Unilar to the neras an2.AnophicalFill in the blanks.1. A computer keyboard is similarard is similar to the keyboards of electronica luses a light beam instead of a rotating ball to detect movement.leecuines is an input device used for direct data entry from the source document inthe computer system.Bor Cois a set of lines of varying thickness that denote a number representiparticular product.M Cis a device that scans or goes through the text, character by characAnL eis an output device that is used for display in portable computers.or true and 'F' for false against each of the following statements.d is one of the main and the most commonly used input devicesin a computer.nouse is a small device used to point to any place on the screen.OMR can read information in the form of numbers or letters and put itinto the computer.4. Drum scanners provide high resolution and are used when a scanned imahas to be compressed.6. AWrite 'T' for true and 'F' for falsC.1.and Output Devices​