This work can be done only by the creator of that web page. So i can recommend it will be
creator / author
Answer:
Sir William Crookes invented the cathode ray tube in 1878, but these discoveries took many years to merge into the common ground of television. His mechanical system used a scanning disk with small holes to pick up image fragments and imprint them on a light-sensitive selenium tube. A receiver reassembled the picture.
I'll create new ones because just for me, its so hassle
The second one
01111
This is because a computer uses binary and only understands two digits which consit of 1 and 0