NIOS Class 12th Data Entry Most Important Questions & Answers

Data Entry


Q.1 What do you mean by DNS? Write the purpose of DNS.

Ans : DNS, or the Domain Name System, translates human readable domain names (for example, to machine readable IP addresses (for example,

Web browsing and most other internet activities rely on DNS to quickly provide the information necessary to connect users to remote hosts. DNS mapping is distributed throughout the internet in a hierarchy of authority. Access providers and enterprises, as well as governments, universities and other organizations, typically have their own assigned ranges of IP addresses and an assigned domain name. They also typically run DNS servers to manage the mapping of those names to those addresses. Most Uniform Resource Locators (URLs) are built around the domain name of the web server that takes client requests.

Q.2 Describe any four frequently used internet terms.

Ans :

  1. WHOIS
    The acronym WHOIS stands for “WHO” and “is”. A WHOIS search may return the following information:
    Whether or not a particular domain name is registered to an individual, organization, or business – Name, address and domain name owner phone number; Technical information about the registered domain or web server; Date of purchase and registration of the domain name; Email addresses; Also includes IP lookup, DNS lookup, domain search
  2. Password  
    In the web context, a password is a set of letters, numbers, and / or special characters that combine to form a word or phrase intended to authenticate a user’s entry, registration, or membership on a Web site. Passwords that are easy to remember are the most useful, kept secret and deliberately unique.
  3. Domain
    A domain name is a unique, character-based component of a URL. This domain name is available for registration with the domain registrar by an individual, business or non-profit organization. There are two components to a domain name.First component is the original alphabetical word or phrase; For example, “widget”. The second component is the top-level domain name refers to what kind of site it is; for example, .com (for commercial domains), .org (organizations), .ed (for educational institutions).
  4. Put these two components together and you have a domain name: “”.
    SSL acronym is Secure Sockets layer . It is a secure encryption web protocol. It keeps data safe when transmitted over the Internet. SSL is especially used on shopping sites to keep financial data safe but also on any site that requires sensitive data (such as a password). The presence of HTTPS in the URL of a web browser’s web site indicates that SSL is used on the web site.

Q.3 Explain the different types of connections available to get connect to Internet.

Ans : There are many ways a personal electronic device can connect to the internet.  They all use different hardware and each has a range of connection speeds.  As technology changes, faster internet connections are needed to handle those changes.  I thought it would be interesting to list some of the different types of internet connections that are available for home and personal use, paired with their average speeds.

  1. Dial-Up (Analog 56K).
  2. DSL.98
  3. Cable.
  4. Wireless.
  5. Satellite. 
  6. Cellular. 

Q.4 Write the steps for creating an email account. Also mention the components of an email address.

Ans : You can use your username and password to sign in to Gmail and other Google products like YouTube, Google Play, and Google Drive. Follow the steps, create your Gmail account and start sending emails.

Step 1: Visit Google account creation page,

Step 2: Click on Create account.

Step 3: The sign-up form will appear. Enter your first and last name.

Step 4: Choose a Username for your account. (Here you can also use an existing email address)

Step 5: After choosing a username, enter a password. Type the password again to confirm. (As per Google’s instruction always use 8 or more characters with a mix of letters, numbers & symbols)

Step 6: At last tap on Next. (Right corner of the screen)

Step 7: On the next page enter your phone number to verify your account. (It is a two-step verification process for security)

Step 8: On the given mobile number you will receive a text message from Google with a verification code. Enter the verification code and tap on Verify.

Step 9: On the next page enter your DOB in the specified fields.

Step 10: Choose a Gender.

Step 11: Tap on Next.

Step 12: Read, Google’s Terms of Service and Privacy Policy will appear on the screen and click on I agree.

Q.5 How does the data moves from one side of the world to the other?

Ans : Data transmission is the transfer of data from one digital device to another. This transfer occurs via point-to-point data streams or channels. These channels may previously have been in the form of copper wires but are now much more likely to be part of a wireless network.


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