Multiple choice technology

Closed socket error is related to

  1. Handheld scanner

  2. Barcode scanner

  3. Chip and Pin

  4. Manual PDQ

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A 'Closed socket error' typically occurs in payment processing systems when the connection between the POS terminal and the Chip and Pin machine is unexpectedly terminated. It is not associated with barcode scanners or manual PDQs.