clock

mon = peripheral.wrap("top")  --connects to the monitor on top of the computer
sec = 0  --declare variables
min = 0
uur = 0

mon.setTextScale(1.5)  --set the text scale of the monitor to a 1.5 magnification

term.redirect(mon)  --redirect the output ot the monitors
while true do  --main loop
  term.clear()  --clear the screen
  term.setCursorPos(1,1)  --set the cursor to the left upper corner

  if sec==60 then  --if 60 seconds have past add 1 to minutes and set seconds to 0
        min = min + 1  --adds 1 to minutes
        sec = 0
  end --ends if

  sec = sec + 1 --counts the seconds

  if min==60 then --if 60 minutes have past add 1 to uur(hours) and set minutes to 0
        uur = uur + 1  --adds 1 to uur(hours)
        min = 0
  end
  --prints everything
  print("time is: ")
  print(sec.." seconds")
  print(min.." minutes")
  print(uur.." hours")
  sleep(1)  --sleeps for 1 second
end