MCQs / Computer Science / The Internet and Web Browsers

The Internet and Web Browsers MCQs — Computer Science

43 multiple-choice questions on The Internet and Web Browsers from Computer Science, each with the correct answer and, where available, a teacher's explanation. Read through them to revise the chapter, then practise the same questions one by one to test yourself.

1. Which is an example of an OSP?

  1. PTCL broadband
  2. a DSL modem
  3. YouTube
  4. a fibre cable

Answer: C) YouTube

Explanation: YouTube provides online content.

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2. The search operator site:hec.gov.pk restricts results to:

  1. PDF files only
  2. news older than one year
  3. pages from that website only
  4. images only

Answer: C) pages from that website only

Explanation: site: limits the domain.

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3. Buying products online from Daraz is an example of:

  1. e-government
  2. e-learning
  3. VoIP
  4. e-commerce

Answer: D) e-commerce

Explanation: Electronic commerce.

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4. The first ARPANET message was sent from UCLA to:

  1. Harvard
  2. MIT
  3. Oxford
  4. Stanford Research Institute (SRI)

Answer: D) Stanford Research Institute (SRI)

Explanation: UCLA and SRI were the first two nodes.

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5. Software used to access and display web pages is a:

  1. web server
  2. search engine
  3. web browser
  4. ISP

Answer: C) web browser

Explanation: Chrome, Edge and Firefox are browsers.

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6. The padlock icon in the address bar indicates that the site uses:

  1. a virus
  2. HTTPS (secure connection)
  3. a search engine
  4. FTP

Answer: B) HTTPS (secure connection)

Explanation: The connection is encrypted.

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7. ARPA stands for:

  1. Applied Research Programming Area
  2. Automatic Routing Packet Architecture
  3. American Radio Protocol Association
  4. Advanced Research Projects Agency

Answer: D) Advanced Research Projects Agency

Explanation: A US defense research agency.

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8. ARPANET adopted TCP/IP on:

  1. 2000
  2. 1 January 1983
  3. 1991
  4. 1 January 1969

Answer: B) 1 January 1983

Explanation: Often called the birth of the modern Internet.

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9. ARPANET introduced the technique of sending data in small pieces called:

  1. frames of film
  2. packets (packet switching)
  3. sectors
  4. pixels

Answer: B) packets (packet switching)

Explanation: Packets travel independently and are reassembled.

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10. The difference between the Internet and the WWW is that:

  1. the Internet is the network infrastructure while the WWW is a service on it
  2. they are exactly the same
  3. the WWW is older than the Internet
  4. the Internet runs on the WWW

Answer: A) the Internet is the network infrastructure while the WWW is a service on it

Explanation: The Web uses the Internet to deliver pages.

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11. A company that provides online content and services such as email, video or social networking is a(n):

  1. ISP only
  2. hardware manufacturer
  3. Online Service Provider (OSP)
  4. modem

Answer: C) Online Service Provider (OSP)

Explanation: e.g. Google, Meta, Netflix.

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12. Coursera and Khan Academy are examples of:

  1. ISPs
  2. browsers
  3. e-learning services
  4. protocols

Answer: C) e-learning services

Explanation: They provide online courses.

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13. Programs that automatically visit web pages and follow links for search engines are called:

  1. crawlers (spiders/bots)
  2. browsers
  3. firewalls
  4. cookies

Answer: A) crawlers (spiders/bots)

Explanation: They discover content to be indexed.

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14. Sending messages with attachments over the Internet is:

  1. FTP only
  2. crawling
  3. email
  4. browsing

Answer: C) email

Explanation: Electronic mail.

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15. Which order shows how a search engine works?

  1. Crawling → Indexing → Ranking
  2. Browsing → Bookmarking → Printing
  3. Ranking → Crawling → Indexing
  4. Indexing → Ranking → Crawling

Answer: A) Crawling → Indexing → Ranking

Explanation: Pages are found, stored, then ranked for queries.

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16. Which of the following is an Internet Service Provider in Pakistan?

  1. Google
  2. Netflix
  3. Facebook
  4. Nayatel

Answer: D) Nayatel

Explanation: Nayatel provides Internet connections.

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17. The Internet is best described as:

  1. a web browser
  2. a search engine
  3. a single computer in the USA
  4. a global network of networks

Answer: D) a global network of networks

Explanation: It connects millions of networks worldwide.

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18. "Google Chrome" and "Google Search" are respectively a:

  1. ISP and OSP
  2. server and protocol
  3. search engine and browser
  4. browser and search engine

Answer: D) browser and search engine

Explanation: Chrome displays pages; Google Search finds them.

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19. ARPANET was funded by the:

  1. United Nations
  2. US Department of Defense
  3. CERN
  4. Microsoft

Answer: B) US Department of Defense

Explanation: Through ARPA (now DARPA).

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20. The first popular graphical web browser (1993) was:

  1. Chrome
  2. Edge
  3. Mosaic
  4. Firefox

Answer: C) Mosaic

Explanation: Mosaic made the Web popular.

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21. Who are known as the "Fathers of the Internet" for designing TCP/IP?

  1. Vint Cerf and Bob Kahn
  2. Bill Gates and Paul Allen
  3. Steve Jobs and Steve Wozniak
  4. Larry Page and Sergey Brin

Answer: A) Vint Cerf and Bob Kahn

Explanation: They designed TCP/IP in 1973–74.

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22. The list of web pages you visited recently is stored in the browser's:

  1. downloads only
  2. bookmarks bar
  3. address bar
  4. history

Answer: D) history

Explanation: Ctrl + H opens history.

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23. Google was founded in:

  1. 2010
  2. 1969
  3. 1983
  4. 1998

Answer: D) 1998

Explanation: By Larry Page and Sergey Brin.

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24. Mobile companies such as Jazz and Zong act as ISPs when they provide:

  1. web browsers
  2. search engines
  3. operating systems
  4. mobile data Internet access

Answer: D) mobile data Internet access

Explanation: They connect users to the Internet.

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25. Making voice calls over the Internet is called:

  1. FTP
  2. HTML
  3. DNS
  4. VoIP

Answer: D) VoIP

Explanation: Voice over Internet Protocol.

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