November 3, 2022

WIRELESS NETWORKS One of the exciting new developments is the deployment of wireless networks. There are two main types of wireless networks today: Cellular and WIFI. Cellular networks are used primarily for voice coverage along with very limited data capabilities. The main advantage of cellular technology is its long-range capability. In many parts of the […]

Meaning of ICT ethics Ethics is a set of moral principles that govern the behavior of a group or individual. Therefore, ICT ethics is set of moral principles that regulate the use of ICT. Ethics are grounded in the notion of responsibility (as free moral agents, individuals, Organizations, and societies are responsible for the actions

Meaning of a communication network  A communication network can be defined as a set of devices (often referred to as nodes) connected by communication links and is used to transfer information between users located at various geographical points. A communication network can also be defined as a collection of computers, printers and other equipment that

Meaning and importance of computer safety and ergonomics Ergonomics is the science of adapting the job and/or the equipment and the human to each other for optimal safety and productivity. In basic language, ergonomics is the study of fitting the job to the worker rather than the worker to the job. Computer ergonomics therefore means

Attributes/ Skills necessary for Computer Personnel 1. Analytical skills These will enable systems analysts to understand the organization and its functions, which helps him/her to identify opportunities and to analyze and solve problems. 2. Technical skills Will help systems analysts understand the potential and the limitations of information technology. The systems analyst must be able

Meaning of hardware/ software selection and acquisition (check) Hardware and software acquisition is the act of coming into possession of hardware and software solutions in an organization. It can also be referred to as gaining, procuring, securing or obtaining hardware and software. Includes but is not limited to buying, renting and leasing as well as

Historical evolution of computers Abacus 500B.C The abacus, which emerged about 5,000 years ago in Asia Minor and is still in use today, may be considered the first computer. This device allows users to make computations using a system of sliding beads arranged on a rack. Early merchants used the abacus to keep trading transactions.