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

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

2 / 53

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

3 / 53

Trace table is in form of _________________

4 / 53

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

5 / 53

There can be _________ algorithm to solve a single problem.

6 / 53

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

7 / 53

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

8 / 53

“Planning a solution” includes following sub steps______________

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

A clear understanding of a problem ____________

12 / 53

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

13 / 53

Which is not an Importance & Benefits of a flowchart?

14 / 53

Designer/ Programmer have option to take these steps____________

15 / 53

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

16 / 53

Which is not an advantage of flowchart?

17 / 53

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

18 / 53

A well-defined problem is one that _____________

19 / 53

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

20 / 53

Trace Table is a technique used to test algorithm as ____________________

21 / 53

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

22 / 53

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

23 / 53

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

24 / 53

Logical Error means the solution is ________________

25 / 53

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

26 / 53

best statement for a problem: _______________

27 / 53

Invalid test Data is type of test data that _____________

28 / 53

Which is the disadvantage of algorithm?

29 / 53

Testing an algorithm using invalid data ensure that _______________

30 / 53

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

31 / 53

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

32 / 53

In flowchart, taking data from users is called ______________

33 / 53

Which One is not used in flowchart?

34 / 53

Usually a computer programmer can use these steps _________

35 / 53

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

36 / 53

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

37 / 53

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

38 / 53

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

39 / 53

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

40 / 53

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

41 / 53

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

42 / 53

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

43 / 53

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

44 / 53

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

45 / 53

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

46 / 53

In Algorithm ___________ keywords are used for check the condition.

47 / 53

A set of Steps to Solve a problem is called____________

48 / 53

Efficiency of algorithm can be measured by _____________

49 / 53

The Solution is verified means; it is _______________

50 / 53

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

51 / 53

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

52 / 53

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

53 / 53

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

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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

Using Cookies companies are able to gather ________________

2 / 56

One of them is not a data security issue ___________

3 / 56

___________ is the process of encoding data.

4 / 56

Making illegal copies of software is called ____________

5 / 56

Which of the following is not characteristics of phishing website?

6 / 56

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

7 / 56

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

8 / 56

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

9 / 56

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

10 / 56

Substitution cipher method are methods of encryption in which ______________

11 / 56

Illegally accessing someone’s else computer is called _____________

12 / 56

Which of these is main aspect to secure our data?

13 / 56

Which one is not a software piracy?

14 / 56

Protecting data from malicious users is called ________________

15 / 56

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

16 / 56

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

17 / 56

Integrity means that you want to keep your data ____________

18 / 56

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

19 / 56

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

20 / 56

A crime in which __________________ are used is called cybercrime.

21 / 56

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

22 / 56

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

23 / 56

This is the Importance of encrypting a data _________

24 / 56

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

25 / 56

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

26 / 56

Phishing Emails are showing as __________________

27 / 56

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

28 / 56

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

29 / 56

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

30 / 56

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

31 / 56

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

32 / 56

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

33 / 56

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

34 / 56

Patent is a way to protect ____________

35 / 56

A computer virus is a computer program written _____________

36 / 56

Which one is not a fraud & misuse of data?

37 / 56

Copywrite of software means that ______________

38 / 56

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

39 / 56

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

40 / 56

Which of the following in not a cybercrime?

41 / 56

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

42 / 56

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

43 / 56

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

44 / 56

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

45 / 56

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

46 / 56

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

47 / 56

The main purpose to convert plaintext to ciphertext is __________

48 / 56

Which is not a good characteristic of a good password?

49 / 56

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

50 / 56

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

51 / 56

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

52 / 56

A good password should be ____________

53 / 56

Piracy means making _____________ of copywrite data.

54 / 56

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

55 / 56

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

56 / 56

Which would be an example of phishing Email by Hackers?

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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

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

2 / 67

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

3 / 67

HTML stand for ________________

4 / 67

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

5 / 67

____________Tag is used to create a hyperlink.

6 / 67

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

7 / 67

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

8 / 67

___________ tag makes the enclosed text bold.

9 / 67

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

10 / 67

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

11 / 67

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

12 / 67

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

13 / 67

__________is used to specify the URL if linked webpage.

14 / 67

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

15 / 67

An individual list item can contain another entire list called____________

16 / 67

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

17 / 67

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

18 / 67

An HTML documents primarily consist of Sections, which are__________

19 / 67

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

20 / 67

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

21 / 67

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

22 / 67

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

23 / 67

There are ____________ of Tags used in HTML

24 / 67

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

25 / 67

HTML is a computer language which is used to create a____________

26 / 67

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

27 / 67

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

28 / 67

The head element is a container for ____________

29 / 67

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

30 / 67

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

31 / 67

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

32 / 67

Which are the types of List used in HTML.

33 / 67

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

34 / 67

In HTML, Table is defined by __________ Tag

35 / 67

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

36 / 67

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

37 / 67

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

38 / 67

In HTML, images are defined with the ____________ tag.

39 / 67

________ make a cell span more than one row.

40 / 67

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

41 / 67

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

42 / 67

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

43 / 67

In ____________ the ordered of the list is not important.

44 / 67

Some tags have not startup and End Tags these are called__________

45 / 67

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

46 / 67

________ Tag is used to create unordered list

47 / 67

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

48 / 67

Webpages can be created and modified by using ____________

49 / 67

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

50 / 67

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

51 / 67

a hyperlink can be applied to _______________

52 / 67

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

53 / 67

A website consists of many _____________

54 / 67

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

55 / 67

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

56 / 67

__________ tag is used to display data in tabular form.

57 / 67

The purpose of hyperlink is that by clicking on this _____________

58 / 67

In __________ keeps each list item with an ordered number.

59 / 67

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

60 / 67

HTML is not _______________ language

61 / 67

An HTML element usually consist of a __________ tag

62 / 67

____________ Tag is used to create ordered list.

63 / 67

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

64 / 67

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

65 / 67

___________ tag is used for inserting a line break.

66 / 67

In a webpage images are added with the _________ Tag

67 / 67

There are _____________ of headings in 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

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

2 / 70

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

3 / 70

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

4 / 70

Hardware used for Storage devices may be _____________

5 / 70

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

6 / 70

______________help us to simplify complex Boolean Expression.

7 / 70

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

8 / 70

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

9 / 70

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

10 / 70

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

11 / 70

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

12 / 70

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

13 / 70

Data to a processor is provided through______________

11 characters left

14 / 70

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

15 / 70

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

16 / 70

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

17 / 70

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

18 / 70

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

19 / 70

External Devises are just plug and play, it means________

20 / 70

“It is Cold outside” is a ____________

21 / 70

A number system is the system of representation of ____________

22 / 70

__________ may also be written as “P . Q”

23 / 70

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

24 / 70

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

25 / 70

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

26 / 70

Which is/ are the characteristic of volatile memory devices?

27 / 70

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

28 / 70

Temporary Memory is also called __________

29 / 70

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

30 / 70

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

31 / 70

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

32 / 70

ASCII Codes are represented in Computer Memory after __________

33 / 70

This is not a characteristic of Secondary storage devices_____________

34 / 70

Best example of _____________ is Random Access Memory (RAM)

35 / 70

_____________ is any physical device which used for storing data.

36 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

37 / 70

___________ may also be written as  ﬧP

38 / 70

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

39 / 70

Hexadecimal system has total _____ numbers.

40 / 70

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

41 / 70

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

42 / 70

Compound proposition is true only if ________________

43 / 70

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

44 / 70

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

45 / 70

_____________ may also be written as “P + Q”

46 / 70

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

47 / 70

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

48 / 70

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

49 / 70

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

50 / 70

“236598” is an example of _____________

51 / 70

ASCII stands for ________________

52 / 70

All Digital devices / Computers store data in _____________

53 / 70

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

54 / 70

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

55 / 70

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

56 / 70

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

57 / 70

“BO93A5” is an example of ______________

58 / 70

Which Unit size of memory is smallest in computer memory?

59 / 70

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

60 / 70

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

61 / 70

Which Unit size of memory is biggest in computer memory?

62 / 70

Which Unit size of memory is smallest in computer memory?

63 / 70

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

64 / 70

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

65 / 70

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

66 / 70

Permanent memory is also called __________

67 / 70

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

68 / 70

“1001001” is an example of _____________

69 / 70

The main types of Computer Memory is/ are ______________

70 / 70

Commonly used number systems are ______________

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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