Day: July 5, 2021

PRINCIPLE OF DATA COMMUNICATION AND COMPUTER NETWORKS DATA COMMUNICATION Refers to a process of transmitting data signals form one point through the network. Basic Communication Model A Communication model is used to exchange data between two parties. For example: communication Read More …

SYSTEM DOCUMETATION System documentation is information about built solution and acts as a reference for future maintenance or update efforts. A description of a program after it has been developed. It is organized based on system functionality rather than when Read More …

Maintenance and review The process of monitoring, evaluating, and modifying of existing information systems to make required or desirable improvements may be termed as System Maintenance. System maintenance is an ongoing activity, which covers a wide variety of activities, including Read More …

SYSTEM DEVELOPMENT LIFE CYCLE (SDLC) (TRADITIONAL MODEL) This methodology was first developed in the 1960s to manage the large software projects associated with corporate systems running on mainframes. It is a very structured and risk-averse methodology designed to manage large Read More …