In registering and particularly in PC equipment, a controller is a chip, a development card, a remain solitary gadget that interfaces with a fringe gadget. This might be a connection between two sections of a PC, a controller on an outer gadget that deals with the operation of that gadget. The following is an another definition. A controller, in a processing setting, is an equipment gadget or a product program that oversees or coordinates the stream of information between two substances. In registering, controllers might be cards, microchips or separate equipment gadgets for the control of a fringe gadget. In a general sense, a controller can be considered as something or somebody that interfaces between two frameworks and oversees interchanges between them.

The following are the various controllers. Logic Controllers let characterize the request of handling solicitation in a Thread. Rationale Controllers decide the request in which client demand are executed. The accompanying are the regular utilized controllers. The following are the various controllers. Include Controller is intended to utilize an outside test arrange. To control to what extent its sub elements are permitted to run. To quantify the general time taken to complete a test execution

The Loop Controller makes the samplers keep running as a specific number of times, notwithstanding the circle esteem you indicated for the Thread Group. The following is an example structure.

• The grapic card is the best example for the controller.
• The logical Controllers decide the request in which Samplers are prepared.
• Circle Controller makes a circumstance where client ask for runs either for constrained time or until the end of time.