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Tuesday, April 14, 2026

WHAT IS INTERNET? CLASS-8-CH-1-(2026-27):

CBSE SOLUTIONS-2026-27 ,
WHAT IS INTERNET? CLASS-8-CH-1-(2026-27):


CBSE SOLUTIONS-2026-27
CLASS-8
CHAPTER-1 INTERNET ETHICS

A. Use your pencil and fill the correct circles:
1. These are unwanted bulk e-mails from strange sources:
(A) Trash  (B) Spams  (C) Phishing  (D) E-mail
Answer: (B) Spams
2. The trail or information you leave behind when you go online:
(A) Plagiarism  (B) Copyright  (C) Both A & B  (D) Digital footprint
Answer: (D) Digital footprint
3. Illegal activities done using the internet or computer:
(A) Cybercrime  (B) Digital footprint  (C) Software piracy  (D) Spamming
Answer: (A) Cybercrime
4. This involves sending massive amounts of spam emails by spammers until the mail server becomes overloaded and crashed:
(A) Hacking  (B) Mail bombing  (C) Phishing  (D) All of these
Answer: (B) Mail bombing

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WHAT IS NUMBER SYSTEM? CLASS-7-CH-1-(2026-27):

CBSE SOLUTIONS-2026-27 ,
WHAT IS NUMBER SYSTEM? CLASS-7-CH-1-(2026-27):


CBSE SOLUTIONS-2026-27
CLASS-7
CHAPTER-1 NUMBER SYSTEM

A. Multiple Choice Questions:
Q1. The number system consists of 0 and 1 is known as:
(A) Binary number system
(B) Decimal number system
(C) Octal number system
(D) Hexadecimal number system
Answer: (A) Binary number system

Q2. The number system having ‘10’ as its base:
(A) Binary number system
(B) Decimal number system
(C) Octal number system
(D) Hexadecimal number system
Answer: (B) Decimal number system

Q3. The number system having ‘16’ as its base:
(A) Binary number system
(B) Decimal number system
(C) Octal number system
(D) Hexadecimal number system
Answer: (D) Hexadecimal number system

Q4. In hexadecimal number system, a stands for:
(A) 10
(B) 11
(C) 12
(D) None of these
Answer: (A) 10

Q5. This number system consists of eight digits:
(A) Binary number system
(B) Decimal number system
(C) Octal number system
(D) Hexadecimal number system
Answer: (C) Octal number system

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Sunday, April 12, 2026

METHODS OF COMMUNICATION-CLASS-9-U-I-CH-1(2026-27):

CBSE SOLUTIONS-2026-27 ,
METHODS OF COMMUNICATION-CLASS-9-U-I-CH-1(2026-27):

CBSE-SOLUTIONS
CLASS-9
PART-A
UNIT-I COMMUNICATION SKILLS-I
Chapter-1 METHODS OF COMMUNICATION

A. Answer the following:
1. Define verbal and non-verbal communication.
Answer:
Verbal communication is the use of words to convey a message. It can be oral (spoken) or written.
Non-verbal communication is the transmission of messages without using words. It includes body language, facial expressions, gestures, eye contact, posture, tone of voice, and use of space and time.

2. What is oral communication and describe its advantages and disadvantages?
Answer:
Oral communication is the process of expressing information or ideas through spoken words. It includes face-to-face conversations, meetings, telephone calls, presentations, etc.
Advantages:
1. Immediate feedback
2. Personal touch and emotional connection
3. Quick and time-saving
4. Flexible and can be adjusted according to the listener’s reaction
5. Suitable for discussions and brainstorming
Disadvantages:
1. No permanent record (unless recorded)
2. Can be easily forgotten or misunderstood
3. Not suitable for long or complex information
4. May lead to distortion of message when passed through many people
5. Affected by speaker’s tone, accent, or speaking style

3. Define written communication and its importance in business.
Answer:
Written communication is the process of exchanging information through written words. It includes letters, emails, reports, memos, notices, contracts, etc.
Importance in Business:
1. Provides a permanent record for future reference
2. Helps in maintaining clarity and accuracy
3. Useful for legal and official purposes
4. Can be easily circulated to a large number of people
5. Reduces misunderstandings as the message is documented
6. Allows time for careful drafting and editing

4. What are the disadvantages of written communication?
Answer:
The main disadvantages of written communication are:
1. Time-consuming (drafting, editing, and sending takes time)
2. No immediate feedback
3. Lacks personal touch and emotional appeal
4. Can be expensive (printing, postage, etc.)
5. Difficult to maintain secrecy
6. Language barriers or poor writing skills can create confusion
Once sent, it cannot be changed or withdrawn easily

5. Explain visual and auditory.
Answer:
Visual Communication: It involves the use of visual elements to convey messages. Examples include charts, graphs, diagrams, pictures, videos, signs, symbols, and body language (gestures and facial expressions). It is very effective because “a picture is worth a thousand words.”
Auditory Communication: It involves the use of sound or spoken words to communicate. It includes oral communication, music, alarms, bells, tone of voice, etc. It is fast and allows immediate response.
6. Describe Body Language.
Answer:
Body language is a type of non-verbal communication in which physical behavior, as opposed to words, is used to express or convey information. It includes:
* Facial expressions
* Gestures
* Posture and stance
* Eye contact
* Head movements
* Proximity (personal space)
Body language often reveals a person’s true feelings more accurately than words.

7. Explain kinesics.
Answer:
Kinesics is the study of body movements, gestures, facial expressions, and posture as a means of communication. It was introduced by anthropologist Ray Birdwhistell.
Kinesics includes:
1. Emblems (specific gestures with direct meaning, e.g., thumbs up)
2. Illustrators (gestures that accompany speech)
3. Affect displays (facial expressions showing emotions)
4. Regulators (gestures that control conversation flow)
5. Adaptors (self-touching behaviors)

8. What do you understand by oculesics and tactilics?
Answer:
Oculesics: It is the study of eye behavior and eye contact in communication. It includes eye gaze, eye movement, pupil dilation, and duration of eye contact. Eye contact is a powerful tool that shows attention, interest, honesty, or dominance.
Tactilics (Haptics): It is the study of touch as a form of non-verbal communication. It includes handshakes, pats on the back, hugs, holding hands, etc. The meaning of touch varies according to culture, relationship, and context.

9. What is the role of time in communication?
Answer:
Time plays a significant role in communication and is studied under Chronemics.
Monochronic time culture: People do one thing at a time, value punctuality, and follow strict schedules.
Polychronic time culture: People do multiple things at once and are more flexible with time.
The way a person uses time (being on time, delaying, waiting, etc.) sends strong messages about their attitude, respect, status, and urgency.
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METHODS OF COMMUNICATION-CLASS-10-U-1-CH-1(2026-27):

CBSE SOLUTIONS-2026-27 ,
METHODS OF COMMUNICATION-CLASS-10-U-1-CH-1(2026-27):


CBSE-SOLUTIONS
CLASS-10
PART-A
UNIT-I COMMUNICATION SKILLS-II
Chapter-1 METHODS OF COMMUNICATION

A. Multiple Choice Questions
1. In oral communication, one can converse:
(a) Face to face
(b) Over the phone
(c) Chat rooms
(d) All of the above
Answer: (d) All of the above
(Explanation: Oral communication includes direct speaking in all these forms.)

2. Verbal communication is convenient for:
(a) Long messages
(b) Easy rectification
(c) Time saving
(d) All of the above
Answer: (d) All of the above
(Explanation: Verbal communication supports all these advantages.)

3. Dos of non-verbal communication include:
(a) Crossing your arms while having a conversation
(b) Appearing to be engaged and involved
(c) Touching one’s face often
(d) Fidgeting
Answer: (b) Appearing to be engaged and involved
(Explanation: This is a positive “Do”. Options (a), (c), and (d) are generally negative or distracting non-verbal behaviours.)

4. “A picture is worth a thousand words” refers in context to:
(a) Written communication
(b) Oral Communication
(c) Visual communication
(d) None of the above
Answer: (c) Visual communication
(Explanation: The proverb emphasizes the effectiveness of images and visuals.)

5. ________ is the final component in the process of communication as it defines the response given by the receiver to the sender.
(a) Feedback
(b) Response
(c) Request
(d) Notice
Answer: (a) Feedback
(Explanation: Feedback completes the communication cycle.)

6. A sentence which expresses a command or an order is known as:
(a) Declarative sentence
(b) Interrogative sentence
(c) Imperative sentence
(d) Exclamatory sentence
Answer: (c) Imperative sentence
(Example: “Close the door.”)

7. ________ feedback is specific information, in the form of written comments or verbal conversations that help the learner understand what she or he needs to do in order to improve.
(a) Descriptive
(b) Specific
(c) General
(d) Sign
Answer: (b) Specific
(Explanation: Specific feedback is clear, detailed, and actionable.)

8. ________ communication is the use of body language, gestures and facial expressions to convey information to others.
(a) Verbal
(b) Written
(c) Non-Verbal
(d) Visual
Answer: (c) Non-Verbal
(Explanation: Non-verbal communication uses body language, gestures, etc.)

9. Karan lives at a hostel in Shimla. He calls his mother who lives in Delhi, to get her approval for the robotics class which is going to start in his school next week onwards. However, due to disruption in the phone line, his mother could not understand and reply to him. He got very upset. Which another medium can he use to get immediate approval of his mother?
(a) E-mail
(b) Letter
(c) Message through Friend
(d) Fax
Answer: (a) E-mail
(Explanation: E-mail is fast, written, and provides immediate delivery with a record. Letter and Fax are slower; message through friend is indirect.)

10. Which of the following is not an element of communication within the communication process cycle?
(a) Channel
(b) Receiver
(c) Sender
(d) Time
Answer: (d) Time
(Explanation: Core elements are Sender, Message, Channel, Receiver, and Feedback. Time is not a core element.)

11. By which action can senders send their messages?
(a) Gestures
(b) Speaking
(c) Reading
(d) Writing
Answer: (b) Speaking
(Explanation: Speaking is the primary action for the sender in verbal/oral communication. Gestures are non-verbal; reading is receiving; writing is for written communication.)

12. Why do we use e-mails?
(a) To communicate with many people at the same time
(b) To share documents and files
(c) To talk to each other in real time
(d) To keep a record of communication
Answer: (a) To communicate with many people at the same time

13. Which of the following is true about communication?
(a) 50% of our communication is non-verbal.
(b) 20% communication is done using body movements, face, arms, etc.
(c) 5% communication is done using voice, tone, pauses, etc.
(d) 7% communication is done using words.
Answer: (a) 50% of our communication is non-verbal.

14. Identify the object, verb and subject in the sentence, ‘The car crashed into a tree.’
(a) Object: a tree; Verb: crashed; Subject: the car
(b) Object: the car; Verb: crashed; Subject: a tree
(c) Object: crashed; Verb: the tree; Subject: the car
(d) Object: crashed; Verb: the car; Subject: the tree
Answer: (a) Object: a tree; Verb: crashed; Subject: the car

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Sunday, December 28, 2025

PYTHON CODE EXAMPLE-Class-8-Chapter-9(2025-26):

CBSE Solutions-2025-26 ,
PYTHON CODE EXAMPLE-Class-8-Chapter-9(2025-26):

CBSE SOLUTIONS-2025-26
CLASS-8
CHAPTER-9 LET US CODE WITH PYTHON

A. Tick (✓) the correct answer:
1.When a new value is stored in a variable, its previous value gets __________.
(a) Accepted
(b) Overwritten
(c) Overlapped
(d) None of these
Answer: (b) Overwritten ✓
2.The data type for 12.4 should be __________.
(a) Int
(b) Float
(c) Str
(d) None of these
Answer: (b) Float ✓
3.Which of the following data types is not supported in Python?
(a) Char
(b) Float
(c) Int
(d) None of these
Answer: (a) Char ✓
4.>>> print('10'+'20') will give the output __________.
(a) 30
(b) 1020
(c) 2010
(d) None of these
Answer: (b) 1020 ✓
5.Values are assigned to variables using the __________ operator.
(a) String
(b) Print()
(c) Assignment
(d) None of these
Answer: (c) Assignment ✓

B. Write 'T' for true and 'F' for false in the given circles:
1.A variable name can consist of letters, digits, and underscore.
Answer: T
2.In Python, only one type of data can be stored in memory.
Answer: F
3.To evaluate an arithmetic expression, it is not necessary to use the print() function.
Answer: T
4.The string values cannot be multiplied together.
Answer: F
5.In Python, data types represent the type of data stored in a variable.
Answer: T

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