题目内容

国土安全与我国国内稳定的关联度正在上升,与地区形势、大国博弈密切无关。( )

A. 对
B. 错

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当前边境地区发展不充分问题不突出,不存在短板和弱项。( )

A. 对
B. 错

单选题 ( ) is a program that facilitates the execution of other programs.

An operating system
B. Hardware
C. A queue
D. An application program

单选题 ( ) supervises the activity of each component in a computer system.

An operating system
B. Hardware
C. A queue
D. An application program

单选题 The earliest operating system, called ( )operating systems, only had to ensure that resources were transferred from one job to the next.

A. batch
B. time-sharing
C. personal
D. Parallel