[Jail Warder S-4 2021 ]
6. In which channel the data can flow in both the directions but not at same time?
Duplex Channel
Half Duplex Channel
Simplex Channel
None of the above
7. Which function in MS Excel tells how many numeric entries are there ?
Num
Count
Sum
Chknum
8. Which feature of MS Word enables us to send same letter to different persons?
Macros
Template
Mail merge
Reviewing Pane
9. What is a portion of a document in which you set certain page formatting options?
Page Setup
Section
Page
Document
10. _________ is a form of cyber attack in which a hacker sends an email that has been manipulated to seem as if it originated from a trusted source.
Email spooling
Email spoofing
Email spanning
Email injection