Hello every one can u help me in

Digital Stopwatch 0-99sec​

i need to get information and circuit of this titel any help ??​

 

Hello,

Here is a site with a schematic.
http://www.electronics-lab.com/projects/oscillators_timers/014/index.html

Greetings,
Bertus

 

my teacher told us to get lil information about this title so what i should give him?? from whAT u gave me on this link???
should i give him the Introduction only ????