Which three message types are valid PIMv2 message types？（） A: Register B: Register-Stop C: Join/Prune D: Reject E: Register-Prune F: Register-Join

latch与register的区别，为什么现在多用register？

If the storage type of a variable is , the compiler allocates memory only when the variable is referred?? register or static|extern or register|auto or register|auto or static

to register

instruction register

（ ）we fail, we trying（ ）. A: Even if, will not stop,Even though, will stop,Even, will not stop,Even if, will not stop to

You’re very tired. You’d better ___. A: stop to working B: stop working C: to stop to work D: stop to work

Assume the BC register value is 8538H, and the DE register value is 62A5H.Find the value of register BC after the following assembly operations: MOV A,C SUB E MOV C,A MOV A,B SBB D MOV B,A

If it is green light you can ,the red light you should .( ) A: go ;stop B: stop ;stop C: stop,go D: go;go

RS0 and RS1 are ( ) A: not<br/>a part of the PSW as these are not the flags B: part<br/>of the register bank C: PS4<br/>and PSW.5 respectively for selecting the register bank in the PSW D: PS3<br/>and PSW.4 respectively for selecting the register bank in the PSW