Question

1. Read the text and underline simple past sentences, and circle present perfect sentences.
Since 1980s, technology has changed a lot. The first computers were very simply and they didn´t have much capability. They didn´t have much memory. They were not powerful devices. They had small screens, too. Early computers were also very expansive. Now computers have become very powerful with strong memory cards and CPUs. Programmers have designed many useful software. Internet has been an important part of our lives. Thanks to computers and Internet we have had access to a great deal of information online.
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Answer 1

Respuesta:

Since 1980s, technology has changed a lot. The first computers were very simple, and they didn't have much capability. They didn't have much memory. They were not powerful devices. They had small screens, too. Early computers were also very expensive. Now computers have become very powerful with strong memory cards and CPUs. Programmers have designed much useful software. Internet has been an important part of our lives. Thanks to computers and Internet we have had access to a great deal of information online.