The IoT architecture can be divided into three layers. ()is the key layer to realize the foundational capabilities which support the electronic devices interact with physical world.
A. Sensing layer
B. Network layer
C. Application layer
D. Operation layer
计算机内存中存储信息的基本单位是()
A. 位
B. 字节
C. 双字节
D. 四字节
我国陆续建成了“两网、一站、四库、十二金”工程为代表的国家级信息系统,其中的“一站”属于()电子政务模式。
A. G2G
B. G2C
C. G2E
D. B2C
()is a decentralized, distributed and public digital ledger that is used to record transactions across many computers so that the record cannot be alterred retroactively without the alteration of all subsequent blocks and the collusion of the network.
A. Cloud service
Blockchain
C. Internet of things
D. Artificial intellingence