HEALTH AND SAFETY ISSUES IN A COMPUTER

HEALTH AND SAFETY ISSUES IN A COMPUTER ENVIRONMENT (ERGONOMICS) Ergonomics is the science of matching workplace conditions and job demands to the capabilities of the working population. An effective and successful match assures high productivity, avoidance of illness and injury, Read More …

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DATA SECURITY NOTES

DATA SECURITY THREATS AND HAZARDS TO DATA The following are among the threats to data security: 1 . Data may get lost or damaged during a system crash – especially one affecting the hard disk 2. It can be corrupted Read More …

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DATA PROCESSING NOTES

DATA PROCESSING DATA AND DATA PROCESSING Data are raw, unprocessed and unorganized (unstructured) facts and figures relating to business activity. Data by itself has no meaning until when related data are brought together. Example is the no of items sold, Read More …

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BASIC COMPUTER NETWORKING NOTES

BASIC COMPUTER NETWORKING Definition of a Computer Network A computer network refers to a group of two or more computers or other hardware devices connected/linked together for purposes of sharing resources, such as files, programs, printers etc. The computers on Read More …

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