CBSE Class-X Information Technology- Solution-Unit-I(Session-I):

Unit-I

Session-1

Solved Exercise:

I.                   Multiple choice questions. Tick (√) the correct answer
1. What do you think is the purpose of communication?
a. To inform b. To share thoughts, ideas and feelings
c. To influence   d. All of these
Answer: To share thoughts, ideas and feelings
2. Which of these is not an element of the non-verbal communication?
a. Words b. Gestures c. Expressions d. Body language
Answer: Words
3. Which of these is the essential element of verbal communication?
a. Pictures b. Sound c. Language d. Video
Answer: Language
4. Which of the following methods are used to receive information from the sender through a letter?
a.      Reading    b. Writing   c. Speaking      d. Listening
Answer: Writing
5. Which of these is an example of visual communication?
a.   Letter      b. Phone call c. Book d. Traffic lights
Answer: Traffic lights

II. Fill in the blanks:

1. Three most commonly used methods of communication are verbal communication, non-verbal communication and _______ communication.

Answer: Visual

2. _______ refers to the use of eye movement, gaze and eye behavior during communication.

Answer: Oculesics

3. The ____ refers to nonverbal elements of the voice like voice pitch, rhythm, tempo, resonance etc.

Answer: Paralanguage

4. The _______ communication takes palace through facial expressions, gestures etc.

Answer: Nonverbal

5. Communication of messages through the use of colors is called______.

Answer: Chromatics

III. Short answer questions.

1. What is the meaning of verbal communication?

Answer: The word verbal means ‘relating to or in the form of words’. When communication takes place with the help of words (spoken or written), it is referred to as verbal communication. Language plays a very important role in verbal communication. Both the sender and the receiver use a mutually understandable language such as English, Hindi, Tamil, Punjabi, etc. to communicate with each other in verbal communication.

2. How is verbal communication different from non-verbal communication?

Answer:

Verbal Communication: When communication takes place with the help of words, it is referred to as verbal communication. In verbal communication, the sender composes the message by arranging words in a structured and meaningful manner.

Non-verbal Communication: Non-verbal communication does not occur only through words or verbal means. It also takes place through non-verbal means like facial expressions, hand movements, appearance, body language, postures, gestures, etc. When we see the sad face of our friend, communication takes place.

3. List down a few limitations of non-verbal communication.

Answer:

1. Non-verbal communication is quite vague and imprecise.

2. In non-verbal communication, long conversations and necessary explanations are not possible.

3. Non-verbal communication is culturally influenced.

4. Sometimes nonverbal communication may become difficult to understand.

5. Since non-verbal communication uses gestures, facial expressions, eye contact, touch, sound etc. for communicating with others, there is a possibility of distortion of information.

4. What is visual communication? Give two examples of visual communication.

Answer: Visual communication or graphic communication is the third most important method of communication. It can be defined as the transmission of information and ideas using signs, symbols, photographs, tables, images, drawings, videos and animation. Any image that is used to communicate an idea, whether it is a poster, drawing, photograph, graph, chart, a television advertisement, etc. can be included as a mode of visual communication.

5. List two limitations of visual communication?

Answer: There are some limitations of visual communication.

1. Not cost effective: Creating and suing visuals like maps, charts, diagrams, animation etc. requires tools and techniques that cost a lot of money.

2. Too brief: Complete and detailed information cannot be presented using this method.
3. Limited scope: Every topic cannot be represented visually.
4. Difficult to understand: Visual tools such as graphs and map can be difficult to understand.

6. What is para-language in non-verbal communication?

Answer: Para-language: Para-language refers to the nonverbal elements of the voice. This includes vocal qualities such as pitch, rhythm, temp, resonance, control, pace and the use of voice segregates such as “aah”, “um”, etc.