In the _____ method for synchronizing the operation of the CPU with an I/O device, a large block of data can be passed from an I/O device to memory directly.
A: isolated I/O
B: DMA
C: interrupt-driven I/O
D: programmed I/O
A: isolated I/O
B: DMA
C: interrupt-driven I/O
D: programmed I/O
举一反三
- PC card is a memory or I/O device fitting into a personal computer, esp. a notebook or a laptop.
- What are the two steps of a process execution? A: I/O & OS Burst B: CPU & I/O Burst C: Memory & I/O Burst D: OS & Memory Burst
- I/O系统由()两部分组成。 A: I/O输入设备和I/O输出设备 B: I/O软件和I/O硬件 C: I/O内部设备和I/O外部设备 D: I/O寄存器和I/O主存
- 【单选题】I/O端口与I/O接口的逻辑关系是()。 A. I/O端口隶属于I/O接口 B. I/O接口隶属于I/O端口 C. I/O端口与I/O接口不相关 D. I/O端口等于I/O接口
- DMA方式使在（ ）之间建立一条直接数据通路。 A: I/O设备和主存 B: CPU和主存 C: 两个I/O设备 D: I/O设备和CPU