ICDS Supervisor - Computer Applications (Internet & E-mail) Practice Test 50 MCQs

ICDS Supervisor - Computer Applications (Internet & E-mail) Practice Test

ICDS Supervisor - Computer Applications (Internet & E-mail) Practice Test

Targeted 50 MCQ Practice Module focusing on: Internet Fundamentals, Web Browsers & Networking, Internet Protocols, E-mail Basics, and E-mail Clients & Security.

Select your answers and click Submit Assessment Answers at the bottom to calculate your total score and review explanations.

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SECTION I: Internet Fundamentals & History [Questions 1 to 10]
1. The term "Internet" is a short form of which phrase?
Explanation: "Internet" is a shortened form of "Interconnected Network," a global system of linked computer networks.
2. Which network is widely regarded as the precursor/origin of the modern Internet?
Explanation: ARPANET, developed by the US Department of Defense in 1969, is considered the forerunner of today's Internet.
3. Who is credited with inventing the World Wide Web (WWW)?
Explanation: Tim Berners-Lee, a British scientist at CERN, invented the World Wide Web in 1989.
4. Who is often called the "Father of the Internet" for co-designing the TCP/IP protocols?
Explanation: Vint Cerf, along with Bob Kahn, co-designed the TCP/IP protocols and is widely called the "Father of the Internet."
5. ISP is an abbreviation for:
Explanation: An ISP (Internet Service Provider) is a company that provides individuals and organizations access to the Internet.
6. The Internet is fundamentally described as a network of:
Explanation: The Internet is a vast, global network of interconnected computer networks that communicate using standardized protocols.
7. Which organization/body is responsible for coordinating the global Internet domain name system?
Explanation: ICANN (Internet Corporation for Assigned Names and Numbers) coordinates domain names and IP address allocation globally.
8. A network confined to a small geographical area such as an office or a single building is called:
Explanation: A LAN connects computers within a limited area like an office, school, or building.
9. WAN stands for:
Explanation: A WAN spans a large geographical area, connecting multiple LANs, often across cities or countries; the Internet itself is the largest WAN.
10. The very first message sent over ARPANET in 1969 was transmitted between which two universities?
Explanation: The first ARPANET message was sent from UCLA to the Stanford Research Institute on October 29, 1969.
SECTION II: Web Browsers & Browsing Technology [Questions 11 to 20]
11. A software application used to access and view websites on the Internet is called a:
Explanation: A web browser (e.g., Chrome, Firefox, Edge) is software used to locate, retrieve, and display content from the World Wide Web.
12. Which of the following was the first widely used graphical web browser?
Explanation: Mosaic, released in 1993, was the first popular graphical web browser that made the Web accessible to general users.
13. Temporary internet files (pages, images) stored locally by a browser to speed up future page loading are collectively called:
Explanation: The browser Cache stores copies of visited web content locally so pages load faster on repeat visits.
14. A small text file stored on a user's computer by a website to remember preferences and login information is called a:
Explanation: Cookies are small data files that websites store on a user's browser to remember settings, sessions, and preferences.
15. Browsing the web in a mode that does not save browsing history, cookies, or site data on the local device is known as:
Explanation: Private/Incognito browsing mode prevents the browser from saving history, cookies, and form data after the session ends.
16. A padlock icon and "https" in the address bar indicate that a website connection is:
Explanation: The padlock and "https" indicate that data exchanged between browser and website is encrypted via SSL/TLS, making the connection secure.
17. The standard file extension for a basic webpage document is:
Explanation: Webpages are commonly written and saved with the .html (or .htm) extension, denoting HyperText Markup Language files.
18. Which function key is commonly used to refresh/reload the currently open webpage?
Explanation: Pressing F5 (or Ctrl+R) reloads/refreshes the currently displayed webpage in most browsers.
19. Opening multiple webpages within a single browser window, each represented by a separate strip at the top, uses a feature called:
Explanation: Tabbed browsing allows multiple webpages to be open simultaneously within one browser window, each in its own tab.
20. Saving a webpage's address for quick future access from the browser toolbar/menu is called adding a:
Explanation: Bookmarks (called Favorites in some browsers) let users save webpage URLs for quick access later.
SECTION III: Internet Protocols & Networking [Questions 21 to 30]
21. The protocol suite that forms the basic communication language of the Internet is:
Explanation: TCP/IP (Transmission Control Protocol/Internet Protocol) is the fundamental protocol suite governing how data is transmitted across the Internet.
22. HTTP stands for:
Explanation: HTTP (HyperText Transfer Protocol) governs how web browsers and servers exchange webpage data.
23. The protocol used specifically to transfer files between computers over a network is called:
Explanation: FTP (File Transfer Protocol) is designed specifically for uploading and downloading files between a client and server.
24. DNS is an abbreviation for:
Explanation: DNS (Domain Name System) translates human-readable domain names (like example.com) into numerical IP addresses.
25. A unique numerical label (e.g., 192.168.1.1) assigned to each device connected to a network is called its:
Explanation: An IP (Internet Protocol) Address uniquely identifies a device on a network for routing communication.
26. A device that converts digital signals from a computer into a form suitable for transmission over telephone/cable lines and vice versa is called a:
Explanation: A Modem (Modulator-Demodulator) converts digital data to analog signals for transmission and back to digital at the receiving end.
27. Wi-Fi is a technology that provides:
Explanation: Wi-Fi enables devices to connect to a local area network and the Internet wirelessly using radio waves.
28. The speed of data transfer over a network connection is commonly measured in:
Explanation: Internet/network speed (bandwidth) is measured in bits per second, commonly expressed as Kbps, Mbps, or Gbps.
29. A hardware/software security system that monitors and controls incoming and outgoing network traffic based on defined rules is called a:
Explanation: A Firewall acts as a protective barrier between a trusted internal network and untrusted external networks like the Internet.
30. A malicious software program that self-replicates and spreads across computers/networks, often causing damage, is called a:
Explanation: A computer virus is malicious code that attaches to files/programs and replicates itself, often spreading via the Internet or removable media.
SECTION IV: E-mail Fundamentals [Questions 31 to 40]
31. E-mail is the short form of:
Explanation: E-mail stands for Electronic Mail, a method of exchanging digital messages over a network.
32. Who is generally credited with sending the first network email in 1971?
Explanation: Ray Tomlinson is credited with sending the first email over ARPANET in 1971 and introducing the "@" symbol in addressing.
33. Which symbol separates the username from the domain name in an email address?
Explanation: The "@" (at) symbol separates the username from the domain/host name in every email address, e.g., user@example.com.
34. In the email address rakesh@example.com, the part "example.com" refers to the:
Explanation: The portion after the "@" symbol identifies the mail server/domain that hosts the recipient's mailbox.
35. "CC" in an email composition window stands for:
Explanation: CC (Carbon Copy) sends a visible copy of the email to additional recipients besides the main "To" recipient.
36. "BCC" in an email composition window stands for, and its key feature is:
Explanation: BCC (Blind Carbon Copy) allows an email to be sent to a recipient without other recipients seeing that address.
37. A file (document, image, etc.) sent along with an email message is called an:
Explanation: An Attachment is a separate file bundled with and sent alongside an email message.
38. Unsolicited, unwanted bulk email, often promotional or fraudulent in nature, is commonly known as:
Explanation: Spam refers to unwanted, unsolicited bulk emails typically sent for advertising, phishing, or fraud purposes.
39. Which of the following is NOT typically part of an email's header information?
Explanation: Email headers include From, To, Subject, Date, and CC/BCC — not physical postal details like a PIN code.
40. Emails that have been composed but not yet sent are automatically saved in which folder?
Explanation: The Drafts folder automatically stores email messages that have been started/saved but not yet sent.
SECTION V: E-mail Clients, Protocols & Security [Questions 41 to 50]
41. Which of the following is a popular free web-based email service?
Explanation: Gmail, provided by Google, is one of the most widely used free web-based email services.
42. Which of the following is a desktop email client application used to send/receive/manage emails offline?
Explanation: Microsoft Outlook is a widely used desktop email client that manages emails, calendars, and contacts, including offline access.
43. SMTP, the protocol used for sending outgoing email, stands for:
Explanation: SMTP (Simple Mail Transfer Protocol) is the standard protocol used for sending emails from a client to a mail server.
44. POP3, a protocol used for retrieving email, stands for:
Explanation: POP3 (Post Office Protocol version 3) is used by email clients to download messages from a mail server, typically removing them from the server afterward.
45. IMAP, an alternative protocol for retrieving email that keeps messages synchronized across multiple devices, stands for:
Explanation: IMAP (Internet Message Access Protocol) allows emails to remain on the server and stay synced across multiple devices, unlike POP3.
46. What is the key difference between POP3 and IMAP protocols?
Explanation: POP3 downloads emails to a single device (often removing them from the server), whereas IMAP synchronizes emails across all devices by keeping them on the server.
47. A fraudulent email that impersonates a legitimate organization to trick recipients into revealing sensitive information (passwords, bank details) is called:
Explanation: Phishing emails deceptively mimic trusted sources to trick users into disclosing confidential information like passwords or banking details.
48. A pre-set block of text (name, designation, contact details) automatically added at the end of outgoing emails is called an email:
Explanation: An email Signature is a customizable block of text automatically appended to the bottom of outgoing messages, usually containing sender details.
49. The folder in an email account where newly received messages first appear by default is called the:
Explanation: The Inbox is the default folder where all newly received email messages are delivered and displayed.
50. Enabling Two-Factor Authentication (2FA) on an email account primarily helps to:
Explanation: Two-Factor Authentication requires a second verification step (like an OTP) in addition to the password, significantly improving account security against unauthorized access.

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