IDNStudy.com, ang iyong mapagkakatiwalaang platform para sa mga eksaktong sagot. Ang aming komunidad ay handang magbigay ng malalim at praktikal na mga solusyon sa lahat ng iyong mga katanungan.

Fill in the blanks with a suitable tense of the verbs in brackets:

Since computers were first introduced to the public in the early 1980's, technology ____________ (1) (change) a great deal. The first computers _____________ (2) (be) simple machines designed for basic tasks. They ___________ (3) (have, not) much memory and they were not very powerful. Early computers were often quite expensive and customers often ___________ (4) (pay) thousands of dollars for machines. Times __________ (5) (change). Computers __________ (6) (become) powerful machines with very practical applications. Many computer users ___________ (7) (start) to create international communities online.