関連ワード:  what is computer answer class 6    what is computer short answer class 6    what is computer short answer class 6 chapter 1    what is computer long answer class 6    what is computer language answer class 6    what is computer virus short answer class 6    what is computer system short answer class 6    what is a computer question answer class 6    what is computer class 6 answer chapter 1    what is computer virus class 6 answer