The word office is derived from the Latin word officium, whose Bengali term is office. Office in general sense is workplace, where people work. Office is needed to run the enterprise. Enterprise used to mean any business, venture or company, but now enterprise means large multinational corporations, universities, hospitals, research laboratories and government institutions, industries. And management means using information and communication technology and control systems to automate processes, so that minimal human intervention is required. Therefore, office management means the secretarial activities of the office through the application of information and communication technology (such as the preparation of necessary documents of the office, documentation and storage of documents, exchange of correspondence, internal and external communication, etc.) Also means done digitally. Automating routine office tasks is the main task of digital office management. Through digital office management efficiency and productivity of office work increases. Previously, office management meant only document management, but digital office management means a paperless office, where activities are completed in the fastest time.
Transmission media: When a PC communicates or wants to communicate with another PC, it has to take the help of some transmission media. The most commonly used media in the network are twisted pair cable, coaxial cable, fiber optic cable. Nowadays, the use of optical fiber is increasing greatly. Radio wave, microwave and infrared technologies are prominent among wireless media. Among these mediums, optical fiber has the highest data transfer speed. The type of medium used in a network depends on the type and location of that network. The connection system for exchanging information between the sender and the remote receiving end is called a channel. The means or methods used to implement the channel are called media. such as-- (i) Cable or wire. (ii) Common telephone lines. (ii) Radio waves. (iv) Microwave. (v) Geo-satellite systems etc. Cable or Wire: Cable is an important medium in data communication. Cables are generally used for data transfer over short range networking such as LAN...
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