Matching Pairs computingOnline version Parts of a Computer by Cristopher Alexander 1 Device of the computer that is handled with one hand and allows to direct the movement of the pointer on the screen 2 It is an input device or peripheral that allows us to write 3 Is the main output device that displays data or information to the user. 4 s the unit where the program instructions are executed and the operation of the computer is controlled 5 Serve to listen to music or any sound that produces the computer