下列器件中,实现逻辑假发运算的是()
A. 半加器
B. 全加器
C. 加法器
D. 或门
An OS consists of one or more ( ) that manage the operations of a computer.
A. interface
B. kernel techniques
C. programs
D. account numbers
( ) is estimated 88.9 percent total usage share on Web connected computers.
A. platform
B. Micorsoft Windows
C. Graphical User Interface
D. Media Player
The latest version of Microsoft is ( ) .
A. DOS
B. Windows XP
C. Windows 7
D. Windows 10