Questions

Mutex is a program object that allows multiple program threads to share the same resource, such as file access, but not simultaneously. When a program is started a mutex is created woth a unique name. After this stage, any thread that needs the resource must lock the mutex from other threads while it is using the resource. the mutex is set to unlock when the data is no longer needed or the routine is finished.

This section identifies and describes the five Project Management Process Groups required for any project. These five process Groups have clear dependencies and are performed in the same sequence on each project.

The five Process Groups are :

Initiating  Process Group - Defines and authorizes the project or a project phase

Planning Process Group - Defines and refines objectives, and plans the course of action required to attain the objectives and scope that the project was undertaken to address.

Executing Process Group - Integrates people and other resources to carry out the project management plan for the project

Monitoring and Controlling process Group - Regularly measures and monitors progress to identify variances from the project management plan so that corrective action can be taken when necessary to meet project objectives.

Closing Process Group - Formalizes acceptance of the product, service or result and brings the project or a project phase to an orderly end.

The federal government debt is equal to the sum of past budget deficits minus the sum of past budget surpluses.

Visceral muscle is another name for Smooth muscle.

During the light reactions of photosynthesis the energy from sunlight is absorbed by the pigment chlorophyll present in the chloroplasts of the leafs.