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In data communication , wich device converts digial data to analogue signal?

In data communication , wich device converts digial data to analogue signal? Correct Answer Modem

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Consider the statements given below and select the correct statement(s)
1. Computer-mediated communication (CMC) is defined as any human communication that occurs through the use of two or more electronic devices.
2. Computer-mediated Communication can be broken down into two forms i.e. synchronous and asynchronous.
3. Synchronous computer mediated communication refers to communication which occurs in real time.
4. Asynchronous computer mediated communication refers to communication which takes place when the parties engaged are not communicating in unison.
Which of the following set of statements are correct for describing the human communication process?
1. Non-verbal communication can stimulate ideas.
2. Communication is a learnt ability.
3. Communication is not a universal panacea.
4. Communication cannot break down.
5. More communication means more effective learning by students.
6. Value of what is learnt through classroom communication is not an issue for students.
Select the correct answer
We describe a protocol of input device communication below: i) Each device has a distinct address. ii) The BUS controller scans each device in a sequence of increasing address value to determine if the entity wishes to communicate iii) The device ready to communicate leaves its data in the I/O register iv) The data is picked up and the controller moves to the step a Identify the form of communication best describes the I/O mode amongst the following.
Consider the following statements regarding modulation : 1. The communication systems, where a weak signal is transmitted by the use of a modulation is essential in carrier signal. 2. When the frequency of the high frequency signal is varied in accordance with the intensity of the low-frequency weak signal, the modulation is said to be frequency modulation. 3. The process of recovering original baseband signal from the modulated signal is called phase modulation. Which of the above statements are correct ? 
Which of the following statements regarding Modems are correct?  A. It is used to convert digital data into analogue  B. It also converts analoque data into digital data  C. Sends the data packet to specific addresses  D. Inspects data packets received over the internet  Choose the correct answer from the options given below
Match List I with List II List I (Examples of Communication) List II (Type of Communication) a)  A company boss telephones his / her secretary for some help from outside. i)  Marketing communication b)  A company issues a circular of guidelines for its employees. ii)  Horizontal communication c)  Employees discuss certain issues among themselves. iii)  Vertical communication d)  A company sends a formal letter to its retailers and wholesalers. iv)  Informal communication   Choose the correct answer from the options given below:
A deterministic signal has the power spectrum given in figure. The minimum sampling rate needed to completely represent signal is
Digital Communication mcq question image
In data communication which device converts digital data to analog signal?
Which of the following statements are true with regards to communication? 1) When the teacher warns a student by looking at him is non-verbal communication. 2) The Manager tells the clerk to complete the file by next day is a formal communication. 3) When communication takes place between two persons of different levels who have no direct reporting relationships is called Lateral communication.
Farah while teaching the theme 'Means of communication' to class III students uses which of the following strategies to encourage inquiry among learns? A) Asks students to collect and classify pictures of means of communication B) Shows a video of means of communication  C) Asks students to narrate their experiences of means of communication and discusses with them  D) Shows a power-point presentation on means of communication