单项选择题

According to the passage, "hacker" is ______.

A．highly recognizable names behind many of the computer technologies used today
B．the negative connotation of those computer users
C．a game, employing the tools that are readily available via the Internet
D．people who break into computer systems

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热门试题

单项选择题

With a navigation computer, a driver will easily find the best route to his destination ______.

A．by inputting the exact address
B．by indicating the location of his car
C．by checking his computer database
D．by giving vocal orders to the computer

单项选择题

The navigation computer functions ______.

A．by means of a direction finder and a speed detector
B．basically on satellite signals and a map database
C．mainly through the reception of turn-by-turn directions
D．by using a screen to display satellite signals