One use of networks is to let several computers(61)data such as file systems,printers,and tape drives.
A.copy
B.communicate
C.transfer
D.share
第1题:
One use of networks is to let several computers share ______ such as file systems, printers, and tape drives.
A.CPU
B.memory
C.resources
D.data
第2题:
Bluetooth is a universal radio interface in the(71)frequency hand that enables portable electronic devices to connect and communicate wirelessly via short-range, ad hoc networks. Each unit can simultaneously communicate with up to(72)other units per piconet. Moreover, each unit can simultaneously(73)to several piconets. Eliminates the need for wires, cables and connectors for and between cordless or mobile phones, modems, headsets, PDAs, Computers, printers, projectors, local area networks, and so on, and paves the way for new and completely different devices and applications. Technology Characteristics(74)symbol rate exploits maximum available(75)bandwidth。
A.1.95GHz
B.2.45GHz
C.4.45GHz
D.11.45GHz
第3题:
在Windows系统中,下列语句中,可用于读取当前目录下的data目录中的file.txt文件的是()
A.with open('data/file.txt', 'r') as f:
B.with open('datafile.txt', 'r') as f:
C.with open('datafile.txt', 'r') as f:
D.with open('data//file.txt', 'r') as f:
第4题:
One use of networks is to let several computers share(71)such as file systems, printers, and tape drives.
A.CPU
B.memory
C.resources
D.data
第5题:
8、以下哪个是Node.js中用于获取文件信息的异步函数()。
A.fs.appendFile(file, data[, options], callback)
B.fs.writeFileSync(file, data[, options])
C.fs.stat(path, callback)
D.fs.writeFile(file, data[, options], callback)