【简答题】阅读理解。 Like many people you may be dreaming of a career as a rock and roll star. There are two ways to go about getting one. First there is the traditional (传统的) way. Find some friends and form a group...
【单选题】以下关于直接寻址的特点描述中,正确的是( )。
A.
如果指令字长一定,直接寻址方式下,操作数的表数范围受到指令字长的限制
B.
与变址寻址、基址寻址相比,直接寻址不需要计算有效地址
C.
由于直接寻址实现简单,程序中应多使用该寻址方式
【单选题】以下( )不是直接寻址方式的特点。
B.
如果指令字长一定,地址空间大小受到指令字长的限制
C.
直接寻址能增强程序的灵活性,如程序或数据区的浮动
【简答题】(2013·高考北京卷,D)People who multitask all the time may be the worst at doing two things at once,a new research suggests.The findings,based on performances and selfevaluations by about 275 college studen...
【单选题】The emali is from ________to ________.
【单选题】已知R0=0x12345678,R1=0x300,在小端存储格式下,执行以下语句之后,R2=( ) STR R0, [R1] LDRB R2, [R1]
【单选题】已知str_1 = '12345678dfggrytergrg',想获取最后3个元素,以下正确的是()。
【单选题】下列哪一种寻址方式不需要从存储器中读取操作数?
【简答题】Multitasking People who multitask all the time may be the worst at doing two things at once, a new research suggests. The findings, based on performances and self-evaluation by about 275 college stude...
【单选题】就取得操作数的速度而言,下列寻址方式中速度最快的是 ,速度最慢的是 ,不需要访存的是 ;A.直接寻址 B,间接寻址, C。立即寻址