Class 10 Computer Applications | Internet Basics Quiz #eduvictors

Class 10 Computer Applications 
Internet Basics Quiz

Class 11 Informatics Practices - Introduction to Databases- Questions and Answers on MySQL (Part 1) #eduvictors #class11IP #class12IP #class11ComputerScience

 Class 11 Informatics Practices
Introduction to Databases
 Questions and Answers on MySQL
(Part 1)

Q1. What is database?

Answer: A database is an organized collection of data. The data are typically organized to model aspects of reality in a way that supports processes requiring this information. The term "database" can both refer to the data themselves or to the database management system.

Class 11 - Informatics Practices - Python Snippets (Set-2) #Class11Python #cbseClass11 #Class11ComputerScience #Python #eduvictors

Class 11 - Informatics Practices - Python Snippets (Set-2)

Write Python Programs for the following problem statements:

1. Write a program in python to input marks in 5 subjects from the user and display the average marks.

2. Write a program in python to read details like name, class, age of a student and then print the details firstly in same line and then in separate lines.

3. Write a program in python to input a number and print its first five multiples.

4. Write a program to read a number n and print n, n² , n³ and n⁴

5. Write a program that generates the following output: 5 @ 10 @ 9

CBSE Class 11 - Python Conditional Statements - Computer Science/ Informatics Practices (#class11InformaticsPractices)(#class11ComputerScience)(#python)(#eduvictors)

CBSE Class 11 - Python Conditional Statements - Computer Science/ Informatics Practices 

Q1: What do conditional statements do?

Answer: Conditional statements let us write program to do different tasks or take different paths based on the outcome of the conditions.

Q2: What is meant by a control structure?

Answer: A control structure is a logical design that controls the order in which a set of statements execute. 

Thre are three types of control structures:

Worksheet on Database Management Systems - Class 10 / Class 11/Class 12 - Information Technology /Computer Science / Informatics Practices

Worksheet on Database Management Systems

Class 10 - Information Technology  

Class 11/Class 12 - Computer Science / Informatics Practices 

Directions: Fill in the blanks with suitable words.

1 _______ is a collection of related information.

2 _______ are the basic building blocks of a database. 

3 Table is also known as ________

4 In a table, columns are also called ________ and rows are called _________.

Class 11 - Informatics Practices / Computer Science - Computer System Overview (Part-2) Questions and Answers (#eduvictors)(#class11InformaticsPractices)

Computer System Overview 

(Part-2) 

Questions and Answers 

Class 11 - Informatics Practices / Computer Science

Q1: What is an input device?

Answer: A device through which data and programs from the outside world enter the computer system is called an input device. It  converts the input data into a digital form that is acceptable by the computer system.


Q2: Identify the input device from the picture given below. Write one line description about each item .

Class 11 - Informatics Practices / Computer Science - Computer System Overview (Part-1) Questions and Answers (#eduvictors)(#class11InformaticsPractices)

Computer System Overview 

(Part-1) 

Questions and Answers 

Class 11 - Informatics Practices / Computer Science

Q1: What is a computer?

Answer: A computer is an electronic device, under the control of instructions stored in its memory that can accept data (input), process the data according to specified rules(Program), produce information (output), and store the information for future use.

The word 'computer' comes from the word 'compute' which means to calculate.  Therefore, a computer is an electronic device that can perform arithmetic operations at high speed.


Q2: Why a computer is also called a data processor?

Answer: A computer is also called a data processor because it can store, process and retrieve data whenever desired.

CBSE Class 11 - Informatics Practices - Python Basics - Numpy Arrays (Part-1) - Question and Answers (#CBSEclass11Python)(#cbse)(#eduvictors)

Python Basics - Numpy Arrays 

(Part-1) - Question and Answers

CBSE Class 11 - Informatics Practices

Q1: What is NumPy?

Answer: 

1. NumPy stands for Numerical Python.

2. It is the core library for scientific computing in Python.

3. A NumPy array (also called ndarray) is a homogeneous multidimensional array of data objects.

4. A NumPy array is a table of elements (usually numbers), all of the same type, indexed by a tuple of positive integers.

5. Numpy module provides a set of methods and tools for working with these arrays.

6. In Numpy dimensions are called axes. The number of axes is rank.

Q2: What is the command line option to install NumPy module?

Answer: Run the following command at the command prompt. 

pip install numpy

Q3: What is one dimensional (1D) array?

Answer: A one-dimensional array or 1D array is a named group of a contiguous set of elements having the same data type. 1D arrays are also called vectors.

Q4: What is a multi-dimensional array?

Answer: A multidimensional array is an array of arrays. Multi-dimensional arrays are also known as matrices. For example, a two-dimensional array (2D array) has two axes i.e. rows and columns.

CBSE Class 11 - Informatics Practices - Python Basics - List Manipulation (Part-2) - Question and Answers (#eduvictors)(#class11Python)

Python Basics - List Manipulation (Part-2) - Question and Answers

CBSE Class 11 - Informatics Practices

Based on syllabus of Class 11 Informatics Practices, here are important Questions and Answers covered for the chapter List Manipulation.

The questions and answers will familiarise you with basics concepts of Python Lists and provide a framework for understanding the programming concepts.Software development isn’t any one thing, but a myriad of practices that coalesce into software in the end. Python has been a versatile language and is used by companies to write all sorts of applications.

List is an important data structure, part of a core Python. Lists have a variety of uses including data science, statistics and scientific computing. List is considered as a collection of objects and is ordered and changeable(mutable). It allows duplicate members.

Q1: What is the output of the following code?

list =['I','N','D','I','A']

print(list[0:3])

print(list[3:])

print(list[:])

Answer:

['I', 'N', 'D']

['I', 'A']

['I','N','D','I','A']

Display Lists

Q2: What is the output of the following code? What does the '+' operator' do in the code snippet?

CBSE Class 11 - Informatics Practices - Python Basics - List Manipulation (Part-1) - Question and Answers(#class11InformaticsPractices)(#eduvictors)

Python Basics - List Manipulation (Part-1)

Question and Answers

CBSE Class 11 - Informatics Practices & Computer Science

Q1: What is a list in Python?

Answer: List is a collections of items and each item has its own index value. It is the most versatile datatype available in core Python which can be written as a list of comma-separated values (items) between square brackets.

e.g.
[] # empty list
[1,2,3,4] #list of integers
[2.0, 4.56, 8.91, ] #list of floats
['Sunday', 'Monday', 'Tuesday'] #list of floats
['Nikita', 16, 'Class 11', True, 86.7] # list of mixed values

CBSE Class 11 - Informatics Practices - Python - String Manipulation (Part-2) - Question and Answers(#class11Python)(#eduvictors)

Python - String Manipulation (Part-2)

Question and Answers

CBSE Class 11 - Informatics Practices

Q1: What are membership operators for strings?

Answer: Two membership operators are:
in Returns True if a substring exists in the given string otherwise returns false.
             e.g. "xy" in "xyz"  #returns True
                    "ab" in "xyz"  #returns False

not in Returns True is a substring does not exist in the given string;
e.g. "ab" not in "xyz"   #returns True
       "xy"  not in "xyz"   #returns False


Q2: What is the output of the following?
str1 = "Hello World!"
str2 = "he"
str3 = "He"
str2 in str1
str3 in str1

CBSE Class 11 - Informatics Practices - Python - Type Conversion and Type Casting - Question and Answers(#class11Python)(#eduvictors)

Python Basics - Type Conversion and Type Casting 

Question and Answers

CBSE Class 11 - Informatics Practices

Question 1: What is Type Conversion?

Answer: Type conversion means converting one data type to another data type. Python supports two types of type conversion:

1. Implicity Type Conversion
2. Explicit Type Conversion (also called Type Casting)


Question 2: What is implicit type conversion? Give an example.

CBSE Class 11 - Informatics Practices - Python - String Manipulation (Part-1) - Question and Answers(#eduvictors)(#cbseClass11Python)

Python - String Manipulation (Part-1)

Question and Answers

CBSE Class 11 - Informatics Practices

Q1: What is a string in Python?

Answer: String is a sequence of characters, which is enclosed between either single(' ') quotes or double quotes(" "), python treats both single and double quotes same.

e.g. 

      str1 = "Welcome to the Python World."

Q2: Can a double-quoted string contain single quotes? If yes, give an example.

Answer: Yes. 

Example:

str1 = "Nitika's Fashions" 

print(str1)

Similarly, A single-quoted string can also contain double quotes:

Example:

str2 = '"Help!", he exclaimed.'

print(str2)

CBSE Class 11 - Informatics Practices - Python Literals - Question and Answers (#eduvictors)(#cbsecClass11Python)

Python Basics - Literals

CBSE Class 11 - Informatics Practices 

Questions and Answers

Question: What is a character set? What is Python Character Set?

Answer: A set of valid characters recognized by python constitutes character set.

Python (from version 3.x onwards) supports the Unicode text. It has the following character set:
Letters: A-Z,a-z
Digits:  0-9
Special symbols: Special symbol available over a keyboard
White spaces: blank space,tab, carriage return, newline, form feed
Other characters: Unicode


Question: Can I type in Hindi in Python 3?

Answer: Yes, Python supports Unicode text, hence one can use multiple languages including Hindi.


Question: What is a token?

Answer: Smallest individual unit in a program is known as a token. It can be:
1. Keywords
2. Identifiers
3. Literals
4. Operators
5. Punctuators

Class 11 Sample Question Papers (Mid-Term) 2019-20(#eduvictors)(#cbsepapers)

Class 11 Sample Question Papers (Mid-Term) 2019-20

CBSE Sample Papers for Class 11 are taken into consideration as the best option to understand the question paper pattern very well. It's crucial to be in touch with all basic principles and concepts a few days before the final examination, to reduce the examination stress and be prepared for it. 

Eduvictors provide collection of sample question papers prepared by various schools and institutes 

that help you to practice and get familiar with the question paper pattern. Solving an ample variety of sample papers, together with the last years' pattern papers, has been the recommendation to students.

Here are links of mid-term or SA1 SQPs:

CBSE Class 11 - Computer Science (C++) - User Defined Function - Q & A (#class11ComputerScience)(#cbsenotes)(#eduvictors)

Class 11 - Computer Science (C++)
User Defined Functions 

Q & A

SHORT ANSWER TYPE QUESTIONS

Q1(MCQ): A function’s single most important role is to
(a) give a name to a block of code
(b) reduce program size
(c) accept argument and provide a return value
(d) help organize a program well

Answer: (d) help organize a program well


Q2: Define a function. What is the name of one-statement description of a function?

Answer: A function is a subprogram that acts on data and often returns a value. The name of one-statement description of a function is procedure or prototype.

OR 

A function has a name that both identifies it and is used to call it for execution in a program


Q3: Function prototype is alternatively called. What is the statement specifically called that invokes a function?

Answer: A function prototype is alternatively called function declaration. The statement that invokes a function is specifically called function call.

CBSE Class 11 - Computer Science Annual Sample Question Paper (2018-19) (Set-1)(#cbsepapers)(#eduvictors)

CBSE Class 11 - Computer Science
 Annual Sample Question Paper (2018-19)
(Set-1)

Getting good marks is very important for students of class 11. For this one must practice and attempt sample question papers within time limits.

Here follows a sample question paper on Computer Science subject that will help you revise and practice.

Textbook on Class 11 Computer Science:

1. Class 11 Computer Science (C++) 

CBSE Class 11 - Computer Science (C++) - Sample Question Paper - (2018-19)(#eduvictors)(#cbsepapers)

CBSE Class 11 - Computer Science  (C++)
 - Sample Question Paper - (2018-19)

Be it Science or Engineering, medical world or launching Space Shuttles, Study of Universe or global communications, Research and Development or Edutainment – the core ingredient is computer. 

Here are the learning objectives of Computer Science subject, introduced in class 11: 

1. To understand the problem statement 

2. To develop logic for problem solving 

3. To understand the concept of Object Oriented Methodology 

4. To implement Object Oriented Programming using C++ 

5. To understand the concept of working with Relational Database 

6. To understand the basic concept of algebra of logic 7. To understand and explore the world of communication and network

Here follows the class 11 Half Year Computer Science sample question paper to assess your knowledge.

Class 9- 12/NTSE/CTET/Entrance Examination- Computer Awareness Quiz (#eduvictors)(#cbsenotes)

Computer Awareness Quiz

Here is a list of computer awareness based quizzes that help you prepare for various entrance examinations.

MCQs on Computer fundamentals and Computer awareness Quizzes links are provided here:

Computer Awareness Quiz

Computer Awareness Quiz Set-1

Computer Awareness Quiz Set-2

Computer Awareness Quiz Set-3

Computer Awareness Quiz Set-4

Windows Operating System Quiz

MS Office Quiz

Database Systems Quiz

Computer Fundamentals Quiz

Entrance Exam/BCA/BBA/Class 11/Class 12 - Computer Awareness Quizzes (#eduvictors)(#cbsenotes)(#bcaentrance)

Computer Awareness Quizzes

Computer Awareness MCQs are available at eduvictors.com that may help you prepare for BCA/BBA entrance tests and Computer Science related examinations.