Getting Connected to the Internet Basics
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Questions and Answers

What is the main function of W3C?

  • To provide Internet white pages
  • To provide directory and database services
  • To develop common protocols for the evolution of the World Wide Web (correct)
  • To register domain names

    • What is the minimum RAM requirement for a good browsing experience?

  • 512 MB
  • 256 MB
  • 128 MB (correct)
  • 16 MB

    • What is the primary function of a modem?

  • To convert digital data into analog signals (correct)
  • To transmit data over telephone lines
  • To convert analog signals into digital data
  • To connect the computer to the Internet

    • What is the unit of measurement for modem speed?

    <p>Kilobits per second</p> Signup and view all the answers

    What is the minimum resolution required for a color monitor?

    <p>640 × 480</p> Signup and view all the answers

    What is the minimum hard disk space required for storing Internet software and temporary files?

    <p>200 MB</p> Signup and view all the answers

    What type of modem is a card fitted inside the computer?

    <p>Internal Modem</p> Signup and view all the answers

    What is the function of demodulation in a modem?

    <p>Converting analog signals into digital data</p> Signup and view all the answers

    What is the primary function of EFT technology?

    <p>To enable the transfer of funds from one account to another</p> Signup and view all the answers

    What is the term used to describe transactions through a mobile phone network and data connection?

    <p>M-commerce</p> Signup and view all the answers

    What is the main advantage of e-commerce over traditional commerce?

    <p>24/7 operation throughout the year</p> Signup and view all the answers

    What is the primary purpose of encryption in e-commerce?

    <p>To ensure data secrecy</p> Signup and view all the answers

    What is an example of a well-known e-commerce site?

    <p><a href="http://www.amazon.com">www.amazon.com</a></p> Signup and view all the answers

    What is the term used to describe electronic shopping malls?

    <p>Up-front stores</p> Signup and view all the answers

    What is the process that operates on a message to assure message source authenticity and integrity?

    <p>Digital signatures</p> Signup and view all the answers

    What is included in the services of mobile commerce?

    <p>Banking, payment, and ticketing</p> Signup and view all the answers

    What is the primary function of TCP/IP?

    <p>To allow programs on the user's computer to communicate over the Internet</p> Signup and view all the answers

    What type of Internet access is suitable for users who frequently download or upload a fair amount of data?

    <p>Cable modem or ISDN</p> Signup and view all the answers

    What is the main purpose of dialer software?

    <p>To instruct the modem to dial the phone number</p> Signup and view all the answers

    What is the primary function of a web browser?

    <p>To allow the user to view information available on the World Wide Web</p> Signup and view all the answers

    What is the result of the colossal growth of the Internet?

    <p>The Internet has become the biggest domain of information</p> Signup and view all the answers

    What is electronic mail (e-mail) primarily used for?

    <p>To communicate with other Internet users around the world</p> Signup and view all the answers

    What is a characteristic of the Internet?

    <p>It is the biggest network of computers</p> Signup and view all the answers

    What is an advantage of using the Internet?

    <p>It is fast, easy, and inexpensive</p> Signup and view all the answers

    What is the primary function of the Bcc field in an email?

    <p>To send a message to several addresses without showing everyone all the addresses</p> Signup and view all the answers

    What is the protocol used for sending email?

    <p>SMTP (Simple Mail Transfer Protocol)</p> Signup and view all the answers

    What is the function of the DNS server in the email process?

    <p>To provide the location of the recipient's domain name</p> Signup and view all the answers

    What is the purpose of breaking down an email address into two parts?

    <p>To specify the recipient's account name and domain name</p> Signup and view all the answers

    What is the role of the mail server in the email process?

    <p>To forward the email to the recipient's account</p> Signup and view all the answers

    What is the primary function of the Cc field in an email?

    <p>To specify the addresses of all the recipients who will receive copies of the same mail</p> Signup and view all the answers

    What is the protocol used for accessing email messages?

    <p>IMAP (Internet Mail Access Protocol)</p> Signup and view all the answers

    What is required to send an email?

    <p>A connection to the Internet and access to a mail server</p> Signup and view all the answers

    What is the primary purpose of a script in a web page?

    <p>To provide dynamism to the web page</p> Signup and view all the answers

    Which of the following is NOT a programming language used to provide dynamism to a web page?

    <p>HTML</p> Signup and view all the answers

    What is the primary mechanism by which a virus infects a computer system?

    <p>Through external sources like CD, pen drive or e-mail</p> Signup and view all the answers

    What is the common initial action of a virus when it infects a computer system?

    <p>It attaches itself to existing programs or files</p> Signup and view all the answers

    What is the full form of the acronym 'VIRUS'?

    <p>Vital Information Resources Under Seize</p> Signup and view all the answers

    What is the primary method by which a virus spreads from one computer to another?

    <p>Through computer networks</p> Signup and view all the answers

    Which of the following is a type of virus that may only be slightly irritating?

    <p>Virus that displays pictures or messages on the screen</p> Signup and view all the answers

    What is the term used to describe the ability of a virus to replicate itself without the user's knowledge or permission?

    <p>Replication</p> Signup and view all the answers

    Study Notes

    Internet Services

    • The Internet provides directory and database services, Internet white pages, and domain name registration.
    • The World Wide Web Consortium (W3C) was founded in 1994 to develop common protocols for the evolution of the World Wide Web.

    Getting Connected to the Internet

    • The basic requirements for getting connected to the Internet include a computer with at least a 386-microprocessor chip, 16 MB of RAM, a color monitor, and a hard disk with at least 200 MB of free space.
    • A modem is necessary to transmit data over telephone lines, with speeds measured in kilobits per second (Kbps).
    • There are two types of modems: internal modems (fitted inside the computer) and external modems.

    Internet Software

    • Three types of software are required to connect to the Internet: TCP/IP, dialer software, and a web browser.
    • TCP/IP is the basic communication protocol of the Internet, allowing programs on the user's computer to communicate over the Internet.
    • Dialer software instructs the modem to dial the phone number and identify the user's machine to the access provider's system for access to the network.
    • A web browser is essential for viewing information available on the World Wide Web.

    Internet Applications

    • The Internet provides a wide variety of services, including electronic mail, file transfer, vast information resources, interest group membership, interactive collaboration, multimedia displays, real-time broadcasting, and shopping opportunities.
    • Electronic mail (e-mail) is a fast, easy, and inexpensive way of communicating with other Internet users around the world.
    • E-commerce enables the purchase of goods and services online, with developments in software providing increased facilities, such as digital signatures and encryption.

    Electronic Mail

    • Electronic mail (e-mail) allows users to send messages to multiple recipients using Cc (carbon copy) and Bcc (blind carbon copy).
    • Attachments can be sent with e-mails, such as files created with programs like MS Word or Zip files.
    • The electronic mailing system works like the postal service, with mail servers forwarding mail using SMTP (Simple Mail Transfer Protocol) in conjunction with POP (Post Office Protocol) and IMAP (Internet Mail Access Protocol) servers.

    Dynamism on the Web

    • Dynamism on the web is achieved using programming languages such as Perl, JavaScript, VBScript, Active Server Pages, PHP, and eXtensible Markup Language (XML).
    • Scripts are written to provide interaction with web servers, allowing users to interact with web pages.

    Internet and Viruses

    • Viruses are programs or small code segments written with malicious intent, capable of attaching themselves to existing programs or files and replicating without the user's knowledge or permission.
    • Viruses can enter computer systems from external sources like CD, pen drive, or e-mail and execute when an infected program is executed.
    • There are many types of viruses, ranging from slightly irritating to destructive, with various levels of destructiveness.

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    Related Documents

    Unit 6b - Internet.pdf

    Description

    Learn about the basic requirements for connecting to the Internet, including the role of directory and database services, World Wide Web Consortium, and more.

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