example, transactional data may be archived incrementally (only the changes are archived) to a backup tape server until the data is extracted from the transactional data, transformed and then 25 Bandwidth loaded into a data warehouse, at which point the data may be backed up incrementally onto tapes and these removed to another location for safe keeping.

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