在中断处理中,输入输出中断是指 ______。 Ⅰ.设备出错 Ⅱ.数据传输结束
A.Ⅰ
B.Ⅱ
C.Ⅰ和Ⅱ
D.都不是
参考答案:C
been there with me,I would have felt terrible at the ceremony. [ ]
A.If my friends not
B.Had my friends not
C.Have my friends not
D.If my friends didn't
皮亚杰划分儿童心理发展阶段的标准是()。
A.生理发展
B.人格发展
C.主导发展
D.认知发展