MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -Hub. A hub is a physical device used to join multiple devices on the same LAN. For example, a laptop, desktop computer and printer can connect into a hub’s ports with Ethernet cables and be part of the same local network.

Detailed explanation-2: -A router is a hardware device that allows you to connect several computers and other devices to a single Internet connection, which is known as a home network. Many routers are wireless, which allows you to create a home wireless network, commonly known as a Wi-Fi network.

Detailed explanation-3: -A wireless network adapter is a device that connects your PC to a wireless network. To connect your portable or desktop PC to your wireless network, the PC must have a wireless network adapter. Most laptops and tablets-and some desktop PCs-come with a wireless network adapter already installed.

Detailed explanation-4: -Modems bring the Internet to your home The modem takes signals from your ISP and translates them into signals your local devices can use, and vice versa. The connection between your house and the Internet is known as a wide area network (WAN).