A. JOB B. BOX C. TOP D. MOREVI. READ THE PASSAGE AND FILL IN THE B...

28. - DE KIEM TRA 45P LAN 2
Tiếng Anh DE KIEM TRA 45P LAN 2

28. A. job

B. box

C. top

D. more

VI. Read the passage and fill in the blank by choosing A, B, C or D.

Most people agree that computers are the most important (29)_______ of the 20th century. The first business

computers (30)_______ introduced just about fifty years ago, and now they are being used in a wide variety

of fields, from banking to space travel. However, until just a few years ago, computers were very large,

expensive machines owned by large existed, very few people had ever seen one an even fewer had used one.

Then in the 1970s the silicon chip was invented. Because this electronic device could (31)_______ a large

amount of information in a very small space, computers could be much smaller and less expensive than the

huge mainframe computers used by corporation. Some computer manufacturers believed that people might

want to have computers in (32)_______ homes, offices, and schools, so the personal computers was born.