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.
PAAS vs IAAS. Cloud computing is a style of computing in which resources are made available over the internet. Most often these resources are extensible and highly visualized resources and they are provided as a service. Cloud computing is broken down in to few different categories based on the type of service provided.