Fill in the Blanks AlgorithmsOnline version Fill in the gaps by Julie Skeats 1 variable memory Algorithms constant variable have values that can be or . These values are stored in a location and can be changed , depending on the output that is needed . For example , the main content for a sandwich could be cheese or jam . In this case 'main ingredient' would be a value which is . You could require one sandwich or 57 sandwiches . This would be another variable .