関連ワード:  what is computer class 8 chapter 1    computer class 8 chapter 1 question answer    computer class 8 chapter 1 pdf    computer class 8 chapter 1 networking concepts    computer class 8 chapter 1 notes    computer class 8 chapter 1 exercise    computer class 8 chapter 1 mcq    computer class 8 chapter 10    computer class 8 chapter 1 question answer ncert    computer class 8 chapter 1 ncert