You need a browser, online access and a computer to surf the Web, but if you're on a local area network (LAN) that's connected to the Internet, you don't need a modem to go online.

Not always necessary for accessing the Web:

There are several components that are typically required to access the Web, but one of them is not always necessary. Let's analyze each option to understand why.

a) A Web browser:
A Web browser is a software application that allows users to access and view websites on the Internet. It interprets the HTML code of a website and presents it in a visually appealing format. Web browsers like Google Chrome, Mozilla Firefox, and Safari are commonly used for accessing the Web. Without a Web browser, it would be challenging to navigate and interact with websites, making it an essential component for accessing the Web.

b) A connection to an Internet Access Provider:
In order to access the Web, one must have a connection to an Internet Access Provider (IAP). This can be a broadband connection, such as cable or DSL, or a wireless connection, such as Wi-Fi or mobile data. The IAP is responsible for providing the necessary connectivity between the user's device and the Internet. Without an active connection to an IAP, it would not be possible to access the Web.

c) A computer:
A computer or a similar device is required for accessing the Web. This can include desktop computers, laptops, tablets, or smartphones. These devices provide the necessary hardware and processing power to run a Web browser and display the content of websites. While the specific device may vary, having some form of computing device is essential for accessing the Web.

d) A modem:
A modem is a device used to connect a computer or other device to an Internet service provider. It converts digital signals from the device into a form that can be transmitted over a telephone or cable line and vice versa. While a modem is commonly used to establish an Internet connection, it is not always necessary for accessing the Web. In some cases, users may connect to the Internet through other means such as Wi-Fi or mobile data without the need for a separate modem.

In summary, while a Web browser, a connection to an Internet Access Provider, and a computer are typically necessary for accessing the Web, a modem is not always required. Users can connect to the Internet through alternative methods, making a modem optional in some scenarios.

D is correct bcoz for accessing the internet we will need a web browser like Google,yahoo etc,a proper connection to WiFi or internet and a computer or a mobile but we don't need a modem bcoz modem is a hardware device which is used to transmit data information through telephone lines..