☰
GkSeries.com
✕
Current Affairs Quiz 2025
GK
Courses
Aptitude
Banking
English
UGC NET
CBSE NET | Teaching & Research Aptitude Question Answers
Home
National Eligibility Test
which-of-the-following-statements-is-true
Q.
Which of the following statements is true?
[A] Smart cards do not require an operating system.
[B] Smart cards and PCs some operating system.
[C] COS is smart card operation system.
[D] The communication between reader and cards is full duplex mode.
Answer & Explanation
Option: [C]
Next Question of 500+ questions →
Click Here to Read more questions