This Computer Awareness quiz on Internet and Email puts 12 multiple-choice questions to you, the verified MCQs published with GK24's note on the topic, 2 of them asked in real previous-year papers. Every question carries a full explanation of why the correct option is right and why the other options are wrong, so you learn the fact behind the answer rather than the letter. Attempt it right after reading the note, keep to the timer, and use the explanations at the end to mark what needs another look. Sit it again before the exam as a quick revision of the topic.
12 questions with answers and explanations
Deleted emails are stored in
When a letter is deleted from a mailbox it is not wiped out at once. It is moved to a folder called Trash, or Bin in some services, and kept there for a fixed number of days so that a letter deleted by mistake can be restored.
Read the full explanation →In Gmail, the email address of the recipients can be entered in __________ field.
The To field of a mail window is meant for the addresses of the people the letter is written to.
Read the full explanation →ARPANET, the forerunner of the internet, carried its first message in which year?
ARPANET was funded by the Advanced Research Projects Agency of the United States Department of Defense, and in 1969 it linked computers at four American universities and passed its first message between them.
Read the full explanation →Who is credited with inventing the World Wide Web?
Working at CERN in Switzerland, he proposed a system of linked documents in 1989, wrote the first browser and server, and put the first website online in 1991.
Read the full explanation →Which symbol was chosen by Ray Tomlinson to separate the user name from the host name in an email address?
Ray Tomlinson sent the first message between two computers on ARPANET in 1971 and needed a character that would never appear in a person's name.
Read the full explanation →What is the default port number of HTTPS?
HTTPS is HTTP wrapped in encryption, and web servers listen for it on port 443. When an address begins with https, the browser opens a secure channel on that port, and the padlock shown beside the address means the traffic on it is coded.
Read the full explanation →In an email, which field is used to send a copy to a person whose address the other recipients cannot see?
Bcc stands for blind carbon copy. An address typed there receives the letter, but it is hidden from everyone else on the list, and the people in Bcc cannot see one another either.
Read the full explanation →An IPv6 address is of how many bits?
IPv6 was framed because the older scheme was running out of addresses, and its 128-bit length yields a pool so large that shortage is no longer a worry.
Read the full explanation →Which protocol is used to send an outgoing email from a client to a mail server?
SMTP stands for Simple Mail Transfer Protocol and is the rule set that pushes a letter out of your mail program to the server and onward from one server to the next until it reaches the receiver's mailbox.
Read the full explanation →The system that converts a domain name such as india.gov.in into its numeric address is called
The Domain Name System is the directory of the internet. People remember names, while machines route traffic by numbers, so a DNS server looks up the name typed in the browser and returns the matching IP address before the page is fetched.
Read the full explanation →The domain name .gov in a web address shows that the site belongs to
The last part of a domain name is the top-level domain and tells you the kind of owner. Government offices use.gov, often with the country code added, as in india.gov.in for the National Portal of India.
Read the full explanation →Which protocol is used to upload files to and download files from a remote server on the internet?
FTP stands for File Transfer Protocol. It opens two channels with a server, one on port 21 for commands and one on port 20 for the matter itself, and moves whole files in either direction, which is how web pages are put on a hosting server.
Read the full explanation →