FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -System software – it is designed to run a computer’s hardware and application software, and make the computer system available for use. It serves as the interface between hardware, application software, and the user.

Detailed explanation-2: -Operating System (OS)-a set of programs that manage computer hardware resources and provide common services for application software. The operating system acts as an interface between the hardware and the programs requesting I/O.

Detailed explanation-3: -Card reader, controller, modem, network card, sound card, printer, video card, USB devices, RAM, Speakers, etc need Device Drivers to operate.

Detailed explanation-4: -In computer hardware, a port serves as an interface between the computer and other computers or peripheral devices. In computer terms, a port generally refers to the part of a computing device available for connection to peripherals such as input and output devices.

Detailed explanation-5: -To communicate with the outside world microcomputers use peripherals (I/O devices). Commonly used peripherals are: A/D converter, D/A converter, CRT, printers, Hard disks, floppy disks, magnetic tapes etc. Peripherals are connected to the microcomputer through electronic circuits known as interfacing circuits.