CBSE Class 12 - Computer Science / Informatics Practices - Computer Networking - Q and A (#cbseNotes)

Computer Networking 

Q and A

Q1: What is a computer network?

Answer: A computer network is a collection of interconnected computers. Two computers are said to be interconnected if they are capable of sharing hardware, software and exchanging information.


Q2: Name the architectures that are involved in network design?

Answer:
① Peer to peer (P2P)
② Client - Server
③ Hybrid of client-server and P2P

CBSE Class 11 and 12 Computer Science - (C++ / Python) -Syllabus (2017-18) (#cbseNotes)

Computer Science (C++ / Python) -Syllabus (2017-18)

CBSE Class 11 and 12 Computer Science

Here presents the prescribed syllabus for Class 11 and Class 12 Computer Science for the curriculum 2017-18.

CBSE Class 8/9/10 - English - Writing A Biographical Sketch (#cbseNotes)

Write A Biographical Sketch

English Writing Skills

A biographical sketch or bio-sketch is a brief summary of a person's life achievements. It includes professional, educational accomplishments, publications and affiliations that highlight important aspects of his experiences, training etc.

While writing the bio-sketch,

• It should be written in the third form.
• It should outline important events of a person's life including experiences, competencies and interests.
• Special awards and recognitions be mentioned.
• Emphasize on portraying a person in an admirable manner

An Example of Biographical Sketch Format

•  Name and age
•  Main personality traits
•  Special interests
•  Education and training
•  Special contribution or research, if any
•  Why people like him/her

CBSE Class 8 - Unit Test Paper Mathematics - Rational Numbers (#cbseNotes)

CBSE Class 8 - Unit Test Paper Mathematics - Rational Numbers

CBSE Class 11 - Mathematics - CH1 - Sets (Unit Test Paper) (#cbseNotes)

Sets 

(Unit Test Paper)

CBSE Class 11 - Mathematics

1. Write the set of all vowels in the English alphabet which precede k. [1]

2. Is pair of sets equal? Give reasons. [1]
A = {2, 3} B = x : x is solution of x 2 + 5x + 6 = 0}

3. Write the following intervals in set builder form: [1]
(-3, 0) and [6, 12]

CBSE Class 9 Hindi (B) - कक्षा ९ - हिंदी - संचयन - पाठ १ - गिल्लू (#cbseNotes)

पाठ १ - गिल्लू

कक्षा  ९ - हिंदी - संचयन 

प्र१: सोनजुही में लगी पीली कली को देख लेखिका के मन में कौन से विचार उमड़ने?

उत्तर : गिल्लू  को सोन जूही की लता  सबसे अधिक प्रिय थी | जब उसकी मृत्यु हुई तो उसको उसी लता के नीचे समाधि दे दी गई |  सोन जूही में लगी पीली कली को देखकर लेखिका को लगा कि गिल्लू कली के रूप में प्रकट हो रहा है|


प्र २: पाठ के आधार पर कौवे को एक साथ समादरित और अनादरित प्राणी क्यों कहा जाता है?

उत्तर: हमारी संस्कृति में पूर्वजों को बहुत महत्व दिया गया है |  मान्यता है पितृ पक्ष में पुरखे ना गरुड़ के  रूप में आ सकते हैं, ना मयूर के, ना हंस के | हमसे कुछ पाने के लिए कौवे के रूप में आना पड़ता है|  श्राद्ध के दिनों में कौय को आदर दिया जाता है|  लोग इन दिनों सबसे पहले कौवे को भोजन देते हैं तब कौवा समादरित प्राणी है|  इसके विपरीत कौवे की काँव-काँव कर्कश स्वर में होती है तब वह अनादरित प्राणी माना जाता है|   

CBSE CLASS 12 - Biology - CH 5 - Principles of Inheritance and Variation - Important Definitions (#cbseNotes)

Principles of Inheritance and Variation - Important Definitions

CBSE CLASS 12 - Biology

Q1: Define heredity.

Answer: It can be defined as the transmission of characters from one generation to successive generations of living organisms.


Q2: Define Alleles

Answer: The various forms of a gene are called alleles.


Q3: What are multiple alleles?

Answer: If a gene has more than two alleles then they are said to be multiple alleles. e.g. In humans ABO blood groups is an example for multiple allelism.


Q4: What is genotype?

Answer: The genetic constitution of an organism is its genotype.


Q5: What is phenotype?

Answer: The external / observable characteristics of an organism constitute its phenotype.