Kentress Langford Computer science 1.1 PostLab Question. 1. The other ways to use computers is that it has calculator, dictionary,and calendar. 2. RAMs and hard disk are alike in the that they both are forms of storing data they are different in that RAMs are faster and uses electrical currents Hard disks are slower and stores data magnetically on round pattern disks.The advantage of the Rams is that they are faster the disadvantage is that once the computer is turn off you lose your data. The hard disk is slower but because it uses the magnetism approach you still have your data. 3. At least one type of hierarchical organization in the earth is the water system. Creeks into streams, streams into lakes,lakes flow into rivers, rivers into seas, and seas into the oceans.