There are two instructions that efficiently set a register to zero. List one of them.__ After executing either of those instructions, what is the value of the ZERO flag?__ A "push edx" instruction uses which register implicitly?__ Ecx is implicitly used by which type of instructions?__ For what type of instructions are edi/esi used implicitly?__ The "trap" flag is used to__. Circle one (single-step, enable interrupts, set privilege level)