`31`. B. Because there is a great deal of software for use both in the office and at home

`->` Dẫn chứng: There is two important reasons for the increasing popularity of personal computers. First, there is a great deal of solftware for use both in the office and at home. 

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Persoual computes are used in busines ad pofesional ofices ad at home to reduce popenwad. The ae two mpotat easUsfr he incresing oplanty o esal computes Fis, dhere isa gret del of oftware for use boh in the fie ad at home Sofwae for wod procesing ul couting impoves ofice eliceny while r educatioal adivites ae useda home Second using a persoal compute is a ndvidualacivity dat low he werto coto lad utent wi e compute. popervok work iwohing the hndling of report, leter,and frms) programs for bousebold budgets, games, of 

Đáp án : B. because theis a ged del of sftware foruse both in he ofice ad t bone