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Grade Section_EM A Directions: Read the selection carefully. Encircle the letter of the correct answer CELLULAR TECHNOLOGY: Its past, Present and Future Mobile communication took a big step forward in 1983 with the invention of the cellular system regulating the portable phone which uses radio waves to transmit and receive audio signals Before this time, mobile telephone service in the United States consisting mainly of car phones, was extremely limited because metropolitan areas had only one antenna for those purpose In addition, the Federal Communication Commission, (FCC) assigned only 12-24 frequencies to each area, which meant that only a few calls could occur at a time. These limitations often meant a 30-minute wait for a dial tone and five to ten years waiting list just to acquire the service With the inventions of cellular phones in 1983, personal communications no longer depended on wires. It has now become possible to connect to the internet from virtually anywhere in the world using a portable computer and a cellular modem with satellite service Technologies that develop from different fields, such as personal communications, computations and space exploration often worked together to serve the evolving needs of the information age. 1 Which sentence shows sequence of time as they occur in the selection? A Mobile communication took a big step in 1983 when the cellular technology. was invented B. Federal Communication Commission assigned only 12-24 frequencies. C. Personal communications no longer depended on wires D Space explorations often worked to serve the emerging needs of the population 2 What is the purpose of the selection? A. Cause and effect B Comparison and contrast C. Informational or informative D Persuasive text 3. From the selection, which sentence does NOT give the benefit of cellular technology? A. Communication become wireless B. It provides limited communication C. It is used in space explorations and computations D You can connect to anywhere in the world
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