已有MOVAL，INF[BP+SI]与MOVAL，ES：INF[BP+SI]两条指令，试问：其源操作数采用何种寻址方式？是字或是字节操作？两条指令有何区别？

[单选题]float(&39;inf&39;)<float(&39;inf&39;)+1执行后的结果A．TrueB．False

[单选题] The function of （72） is to convert information from one physical representation to digital electrical signals.（72）A． I/O devicesB． diskC． memoryD． CPU

[问答题] 简述下面两条指令分别是什么语法错误？MOV[BX]，[SI]MOVAX，DL

[单选题]It is often difficult to get correct information on campus crime because some colleges 。A． receive too many visitorsB． mirror the rest of the nationC． hide the truth of campus crimeD． have too many watchdog groups

[单选题] Estimating activity durations uses information on activity scope of （74）,required resource types, estimated resource quantities, and resource calendars.（74）A． milestoneB． baselineC． qualityD． work

[试题](b) Briefly explain the two types of informal communication known as the grapevine and rumour. (6 marks)

[单选题]对于以下程序段： AGAIN：MOV AL，[SI] MVO ES：[DI]，AL INC SI INC DI LOOP AGAIN也可以用下列指令( )完成同样的功能。A．REP MVOSBB．REP LODSBC．REP STOSBD．REP ESCASB

[单选题]对于以下程序段：AGAIN: MOV AL，[SI] MVO ES：[DI]，AL INC SI INC DI LOOP AGAIN也可以用下列指令( )完成同样的功能。A．REP MVOSBB．REP LODSBC．REP STOSBD．REPE SCASB

[单选题]对于以下程序段： AGAIN：MOV AL，[SI] MVO ES：[DI]，AL INC SI INC DI LOOP AGAIN也可以用下列指令( )完成同样的功能。A．REP MVOSBB．REP LODSBC．REP STOSBD．REP ESCASB

[填空题] 假设（BX）=0449H，（BP）=0200H，（SI）=0046H，（SS）=2F00H，（2F246H）=7230H则执行XCHGBX，［BP+SI］指令后，（BX）=（）。