用555定时器构成的施密特触发器,若电源电压为VCC,控制端不外接固定电压,则其上限阈值电压为()。
A. 1/3VCC
B. 2/3VCC
C. VCC
D. 1/2VCC
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有一堆核桃,如果5个5个的数,则剩下4个;如果4个4个的数,则剩下3个;如果3个3个的数,则剩下2个;如果2个2个的数,则剩下1个。那么,这堆核桃至少有多少呢?
《吉林银行吉林分行薪酬管理办法》中规定:岗绩工资制人员的薪酬根据工作性质不同,岗绩工资制分为()。
A. 业务类和非业务类
B. 前台、中台和后台
C. 营销类和非营销类
D. 机关和支行
幼儿科学技术玩具一般应()
A. 写实
B. 夸张
C. 拟人
D. 自动化
You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now in a high security environment, you manage a SQL Server 2008 cluster. You intend to configure and use encrypted connections for the clustered virtual SQL Server. You have to install a certificate. The cetification will be used for encryption. What should you do?()
A. In the cluster quorum drive, install the encryption certificate
B. In the SQL Server shared disk, install the encryption certificate
C. in the cluster group, install the encryption certificate.
D. On each individual node, install the encryption certificate