(1) Every time you send a text, stream a video, or search online, information moves. It travels across invisible pathways. Those pathways are part of the internet. The internet is a global network. It connects computers and devices.
(2) The internet works because data is broken into small pieces called packets. Each packet holds part of the message. It also holds an address, like a digital mailing label. Packets can travel along different routes to reach the same place.
(3) For example, one pathway might be crowded or broken. Then routers can send packets another way. Routers are devices that direct traffic. They help data move quickly. As a result, you might still get a message even if one connection is slow.
(4) This packet system began as an idea in the 1960s. Researchers wanted networks that could keep working even if parts failed. Over time, universities and governments connected their networks. Later, businesses and homes joined too.
(5) The internet has changed how people learn and share. It allows video calls, online maps, and instant news. But it also brings new responsibilities. You must protect passwords and check whether information is reliable.
(6) Understanding how the internet works helps you make smarter choices. When you know that data travels through many devices, you understand why speed changes. You also see why security matters.
How does the author's development of the internet in paragraph 2 differ from paragraph 5?
- Paragraph 2 defines technical parts like packets, while paragraph 5 covers the internet's effects and duties. (correct answer)
- Paragraph 2 traces the history of how the network was built, while paragraph 5 lists the technical parts of a packet.
- Paragraph 2 describes the daily benefits people enjoy, while paragraph 5 explains how routers reroute crowded traffic.
- Paragraph 2 focuses on the safety rules users follow, while paragraph 5 explains how packets are addressed and sent.
Explanation: The right answer says paragraph 2 defines a technical part, packets, while paragraph 5 shifts to what the internet does for people and the responsibilities it brings, like protecting passwords. That matches the passage exactly. One choice claims paragraph 2 traces the network's history, but that history appears in paragraph 4, not paragraph 2, so it misreads where the idea is developed. Another choice says paragraph 2 describes daily benefits, yet those benefits are described in paragraph 5, and rerouting traffic belongs to paragraph 3 about routers. A third choice says paragraph 2 focuses on safety rules, but safety is discussed in paragraph 5, and paragraph 2 is the one that actually explains how packets are addressed. Each of these swaps content into the wrong paragraph, so only the first choice correctly names how the two paragraphs differ.