Social media are platforms that people use to connect all over the world to share and communicate. The platforms can be used to connect families, professionals, friends, people with the same beliefs, and all other concepts that can bring people together with a commonality. The main types of social media are social networks, audio, and…
To understand where and how it benefits users and the world we need first to define what is internet. The internet then is defined as an interconnection of millions of computers or devices connected to communicate and share resources and information. It is a big network made up of many smaller networks. It is made…
Electronic learning (E-learning) also known as online learning is the use of electronic and information communication technology like computers, smartphones, the internet, TV, and other devices to facilitate teaching and learning. E-learning has evolved and has enabled to change of learning from 4-wall classroom learning to an open-time, everywhere kind of learning. It has eliminated…
Computer application software is programs that are written to achieve a specific objective that meets end-user operational needs. They can be designed for a specific functional area such as school management or general purpose like Microsoft Office package. The most common types of computer application software are word processors, spreadsheets, desktop publishers, graphic design, database…
Fiber optic cables are the latest data transmission media. They are also the fastest type of media. The name optic means the use of light transmitted through the cable. Data to be transmitted is converted from electrical signals that the computer produces into light signals by a light-emitting diode to be transmitted along the cable…
Optical disks are cheap secondary storage disk that uses light to read or write data. They are non-volatile storage devices that are mostly used for data backup. The main types of optical disks are CDs, DVDs, and Blu-ray among others. They are used for bootable disks, packaging device drivers, movies, MP3 storage, and computer video…
A web browser is application software that is used for accessing resources from the world wide web (WWW). They enable the user to request the document that is stored on a server to be retrieved and then forwarded to the user on the client’s computer. A web browser is also known as an internet browser….
The computer input devices are used to enter data into a computer from different sources the data is then processed by the computer. Data can be entered by keying, scanning, recording, pointing, touching, and other modes of data entry. Input devices are found in all computing devices. Input devices are used to enter data either…
A digital Camera is an electronic device that uses optical sensors to capture images and sometimes video into digital data. A digital camera is an input device since it captures physical object and converts it into digital data as input. It captures the image and saves them in pixels which determines the quality and clarity…
Data and information are the key components in day to day running of any organization in today’s information age. Data security involves protecting data from theft, unauthorized access, and modification. Information is secured to achieve 3 main objectives namely confidentiality, integrity, and availability of data. The process involves securing all hardware, software, networking devices, and…