Computer Network and Telecommunication chapter 1
Network and Telecommunicationchapter-1 1. What is communication? The process of transferring data or information between computers is known as communication. 2. What is telecommunication? The communication transferring of data and information over significant distance is known as telecommunication. 3. What is computer network? List any two advantages and disadvantage of it. Computer network is a group of interconnected computer through transmission media in order to communicate and share resource like hardware, data and software. Advantage a. Sharing of hardware devices such as printer, hard disks, CD/DVD drives etc. b. Easy and fast communication. c. Security and fast reliability. Disadvantage a. Data and information may be stolen by computer hackers if the security of network is not reliable. b. Spreading of computer virus. c. Computer on the network has depended on the server computer for resources. 4. Define bandwidth...