Examlex
A cesium atomic clock is extremely accurate.If a particular clock has a measured accuracy of 2 nanoseconds per day, how many years would correspond to an uncertainty of 1 minute?
4G
Stands for fourth generation. The current mobile communication standard with faster data transfer rates than 3G.
Traffic Signal
A device that controls the flow of vehicles and pedestrians through intersections or roadways by using lights of standard colors (red, yellow, green).
Network
A group of interconnected computers, servers, mainframes, network devices, peripherals, or other devices to share data and resources.
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