9th Class Computer Notes Chapter-01

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9th Class Computer Notes Chapter-01:

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Computer Ch#01, 09th Class

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1 / 53

It is important to _______________ before jumping into the solution of a problem.

2 / 53

best statement for a problem: _______________

3 / 53

In flowchart, ________ represent Operations to Process and change values.

4 / 53

There can be _________ algorithm to solve a single problem.

5 / 53

Testing an algorithm using invalid data ensure that _______________

6 / 53

If an algorithm is failed during verification, then it is important to ________________

7 / 53

In algorithm__________ notation is used to get input from the user.

8 / 53

______________ is essential to point out the defects and errors in solution of some problem.

9 / 53

In algorithm _________ Notation is used for starting point of an algorithm.

10 / 53

An algorithm is considered more efficient if it takes _____________ to reach the result

11 / 53

Efficiency of algorithm can be measured by _____________

12 / 53

__________________is one of the key activates to improve quality of a solution.

13 / 53

Graphical presentation of the steps to solve a problem is called ____________

14 / 53

________ keywords are used in algorithm, to transfer control to any other step in an algorithm.

15 / 53

The word algorithm comes from the name of Arabic researcher / writer ______________

16 / 53

__________ keyword is use in algorithm to show the termination point of the algorithm.

17 / 53

After solving a problem, we need ____________whether it is correct or not, we use Test data.

18 / 53

____________ means to test whether the solution is correct or not.

19 / 53

Which is not an advantage of flowchart?

20 / 53

In flowchart, ___________ indicate start and end of a flowchart.

21 / 53

Which is not an Importance & Benefits of a flowchart?

22 / 53

During draw a flowchart, _________ is used to display / print the result on some output device.

23 / 53

Trace table is in form of _________________

24 / 53

“Planning a solution” includes following sub steps______________

25 / 53

Designer/ Programmer have option to take these steps____________

26 / 53

In flowchart, taking data from users is called ______________

27 / 53

During solving a problem, if the problem is not well defined then we can use the strategy, ____________

28 / 53

In flowchart to determine whether a statement is true or false and taking a appropriate step, we use ___________

29 / 53

A clear understanding of a problem ____________

30 / 53

Which type of data can be used to test the problem?

31 / 53

Which is the disadvantage of algorithm?

32 / 53

Usually a computer programmer can use these steps _________

33 / 53

____________ is type of test data, which complies with the input requirement of the algorithm.

34 / 53

Logical Error means the solution is ________________

35 / 53

In flowchart, we use symbols which are connected with the help of “Arrows” to show ______________

36 / 53

Which One is not used in flowchart?

37 / 53

______________ is a graphical representation of the process but ____________ write these steps in human understandable language.

38 / 53

In flowchart, _______ keyword is used to keep counting the number of input given by user or processing.

39 / 53

In problem solving steps after analyzing a problem, which step we have to start?

40 / 53

The Solution is verified means; it is _______________

41 / 53

In flowchart, ___________ is used to connect parts of a flow chart on different pages.

42 / 53

A set of Steps to Solve a problem is called____________

43 / 53

In flowchart, ____________ used as conditional operation that determine which one of the two paths to take.

44 / 53

Trace Table is a technique used to test algorithm as ____________________

45 / 53

In Algorithm ___________ keywords are used for check the condition.

46 / 53

5-Ws (What, Who, When, Where & Why) are used to __________________

47 / 53

A well-defined problem is one that _____________

48 / 53

In flowchart, ____________ is used to display information which is exhibits the processed result.

49 / 53

If an algorithm is used less space than it may be _____________

50 / 53

Invalid test Data is type of test data that _____________

51 / 53

____________means to test if the solution, is actually solving the same problem for it was designed.

52 / 53

The ______________ step is used to performing calculation & storing the result of calculation.

53 / 53

_________ keyword /Notation is used in algorithm to display value.

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MCQS Chap # 01 – Computer Science 9th Class (Open/ Download)

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Short Questions Chap#01 – Computer Science 9th Class  (Open/ Download)

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Long Questions Chap #01 – Computer Science 9th Class (Open/ Download)

 

We know, the importance of Computer science  study in every class is most important for students, including for students of 9th Class & 10th Class or other classes. If we talk Matric Classes Student of Science Classes or Arts classes, Computer Science is equally important for both Classes. Every Student of 9th & 10th Class is trying to search the topic like “9th Class Computer Notes pdf”, 10th Class Computer Science Notes PDF”, 9th Class Computer MCQs Chapter-01, 9th Class Computer Notes Chapter-01 New Syllabus, Class 9 Computer MCQs Chapter-01 New Syllabus, 9th Class Computer MCQs Chapter-01, adamjee notes class 9 Computer 2022, adamjee notes for class 9 Computer, adamjee notes for class 9, adamjee notes.

Class 9 Computer Science Chapter-Wise Notes

 

 

9th Class Computer Notes Chapter-04

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DATA AND PRIVACY:

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9th Class Computer Notes Chapter-04:

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Computer Ch#04, 09th Class

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1 / 56

Piracy means making _____________ of copywrite data.

2 / 56

Availability of your data means that data will be available when ____________

3 / 56

Integrity means that you want to keep your data ____________

4 / 56

DoS attackers target the web servers of banking / trade organization to ____________

5 / 56

Which is not a good characteristic of a good password?

6 / 56

Which one is not a fraud & misuse of data?

7 / 56

If a company sells emails IDs and phone numbers to another company for marketing purpose, it is ______________

8 / 56

A computer expert who can steal data when it moves from one location to other is called _________

9 / 56

Secrete code is required to read / convert ciphertext to plain text is called_______

10 / 56

Which of the following is not a characteristic of good password?

11 / 56

______________ are ubiquitous and are widely used by people of almost all ages to store and share data.

12 / 56

A good password should be ____________

13 / 56

Making illegal copies of software is called ____________

14 / 56

Which of these is main aspect to secure our data?

15 / 56

A crime in which __________________ are used is called cybercrime.

16 / 56

________ was a roman politician and military general, who used the method of encryption for sending message to his solders.

17 / 56

__________ method is replacing alphabets in some fixed number of steps to the left /right of original alphabet in sequence of alphabet.

18 / 56

Which of the following in not a cybercrime?

19 / 56

Anyone, who doesn’t want to share his information with unintending person the main reason is __________

20 / 56

___________ is the process of encoding data.

21 / 56

_________________ says that idea or product of someone cannot be copied.

22 / 56

One of them is not a data security issue ___________

23 / 56

Which one is not a software piracy?

24 / 56

If we have data of others, it is our ethical responsibility to keep it ________________

25 / 56

This is the Importance of encrypting a data _________

26 / 56

Using Cookies companies are able to gather ________________

27 / 56

Which of the following doesn’t includes the types of software piracy?

28 / 56

Copywrite of software means that ______________

29 / 56

_______________ are secrets that are playing an important role for the success of a company.

30 / 56

Which of the following is not the characteristics of phishing emails?

31 / 56

The main purpose to convert plaintext to ciphertext is __________

32 / 56

Companies want to read minds of web surfers and some times they store some piece of information with web surfers PC, called___________

33 / 56

A computer virus is a computer program written _____________

34 / 56

Which of the following is not characteristics of phishing website?

35 / 56

Substitution cipher method are methods of encryption in which ______________

36 / 56

___________ is uses a Table for substituting the letters of plaintext.

37 / 56

When a key has less numbers of character then the text to encrypt, repeating letters of the key is called ___________

38 / 56

Patent is a way to protect ____________

39 / 56

Which would be an example of phishing Email by Hackers?

40 / 56

_________ is a cyber-attack to make machine or network resource unavailable for a user.

41 / 56

Phishing Emails are showing as __________________

42 / 56

Which of the following is the plan text of this Cipher Text “UFPNXYFS”

43 / 56

__________is the process of encoding data in such a way that only authorized person can read it.

44 / 56

If the key has less number of letters then, ________________ in Vigenere Cipher Method.

45 / 56

Passwords are used for authentication to enter a system, whereas ____________ are used to read an encrypted message.

46 / 56

Identify the wrong plaintext of encrypted text by Caesar Cipher Method Four Character substitution to the right.

47 / 56

_________ is a cyber-attack to make a machine/ Network resource unavailable by sending any requests in small amount of time

48 / 56

________ is a general term for any type of information processing that can be represented mathematically.

49 / 56

Encoding means conversion of the data to an unreadable format which is called _________

50 / 56

Keeping _________ of data has become difficult in this era of computer & internet.

51 / 56

_____________ is a general term for any type of information processing that can be represented mathematically.

52 / 56

Companies interested to collect information about his consumer to know about _________

53 / 56

Illegally accessing someone’s else computer is called _____________

54 / 56

The foundation of all ____________________ of data is formed on ethical principle.

55 / 56

Protecting data from malicious users is called ________________

56 / 56

_____________ is a program which can change / destroy an information or sabotage a precious data.

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MCQs Chap # 04 Computer Science 9th  (Open/ Download)

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Long Questions Chap # 04 Computer Science 9th  (Open/ Download)

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We know, the importance of Computer science  study in every class is most important for students, including for students of 9th Class & 10th Class or other classes. If we talk Matric Classes Student of Science Classes or Arts classes, Computer Science is equally important for both Classes. Every Student of 9th & 10th Class is trying to search the topic like “9th Class Computer Notes pdf”, 10th Class Computer Science Notes PDF”, 9th Class Computer MCQs Chapter-04, 9th Class Computer Notes Chapter-04 New Syllabus, Class 9 Computer MCQs Chapter-04 New Syllabus, 9th Class computer Short Questions Chapter 04, 9th Class Computer Long Questions Chapter 04, 9th Class Computer Conceptual Questions Chapter 04 .

Class 9 Computer Science Chapter-Wise MCQs

 

 

9th Class Computer Notes Chapter-05

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Designing Website:

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9th Class Computer Notes Chapter-05:

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Computer Ch#05, 09th Class

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1 / 67

__________is used to specify the URL if linked webpage.

2 / 67

__________ contains the actual content of a webpage that is visible inside a webpage.

3 / 67

In __________ keeps each list item with an ordered number.

4 / 67

The purpose of hyperlink is that by clicking on this _____________

5 / 67

The ____________ Tag marks starting of a paragraph and Closing of a paragraph.

6 / 67

In HTML, Table is defined by __________ Tag

7 / 67

A software which can understands the HTML and display the contents is called____________

8 / 67

To move from one part of the same page to the same page we use _____________

9 / 67

By clicking on special text called__________ which bring you to the next page.

10 / 67

The ________ attribute specifies the foreground text colour of the webpage.

11 / 67

In HTML, images are defined with the ____________ tag.

12 / 67

The __________ element is a container for metadata (data about data)

13 / 67

The _______Tag insert a line break without starting a new paragraph.

14 / 67

_________of <Body> Tag specifies the background image of a HTML documents.

15 / 67

________is such an icon, graphic or text that when clicked it takes you to some other webpage.

16 / 67

________ Tag is used to create unordered list

17 / 67

The term hypertext is used due to the special text in a webpage called________

18 / 67

In HTML Table, __________ is defined with the <td> tag.

19 / 67

An individual list item can contain another entire list called____________

20 / 67

There are _____________ of headings in HTML documents

21 / 67

In HTML Table, to make a cell span more than one column, __________attribute is used.

22 / 67

In HTML Table, ________is defined with <th> tag.

23 / 67

___________ tag makes the enclosed text bold.

24 / 67

In HTML, in a list, a list item can contain another list is called__________

25 / 67

___________typically defines the document title, style and other information about the whole HTML document

26 / 67

HTML is not _______________ language

27 / 67

____________ part of the HTML documents is between <body> & </body>

28 / 67

____________Tag is used to create a hyperlink.

29 / 67

The webpage elements are represented by tags due to marking of each element language is called ___________

30 / 67

____________ are the properties associated with Tags and provide information about Tag

31 / 67

_______tells the browser how the contents are structured inside a webpage.

32 / 67

__________of <Body> tag specifies the foreground text color of a HTML documents.

33 / 67

The head element is a container for ____________

34 / 67

________ Tag is used to create and define the description list.

35 / 67

___________ tag is used for inserting a line break.

36 / 67

In ____________ the ordered of the list is not important.

37 / 67

a hyperlink can be applied to _______________

38 / 67

In HTML Table, to make a cell span more than one Row, ___________ attribute is used.

39 / 67

__________ tag is used to display data in tabular form.

40 / 67

There are ____________ of Tags used in HTML

41 / 67

In order to insert extra space in HTML Text we have to use ____________

42 / 67

An HTML element usually consist of a __________ tag

43 / 67

To specify the title of the webpage we use <Title> </Title> tag inside ___________ tag.

44 / 67

Tag consist of Startup Tag, End Tag and contents between them is called_______

45 / 67

In “body” tag __________ is used to make a picture of a background image of a webpage?

46 / 67

To save the HTML page, you can use __________ as file extension.

47 / 67

__________ is used to define/ show some terms and their descriptions

48 / 67

The _________ Tag are used to start and end the Heading.

49 / 67

Which are the types of List used in HTML.

50 / 67

_________provides an alternate text for an image if the image is not displayed due to any reason.

51 / 67

HTML documents begin and end with ____________ Tag and also it is a top level that tag that contain whole contents of website

52 / 67

An HTML documents primarily consist of Sections, which are__________

53 / 67

____________ Tag is used to create ordered list.

54 / 67

HTML is a computer language which is used to create a____________

55 / 67

__________ refers to the way tags are used to define the page layout and elements within the page.

56 / 67

___________ attribute is used with “img” tag to display the text if image could not lead in browser.

57 / 67

A website consists of many _____________

58 / 67

Webpages can be created and modified by using ____________

59 / 67

__________links allow you to go from one part of the same page to another part.

60 / 67

In a webpage images are added with the _________ Tag

61 / 67

Some tags have not startup and End Tags these are called__________

62 / 67

________ make a cell span more than one row.

63 / 67

In HTML Table, ________is defined by <tr> tag.

64 / 67

HTML stand for ________________

65 / 67

The __________ tag used to specify the style, size and color of text.

66 / 67

Tags and text that are not directly displayed on the page are written in ___________ section.

67 / 67

____________of <Body> tag specifies the background color of a HTML documents.

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MCQs Chapter # 5 –  Computer Science 9th (Open/ Download)

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Short Questions Chapter # 5 –  Computer Science 9th (Open/ Download)

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Long Questions Chapter # 5 –  Computer Science 9th (Open/ Download)

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We know, the importance of Computer science  study in every class is most important for students, including for students of 9th Class & 10th Class or other classes. If we talk Matric Classes Student of Science Classes or Arts classes, Computer Science is equally important for both Classes. Every Student of 9th & 10th Class is trying to search the topic like “9th Class Computer Notes pdf”, 10th Class Computer Science Notes PDF”, 9th Class Computer MCQs Chapter-05, 9th Class Computer Notes Chapter-05 New Syllabus, Class 9 Computer MCQs Chapter-05 New Syllabus, 9th Class Computer MCQs Chapter 05, 9th Class Computer Short Questions Chapter 05, 9th Class Computer Long Questions Chapter 05, 9th Class Computer Conceptual Questions Chapter 05.

Class 9 Computer Science Chapter-Wise MCQs

 

 

9th Class Computer Notes Chapter-02

9th Class Computer MCQs Chapter-02
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Binary System:

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9th Class Computer Notes Chapter-02:

MCQs from Text Book Exercise and others included in this Practice panel. By practicing again and again, Student can get good practice on this topic “Binary System” i.e. 9th Class Computer Science MCQs Chapter-02. Best of Luck.

 

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Computer Ch#02, 09th Class

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1 / 70

In primary and secondary storages, data is stored in the form of _________

2 / 70

In computer memory, At least one piece of information take place _____________

3 / 70

Commonly used number systems are ______________

4 / 70

______________help us to simplify complex Boolean Expression.

5 / 70

Expression (A + B ) . (A+C) is equal to ____________

6 / 70

According to _________ law there is no change in result if priority of expressions is changed.

7 / 70

All Digital devices / Computers store data in _____________

8 / 70

“236598” is an example of _____________

9 / 70

In Boolean algebra, if we use OR Operator, the compound composition is true if ______________

10 / 70

  1. A Truth Table is used to check a proposition, weather it is _____________

11 / 70

1-Petabyte is equal to ______________

  • (1024)4 bytes
  • (1024)6 bytes
  • (1024)5 bytes
  • (1024)7 bytes

Select Correct Option

12 / 70

Best example of _____________ is Random Access Memory (RAM)

13 / 70

The order of application of two separate terms is not important in _____________

14 / 70

During conversion Binary to Hexadecimal, we make the group from ___________

15 / 70

_____________ is any physical device which used for storing data.

16 / 70

A Truth Table is used to check the truth value of a proposition when ___________ are used.

17 / 70

To Convert ______________________, divide the number by 16 and take Quotient and Remainder.

18 / 70

__________ may also be written as “P . Q”

19 / 70

Which Unit size of memory is smallest in computer memory?

20 / 70

The number system which has base 2 and it uses only 2-digits (0, 1) is called _______

21 / 70

Which Unit size of memory is smallest in computer memory?

22 / 70

Typical Example of _______________ is Hard drive, Memory Card, Flash Drive.

23 / 70

Hexadecimal system has total _____ numbers.

24 / 70

Every proposition takes one out of two values _________, which is called truth values

25 / 70

“BO93A5” is an example of ______________

26 / 70

All the characters on keyboard have an associated code which is called ___________

27 / 70

External Devises are just plug and play, it means________

28 / 70

At least _________ byte(s) is required to store any piece of information in a computer’s memory.

29 / 70

A device which can hold data even if it is not connected to any power source, is called __________

30 / 70

This Expression “A + B  =  B + A” is the example of __________

31 / 70

This Expression “( A + B ) + C = A  + ( B + C )” is the example of __________

32 / 70

Which Unit size of memory is biggest in computer memory?

33 / 70

A device which holds data as long as, it has power supply connected to it, is called _______

34 / 70

This Expression “A + ( B . C ) = ( A + B ) ( A + C )”  is the example of __________

35 / 70

The smallest unit of data, can hold only one value 0 or 1 called __________

36 / 70

Permanent memory is also called __________

37 / 70

“It is Cold outside” is a ____________

38 / 70

In Non-Volatile memory, if we turn of power, the data stored in devices __________

39 / 70

This Expression “A + 0 = A”  is the example of __________

40 / 70

This is not a characteristic of Secondary storage devices_____________

41 / 70

Number “17” is equal to ___________ in binary system.

42 / 70

Hardware used for Storage devices may be _____________

43 / 70

Data to a processor is provided through______________

11 characters left

44 / 70

Which is/ are the characteristic of volatile memory devices?

45 / 70

We get a _____________when some logical operator is applied to the Boolean proposition.

46 / 70

Any computer hardware that is used for storing, porting and extracting data is called __________

47 / 70

ASCII Codes are represented in Computer Memory after __________

48 / 70

A number system is the system of representation of ____________

49 / 70

“1001001” is an example of _____________

50 / 70

If “F” is in Hexadecimal, then its binary value is ____________

51 / 70

If “E” is in Hexadecimal, then its binary value is ____________

52 / 70

_____________ may also be written as “P + Q”

53 / 70

___________ are assigned on the bases of Truthfulness or falsity of a proposition.

54 / 70

If “9” is in Hexadecimal, then its binary value is ____________

55 / 70

The number system which has base 10, also it uses ten digits (0-9) is called________

56 / 70

If “C” is in Hexadecimal, then its binary value is ____________

57 / 70

The logical operator___________ is not a connector but it is used to negate a proposition.

58 / 70

According to Boolean algebra, ___________ is a sentence that can either be true or false.

59 / 70

The main types of Computer Memory is/ are ______________

60 / 70

Compound proposition is true only if ________________

61 / 70

The number system which has base 16 and it use 16-digits (0to 9, A, B, C, D, E, F) is called _______

62 / 70

Group of Eight bits is enough space to store single ASCII character, which is called _______

63 / 70

___________ may also be written as  ﬧP

64 / 70

To convert_____________, simply convert each hexadecimal digit to four binary values

65 / 70

ASCII stands for ________________

66 / 70

To Convert ________________________, we divide the number by 2 and take Quotient and Remainder.

67 / 70

Temporary Memory is also called __________

68 / 70

During conversion Binary to Hexadecimal, if the left group has been less then 4-digits then, we simply ______________

69 / 70

___________ is used to assemble more than one proposition into one proposition.

70 / 70

To assemble more than one operation and make a single proposition, we use _________

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MCQs Chap # 02 – Computer Science 9th Class (Open/ Download)

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9th Class Computer Science Notes & MCQS:

We know, the importance of Computer science  study in every class is most important for students, including for students of 9th Class & 10th Class or other classes. If we talk Matric Classes Student of Science Classes or Arts classes, Computer Science is equally important for both Classes. Every Student of 9th & 10th Class is trying to search the topic like 9th Class Computer Notes pdf, 10th Class Computer Science Notes PDF, 9th Class Computer MCQs Chapter-02, 9th Class Computer Notes Chapter-02, Class 9 Computer MCQs Chapter-02, 9th class Computer Notes Chapter 02, adamjee notes class 9 Computer 2022, adamjee notes for class 9 Computer, adamjee notes for class 9, adamjee notes.

Class 9 Computer Science Chapter-Wise Notes