Chip testing system for practice training of digital circuit

The invention discloses a chip testing system for practice training of a digital circuit, wherein the chip testing system relates to the technical field of a chip testing device. The chip testing system comprises a mode selecting module, a chip testing module and a result display module. The mode selecting module comprises a dial switch. The chip testing module comprises a 51 single-chip microcomputer, a chip socket, a first relay and a second relay. The result display module comprises an LED lamp and a buzzer and displays a testing result of the chip testing module through the LED lamp and the buzzer. The 51 single-chip microcomputer is connected with the dial switch, the chip socket, the first relay, the second relay, the LED lamp and the buzzer. The chip socket is connected with the first relay and the second relay. The first relay and the second relay are grounded. The chip testing system has advantages of convenient operation, no requirement for manual connection of complicated lines, convenient and accu