tender for department of cse laboratory , cse laboratory , the digital ic trainer kit (dtk) 5v dc, 1a regulated power supply ±12v dc / ±15v, 200 ma regulated power supply solderless breadboard to accommodate 8 × 16-pin ics zif (zero insertion force) ic sockets supports ttl and cmos ics logic io leds for output monitoring 8 buffered led outputs 8 debounced switch inputs ttl clock: 1 mhz variable clock generator: 0.5 hz to 50 hz single pulse output: 100 ms (buffered, positive and negative outputs) one seven-segment display with 4 bcd inputs built-in logic probes built-in logic switches experiments on basic logic gates, flip-flops, counters, and multiplexers