Its a 4-bit ring-shift register with a single '1' cycling through it after reset.
After starting the clock, the 4 outputs will remain off or in a random state until the reset input is activated. Then it should work as described.
A button for reset, some way to display the output (LEDs)
# | Input | Output |
---|---|---|
0 | CLK | O_0 |
1 | RST | O_1 |
2 | O_2 | |
3 | O_3 | |
4 | ||
5 | ||
6 | ||
7 |