SSC CGL Computer – E-Banking & Digital Payments Basics – Level 3 · Challenge

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SSC CGL Computer – E-Banking & Digital Payments Basics – Level 3 · Challenge – 6 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.  
Luhn check: Which of these made-up 16-digit numbers passes the check-digit test?

Correct Answer: A [4219 8765 0314 7623]

Explanation:

Only the first (4219 8765 0314 7623) gives a Luhn total that is a multiple of 10 (70).

2.  
True/False countHow many of these are safe e-banking practices?
1. Typing the bank's web address yourself instead of clicking a link in an e-mail
2. Logging in to net banking on free public Wi-Fi at a railway station
3. Keeping SMS alerts on for every debit
4. Sharing the OTP with a caller who says he will cancel a fraud transaction

Correct Answer: C [Only two]

Explanation:

1 and 3 are safe; public Wi-Fi and sharing OTP are unsafe → two.

3.  
Ravi's phone suddenly shows 'No network' for many hours, and soon after he gets no OTPs while money leaves his account. Which fraud is most likely?

Correct Answer: B [SIM swap]

Explanation:

A duplicate SIM lets the criminal receive Ravi's OTPs.

4.  
Odd one outWhich of these is NOT a feature of UPI?

Correct Answer: D [The payee's account number and IFSC must always be typed]

Explanation:

UPI ID/QR hides the account number and IFSC – that is its main convenience.

5.  
Arrange in orderArrange the steps of a UPI payment in order: P. Payee's bank credits the account Q. Payer enters UPI PIN R. NPCI's UPI system routes the request S. Payer scans the QR code

Correct Answer: A [S → Q → R → P]

Explanation:

Scan → approve with PIN → NPCI routes → payee's bank credits.

6.  
Assertion–Reason
A: RTGS is called 'gross' settlement because it is used only for amounts above a fixed limit.
R: In gross settlement each transaction is settled individually, without netting.

Correct Answer: C [A is false but R is true]

Explanation:

A is false – 'gross' means one-by-one settlement, not 'large'.

➤ 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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