It is Haram to touch the Qur’an with any part of the body, for someone who does not have Wudhu.
In touching the writings of the Qur’an, there is no difference between the verse and words, rather even the letters or the vowel points on the letters.
There is no difference as to what the Qur’an is written on, be it paper, ground, the wall or a cloth.
There is no difference as to how the Qur’an is written, whether it is with a pen, computer printer, chalk or with anything else.
Even if the writings of the Qur’an are not in the Qur’an itself, it is still Haram to touch it. Therefore, if a verse of the Qur’an is written in a book, rather if even one word is found on a piece of paper, or even half a word from a page of the Qur’an or another book is ripped out, then touching this without Wudhu is also Haram.
The following instances do not constitute touching the script of the Qur’an, and thus are not Haram (to touch):
Touching the script of the Qur’an covered by glass or plastic.
Touching the pages of the Qur’an, the cover or the margins - although it is Makruh.
Touching the translation of the Qur’an that is in any language, except the name of Allah. For one who does not have Wudhu, touching the name of Allah in any language is Haram, for example the Persian word خدا.
Words that are common between the Qur’an and books other than the Qur’an, like the words “مُؤْمِنٌ” or “اَلَّذِيْنَ” if they are written with the intention of being from the Qur’an, then touching them without Wudhu is Haram (otherwise it is not a problem).
Touching the script of the Qur’an for one who is Junub, is Haram.
It is not permitted for a Junub to recite one of the 4 verses that contain a WajibSajdah.