Answer the following multiple-choice questions. Select all correct answers... A processor's MIPS (Millions of Instructions Per Second) rating can be improved by: increasing the clock frequency. increasing the IPC (instructions per cycle) decreasing the number of stall cycles during execution Pipelining in a processor is usually used to: improve performance by enabling higher clock frequencies. improve performance by allowing for overlapping the operation of multiple instructions. decrease power consumption by enabling higher clock frequencies.