The unit that may acts as an interface between the Front end and the Out of order execution engine in the pipeline flow is

Quiz questions on features, instruction set, memory sytem, hyperthreading and branch prediction of pentium 4 processor.
Pentium 4 is a series of single-core CPUs for desktops, laptops and entry-level servers manufactured by Intel. The processors were shipped from November 20, 2000 until August 8, 2008. It was removed from the official price lists starting in 2010, being replaced by Pentium Dual-Core.