Fill in the Blanks How does a computer work?Online version In this activity we gonna see how does a computer work by Aitor Zaballa 1 Inside a computer ( hardware ) there are two very important parts to run programs . The first one is the or for short . The CPU is kind of like the of the computer . The CPU helps the computer to read and to follow the that are in the program . ( It is called " Execute a program " ) This program is loaded in the A computer uses its memory to remember which instruction it is . When a computer shows you a picture , it is using its memory . The picture is loaded on . The RAM memory is little tiny electrical circuits called . If we are typing letters and numbers we are using a When we move the mouse on the table or desk we move a around ( the cursor ) Sometimes the mouse does not have a wire , it is a device . A can show us ( display ) the results of an operation or a picture that we want to see . All these different parts work together . It is possible because there is a program , the , that controls all these hardware components .