SSC CGL Computer – Internet, Web Browsing & E-mail – Level 1 · Warm-up

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SSC CGL Computer – Internet, Web Browsing & E-mail – Level 1 · Warm-up – 13 questions, subject: Computer Knowledge. Every question has the correct answer with a one-line explanation; tap "Show Answer". Free practice for TNPSC, UPSC, SSC, Bank and RRB exams – Shanmugam IAS Academy, Coimbatore.

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1.  
The Internet is best described as:

Correct Answer: D [A worldwide network of networks]

Explanation:

The Internet is the network (hardware + TCP/IP); web pages are one service on it.

2.  
The first web browser, written by Tim Berners-Lee at CERN by the end of 1990, was named:

Correct Answer: A [WorldWideWeb]

Explanation:

CERN: the first server and browser (WorldWideWeb) ran by the end of 1990; NCSA's Mosaic came in 1993.

3.  
What does URL stand for?

Correct Answer: B [Uniform Resource Locator]

Explanation:

URL = Uniform Resource Locator.

4.  
Which top-level domain is a sponsored TLD restricted to US post-secondary (college-level) institutions?

Correct Answer: C [.edu]

Explanation:

.edu is sponsored and restricted; .org and .com are generic; .in is India's country code.

5.  
Which protocol transfers files between computers and uses port 21 for its commands?

Correct Answer: A [FTP]

Explanation:

FTP = File Transfer Protocol (port 21 control, 20 data); SMTP 25 sends mail; HTTP 80 carries web pages.

6.  
Fill in the blankThe ____ field of an e-mail hides the receiver's address from all other receivers.

Correct Answer: D [Bcc]

Explanation:

Bcc = blind carbon copy – hidden from other receivers.

7.  
Odd one outWhich of the following is a web browser and NOT a search engine?

Correct Answer: B [Mozilla Firefox]

Explanation:

Firefox displays pages; the other three are search engines.

8.  
Stored copies of page files (pictures, scripts) that a browser keeps so that pages open faster next time are called the:

Correct Answer: C [Cache]

Explanation:

Cache = stored page files for speed; a cookie remembers you; history lists the pages visited.

9.  
One-line recallWhat is the default port number of IMAP?

Correct Answer: C [143]

Explanation:

IMAP 143; POP3 110; SMTP 25; HTTPS 443.

10.  
Copying a file from a website to your own computer is called:

Correct Answer: B [Downloading]

Explanation:

Download = Internet → your device; upload = your device → Internet.

11.  
Mail that you have written but not yet sent is kept in which folder?

Correct Answer: A [Drafts]

Explanation:

Drafts = written, not sent; Outbox = waiting to go; Sent = already sent.

12.  
What does DNS do?

Correct Answer: D [Converts domain names into IP addresses]

Explanation:

DNS (Domain Name System) is the Internet's phone book: name → IP address.

13.  
A website that many users can edit together, such as Wikipedia, is called a:

Correct Answer: D [Wiki]

Explanation:

Wiki = collaboratively edited site; blog = online diary.

➤ Full notes, shortcuts and every answer explained – SSC CGL 2026 Computer Knowledge book (₹149): www.shanmugamiasacademy.in/study-materials/ssc-cgl-computer-knowledge

📘 SSC CGL 2026 – Computer Knowledge (Tier II Paper I – Section III)
Here you get the answer with a one-line explanation. 672 original questions with answer key and explanations · notes, figures, shortcut keys and memory aids · practice sets + 3 Computer Knowledge mock tests
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