It features a step-down AC transformer, DC power supply, data switches, logic indicators, and a breadboard.
Such Digital Logic Trainer Boards are typically used in Digital Electronics / EEE labs for practical experiments with logic gates, Boolean logic, truth tables, flip-flops, counters, and more.
What is it used for?
By placing ICs on the breadboard such as:
AND, OR, NOT, NAND, NOR gates
XOR/XNOR
Truth table verification
Boolean logic experiments
Basic flip-flop and counter experiments
Digital circuit design/testing
Viewing outputs on LED indicators with Logic 0/1 inputs