a book of paper for writing notes

notebook computer

A portable personal computer, typically with a folding screen and integrated keyboard.

A portable personal computer, typically consisting of a screen and keyboard integrated into a single unit.

to write down important information or summaries during a lecture, meeting, or while reading.

to take notes

A collection of supernatural tales and anecdotes by the Qing dynasty scholar Ji Yun, also known as 'Notes on a Minutely Observed Thatched Hut'.

Death Note (Japanese: デスノート), a popular Japanese manga series created by writer Tsugumi Ohba and illustrator Takeshi Obata