Description Model: Gigasonic RGS-1214D USB Supported Bijoy Bangla Supported Bangla Alphabet Printed Plug & Play In computing, a computer keyboard is a typewriter-style devicewhich uses an arrangement of buttons or keys to act as mechanical levers or electronic switches. Following the decline of punch cards and paper tape, interaction via teleprinter-style keyboards became the main input method for computers. GIGASONIC Computer Wired USB Keyboard