A computer is an electronic machine capable of accepting data, processing data arithmetically and logically, producing output from the processing, and storing the results for future use.
Computer hardware is the physical component of computers and related devices. There inlude major types of computer hardware devices as:- Input devices, Processing devices, Storage devices, Output devices and Communication devices.
Computer Softwares are programs, instructions, applications within the computer system control and manage the computer's operations. Programs are meant to perform, execute different types of tasks within the computer.
Computer network is a group of computers and devices interconnected by communications channels that facilitate communications among users and allows users to share resources.
Programming language is a coded syntax used by computer programmers to communicate with a computer. Computer language establishes a flow of communication between software programs.
Database Management System (DBMS) is a special software system programmed to know which data elements each user is authorized to access and deny unauthorized requests of data.