I.T

• Information Technology (or IT) helps produce, manipulate, store, communicate, and disseminate information
• People want fast and instant processes in getting their work done in this Era
• Almost every job and profession requires computer and information technology skills
• ICT (Information and Communication Technology) uses computers and digital technologies to handle information
• ICT supports activities involving information gathering, processing, storing, and presenting data
• IT pertains to the industry involving computers, software, and networking to manage information
• Information refers to knowledge obtained from reading, investigation, study, or research
• Tools that transmit information include the telephone, television, and radio
• Communication is the act of transmitting messages through verbal and non-verbal means
• Technology has evolved to improve daily activities and make communication easier and faster
• ICT stresses the role of unified communications and the integration of telecommunications, computers, and necessary software
• ICT refers to the convergence of audio-visual and telephone networks with computer networks
• Data is facts, figures, or instructions presented in a form that can be comprehended, interpreted, and communicated by a human being
• Data presented in a form that can be comprehended, interpreted, and communicated by a human being or processed by a computer
• Information is data presented in readily comprehensible form to which meaning has been attributed within the context of its use
• Knowledge is information that has been comprehended and evaluated in the light of experience and incorporated into the knower's intellectual understanding of the subject
• Information becomes knowledge when combined with other information on the same topic
• Technology is a manner of accomplishing a task especially using technical processes, methods, or knowledge
• Information Technology (IT) describes any technology that helps to produce, manipulate, store, communicate, and/or disseminate information
• IT merges computing with high-speed communications links carrying data, sound, and video
• Examples of information technology include personal computers, new forms of telephones, televisions, appliances, and various handheld devices
• Two important parts of Information Technology are computers and communications
• A computer is a programmable, multiuse machine that accepts data and processes it into information to speed up problem solving and increase productivity
• Communication is an act of transmitting messages
• Communication technology or Telecommunication Technology consists of electromagnetic devices and systems for communicating over long distances
• Cyberspace encompasses the online world, the internet, and the whole wired and wireless world of communications created by computer and communications systems
• The internet is a worldwide computer network connecting hundreds of thousands of smaller networks, linking educational, commercial, nonprofit, and military entities, as well as individuals
• The World Wide Web is an interconnected system of internet computers that support specially formatted documents in multimedia form
• Multimedia technology presents information in more than one medium, such as text, still images, moving images, and sound
• Microcontrollers are tiny, specialized microprocessors installed in smart appliances and automobiles
• Microcomputers are the smallest in size, cheapest, and have the least operational speed and memory capacity, made for single users and single-tasking
• Microcomputers include desktop PCs, tower PCs, notebooks, netbooks, mobile internet devices, and personal digital assistants
• Workstations are powerful personal computers usually used for complex scientific, mathematical, and engineering calculations
• Mainframe Computers are powerful computers typically found in multi-nationals and other large businesses, used for complex tasks
• Supercomputers are the largest, fastest, and most expensive computers with high-capacity machines that can perform more than several trillion calculations per second
• Supers (supercomputers) are used for tasks requiring processing of enormous volumes of data, such as U.S. census count, weather forecasting, aircraft design, molecular modeling, encryption code breaking, and nuclear weapons research
• IBM released "Sequoia," a 20 petaflops supercomputer in 2011, which is equivalent to the power of approximately 2 million laptops
• Servers are central computers that hold data and programs for connecting or supplying services to clients (PCs, workstations, other devices)
• In small organizations, servers can store files, provide printing stations, and transmit email
• In large organizations, servers may also house enormous libraries of financial, sales, and product information