SSC CGL Computer – Internet, Web Browsing & E-mail – Exam-Level Drill

← Back

SSC CGL Computer – Internet, Web Browsing & E-mail – Exam-Level Drill – 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.

Get daily current affairs & exam alerts – follow us YouTube WhatsApp Channel Telegram Channel Facebook Page Instagram
Share with friends & study groups
Link to this page from your website / blog (HTML code)
1.  
A 1.6 GB video (take 1 GB = 1,000 MB) is downloaded at 80 Mbps. How long does it take?

Correct Answer: C [160 seconds]

Explanation:

1,600 MB × 8 = 12,800 megabits ÷ 80 = 160 s = 2 min 40 s.

2.  
A file takes 2 minutes to download at 25 Mbps. How long will it take at 40 Mbps?

Correct Answer: A [75 seconds]

Explanation:

Size fixed → time ∝ 1/speed: 120 × 25/40 = 75 s.

3.  
Statement-basedWhich of the following is/are correct?
I. A mail with 3 To, 2 Cc and 4 Bcc receivers shows 5 receiver addresses to a Cc receiver.
II. In the same mail, a Bcc receiver can see the addresses of the other 3 Bcc receivers.

Correct Answer: D [Only I]

Explanation:

A Cc receiver sees 3 To + 2 Cc = 5; a Bcc receiver never sees the other Bcc addresses.

4.  
In the same mail (3 To, 2 Cc, 4 Bcc), a Cc receiver clicks Reply All. How many people receive the reply?

Correct Answer: B [5]

Explanation:

Sender + 3 To + other 1 Cc = 5 (Bcc never included, and not yourself).

5.  
Match the followingMatch the full forms:
P. IMAP Q. MIME R. DNS S. ISP
1. Internet Message Access Protocol 2. Internet Service Provider 3. Domain Name System 4. Multipurpose Internet Mail Extensions

Correct Answer: C [P-1, Q-4, R-3, S-2]

Explanation:

IMAP, MIME, DNS and ISP expanded.

6.  
Match the followingMatch the name with the milestone:
P. Tim Berners-Lee Q. Ray Tomlinson R. NCSA S. VSNL
1. network e-mail with @, 1971 2. Web proposal, 1989 3. Mosaic browser, 1993 4. public Internet in India, 1995

Correct Answer: A [P-2, Q-1, R-3, S-4]

Explanation:

Berners-Lee – Web; Tomlinson – e-mail; NCSA – Mosaic; VSNL – India 1995.

7.  
A user reads mail on a phone, a laptop and webmail and wants the same folders and read/unread marks everywhere. Which setting suits her?

Correct Answer: D [IMAP]

Explanation:

IMAP keeps mail on the server and syncs folders across devices.

8.  
Odd one outWhich of the following is NOT a search operator on Google's official list?

Correct Answer: B [#word]

Explanation:

Google lists quotes, minus, site:, filetype:, before:, after: – not #.

9.  
Which TLD is reserved for international treaty organisations?

Correct Answer: A [.int]

Explanation:

.int = international organisations set up by treaty; .org is generic.

10.  
A school uploads 240 answer-sheet scans of 1.5 MB each on an 8 Mbps upload line. How many minutes does the upload take?

Correct Answer: D [6 minutes]

Explanation:

360 MB × 8 = 2,880 Mb ÷ 8 = 360 s = 6 minutes.

11.  
True/False countHow many of the following statements are true?
1. An intranet is open only to the members of one organisation.
2. An extranet lets chosen outsiders reach part of an intranet.
3. The Web cannot work without the Internet.
4. Cache stores your passwords for websites.

Correct Answer: B [Only three]

Explanation:

1–3 true; cache stores page files for speed, not passwords → three.

12.  
Assertion–Reason
A: A link such as bank.co.in.login-help.xyz belongs to the domain .xyz.
R: A domain name is read from right to left, the last label being the TLD.

Correct Answer: C [Both A and R are true and R explains A]

Explanation:

The TLD is the right-most label (.xyz), so the site is not under .co.in.

13.  
An online class is streamed for 2 hours at 4 Mbps. How much data (in MB) does it use?

Correct Answer: D [3600 MB]

Explanation:

4 Mbps × 7,200 s = 28,800 megabits ÷ 8 = 3,600 MB.

➤ 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
Get the book – ₹149 ₹299 →
Score: 0 Answered: 0 / 0