单项选择题
已知X=–73,若采用8位机器码表示,则[X]原=(),[X]补=()。
A.11001001 B.01001001 C.11011001 D.01011001
以下不属于网络安全控制技术的是() A.防火墙技术 B.访问控制技术 C.入侵检测技术 D.差错控制技术
单项选择题以下不属于网络安全控制技术的是()
A.防火墙技术 B.访问控制技术 C.入侵检测技术 D.差错控制技术
Computer()is a complex consisting of two or more connec...
单项选择题Computer()is a complex consisting of two or more connected computing units, it is used for the purpose of data communication and resource sharing.
A.storage B.device C.network D.processor
GIF files are limited to a maximum of 8 bits/pixel, it ...
单项选择题GIF files are limited to a maximum of 8 bits/pixel, it simply means that no more than 256 colors are allowed in()
A.an image B.a file C.a window D.a page