A. Simplex (A-II): In this mode, data can only be sent or received, not both. It is a one-way communication mode.
B. Duplex (B-I): In this mode, data can be sent and received at the same time. It allows for two-way communication simultaneously.
C. Half-duplex (C-III): In this mode, data can be sent and received, but not at the same time. Communication is two-way but not simultaneous.
English
10 Questions
20 Marks
12 Mins English English50 Questions100 Marks60 Mins English English10 Questions20 Marks12 Mins EnglishMatch the LIST-I with LIST-II:
List – I | List – II | ||
A. | Contactless Credit Cards | I. | Bar Code Reader |
B. | Multiple-choice answers in an examination paper | II. | RFID Reader |
C. | Scan items at a computerized till | III. | OCR |
D. | Convert printed or handwritten documents into an editable electronic format | IV. | OMR |
Choose the correct answer from the options given below:
In the context of cyber security, which of the following is a risk of phishing for the target users?
Which of the following is the first completely open source mobile operating system developed by Google, meaning that it is free to any cell phone mobile network?
The topology in which each communicating device is connected to a central node is called:
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