These transactions are recorded in the general journal first, and typically include more information than is included in the accounting ledger; the balance of each account is not included. As in the accounting ledger, however, the credits and debits listed in the general journal must total zero.
Grid Computing is a form of distributed system with non-interactive workloads. Utility Computing is a business model where computing resources are metered. Cloud Computing is a form of utility computing that allows developers to develop, deploy and run applications.
Folks don't know what the cloud is, and for the most part, that's not their fault. Unlike the Internet, which truly is a single network of interconnected resources, the cloud is more of a concept, one which can be leveraged by marketing departments to mean just about anything.