Category: Study Notes

Data Communication and Networking Notes – OSI, TCP/IP Model

Data Communication  and Networking Notes – OSI, TCP/IP Model Data Communication is the exchange of data between two devices via some form of transmission medium such as wire cable.Communication can be defined as the exchange of information between one group or person and another group or person. This communication can be between people within the […]

Introduction to Computer Security – Information Technology Services

COMPUTER SECURITY Security : “Data or information security is the protection of data against accidental or intentional, destruction, disclosure or modification”. Computer data Security refers to the technological safeguards and managerial procedure which can be applied to computer hardware, software and data to ensure that organizational and individual privacy are protected. Computer Security : Computer security can […]