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

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

2 / 53

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

3 / 53

Testing an algorithm using invalid data ensure that _______________

4 / 53

Usually a computer programmer can use these steps _________

5 / 53

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

6 / 53

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

7 / 53

There can be _________ algorithm to solve a single problem.

8 / 53

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

9 / 53

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

10 / 53

In flowchart, taking data from users is called ______________

11 / 53

“Planning a solution” includes following sub steps______________

12 / 53

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

13 / 53

Invalid test Data is type of test data that _____________

14 / 53

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

15 / 53

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

16 / 53

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

17 / 53

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

18 / 53

A set of Steps to Solve a problem is called____________

19 / 53

Which is not an Importance & Benefits of a flowchart?

20 / 53

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

21 / 53

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

22 / 53

In Algorithm ___________ keywords are used for check the condition.

23 / 53

Which One is not used in flowchart?

24 / 53

Logical Error means the solution is ________________

25 / 53

Trace Table is a technique used to test algorithm as ____________________

26 / 53

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

27 / 53

Which is the disadvantage of algorithm?

28 / 53

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

29 / 53

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

30 / 53

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

31 / 53

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

32 / 53

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

33 / 53

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

34 / 53

A clear understanding of a problem ____________

35 / 53

The Solution is verified means; it is _______________

36 / 53

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

37 / 53

Efficiency of algorithm can be measured by _____________

38 / 53

Which is not an advantage of flowchart?

39 / 53

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

40 / 53

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

41 / 53

Trace table is in form of _________________

42 / 53

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

43 / 53

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

44 / 53

Designer/ Programmer have option to take these steps____________

45 / 53

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

46 / 53

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

47 / 53

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

48 / 53

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

49 / 53

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

50 / 53

best statement for a problem: _______________

51 / 53

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

52 / 53

A well-defined problem is one that _____________

53 / 53

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

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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

Which of the following is not characteristics of phishing website?

2 / 56

A computer virus is a computer program written _____________

3 / 56

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

4 / 56

A crime in which __________________ are used is called cybercrime.

5 / 56

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

6 / 56

Which one is not a fraud & misuse of data?

7 / 56

One of them is not a data security issue ___________

8 / 56

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

9 / 56

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

10 / 56

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

11 / 56

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

12 / 56

Which of these is main aspect to secure our data?

13 / 56

Using Cookies companies are able to gather ________________

14 / 56

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

15 / 56

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

16 / 56

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

17 / 56

Making illegal copies of software is called ____________

18 / 56

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

19 / 56

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

20 / 56

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

21 / 56

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

22 / 56

The main purpose to convert plaintext to ciphertext is __________

23 / 56

Integrity means that you want to keep your data ____________

24 / 56

Which is not a good characteristic of a good password?

25 / 56

This is the Importance of encrypting a data _________

26 / 56

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

27 / 56

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

28 / 56

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

29 / 56

Which would be an example of phishing Email by Hackers?

30 / 56

Phishing Emails are showing as __________________

31 / 56

___________ is the process of encoding data.

32 / 56

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

33 / 56

Piracy means making _____________ of copywrite data.

34 / 56

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

35 / 56

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

36 / 56

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

37 / 56

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

38 / 56

Patent is a way to protect ____________

39 / 56

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

40 / 56

A good password should be ____________

41 / 56

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

42 / 56

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

43 / 56

Protecting data from malicious users is called ________________

44 / 56

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

45 / 56

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

46 / 56

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

47 / 56

Illegally accessing someone’s else computer is called _____________

48 / 56

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

49 / 56

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

50 / 56

Copywrite of software means that ______________

51 / 56

Substitution cipher method are methods of encryption in which ______________

52 / 56

Which one is not a software piracy?

53 / 56

Which of the following in not a cybercrime?

54 / 56

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

55 / 56

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

56 / 56

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

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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

In HTML, images are defined with the ____________ tag.

2 / 67

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

3 / 67

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

4 / 67

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

5 / 67

An individual list item can contain another entire list called____________

6 / 67

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

7 / 67

There are ____________ of Tags used in HTML

8 / 67

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

9 / 67

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

10 / 67

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

11 / 67

The purpose of hyperlink is that by clicking on this _____________

12 / 67

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

13 / 67

a hyperlink can be applied to _______________

14 / 67

In HTML, Table is defined by __________ Tag

15 / 67

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

16 / 67

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

17 / 67

Some tags have not startup and End Tags these are called__________

18 / 67

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

19 / 67

There are _____________ of headings in HTML documents

20 / 67

Which are the types of List used in HTML.

21 / 67

___________ tag makes the enclosed text bold.

22 / 67

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

23 / 67

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

24 / 67

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

25 / 67

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

26 / 67

In a webpage images are added with the _________ Tag

27 / 67

__________ tag is used to display data in tabular form.

28 / 67

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

29 / 67

The head element is a container for ____________

30 / 67

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

31 / 67

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

32 / 67

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

33 / 67

HTML is a computer language which is used to create a____________

34 / 67

HTML is not _______________ language

35 / 67

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

36 / 67

____________Tag is used to create a hyperlink.

37 / 67

A website consists of many _____________

38 / 67

In ____________ the ordered of the list is not important.

39 / 67

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

40 / 67

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

41 / 67

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

42 / 67

An HTML documents primarily consist of Sections, which are__________

43 / 67

________ Tag is used to create unordered list

44 / 67

___________ tag is used for inserting a line break.

45 / 67

HTML stand for ________________

46 / 67

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

47 / 67

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

48 / 67

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

49 / 67

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

50 / 67

____________ Tag is used to create ordered list.

51 / 67

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

52 / 67

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

53 / 67

__________is used to specify the URL if linked webpage.

54 / 67

In __________ keeps each list item with an ordered number.

55 / 67

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

56 / 67

________ make a cell span more than one row.

57 / 67

Webpages can be created and modified by using ____________

58 / 67

An HTML element usually consist of a __________ tag

59 / 67

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

60 / 67

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

61 / 67

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

62 / 67

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

63 / 67

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

64 / 67

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

65 / 67

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

66 / 67

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

67 / 67

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

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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

1-Petabyte is equal to ______________

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

Select Correct Option

2 / 70

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

3 / 70

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

4 / 70

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

5 / 70

_____________ may also be written as “P + Q”

6 / 70

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

7 / 70

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

8 / 70

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

9 / 70

Hexadecimal system has total _____ numbers.

10 / 70

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

11 / 70

Permanent memory is also called __________

12 / 70

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

13 / 70

Which is/ are the characteristic of volatile memory devices?

14 / 70

ASCII Codes are represented in Computer Memory after __________

15 / 70

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

16 / 70

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

17 / 70

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

18 / 70

Which Unit size of memory is smallest in computer memory?

19 / 70

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

20 / 70

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

21 / 70

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

22 / 70

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

23 / 70

“It is Cold outside” is a ____________

24 / 70

Best example of _____________ is Random Access Memory (RAM)

25 / 70

Hardware used for Storage devices may be _____________

26 / 70

A number system is the system of representation of ____________

27 / 70

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

28 / 70

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

29 / 70

External Devises are just plug and play, it means________

30 / 70

Temporary Memory is also called __________

31 / 70

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

32 / 70

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

33 / 70

Which Unit size of memory is smallest in computer memory?

34 / 70

__________ may also be written as “P . Q”

35 / 70

ASCII stands for ________________

36 / 70

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

37 / 70

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

38 / 70

Which Unit size of memory is biggest in computer memory?

39 / 70

_____________ is any physical device which used for storing data.

40 / 70

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

41 / 70

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

42 / 70

This is not a characteristic of Secondary storage devices_____________

43 / 70

“1001001” is an example of _____________

44 / 70

______________help us to simplify complex Boolean Expression.

45 / 70

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

46 / 70

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

47 / 70

___________ may also be written as  ﬧP

48 / 70

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

49 / 70

Commonly used number systems are ______________

50 / 70

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

51 / 70

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

52 / 70

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

53 / 70

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

54 / 70

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

55 / 70

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

56 / 70

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

57 / 70

“236598” is an example of _____________

58 / 70

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

59 / 70

Compound proposition is true only if ________________

60 / 70

Data to a processor is provided through______________

11 characters left

61 / 70

The main types of Computer Memory is/ are ______________

62 / 70

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

63 / 70

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

64 / 70

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

65 / 70

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

66 / 70

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

67 / 70

“BO93A5” is an example of ______________

68 / 70

All Digital devices / Computers store data in _____________

69 / 70

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

70 / 70

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

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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