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

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

2 / 53

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

3 / 53

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

4 / 53

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

5 / 53

Which is not an advantage of flowchart?

6 / 53

A set of Steps to Solve a problem is called____________

7 / 53

best statement for a problem: _______________

8 / 53

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

9 / 53

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

10 / 53

Designer/ Programmer have option to take these steps____________

11 / 53

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

12 / 53

A well-defined problem is one that _____________

13 / 53

In Algorithm ___________ keywords are used for check the condition.

14 / 53

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

15 / 53

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

16 / 53

In flowchart, taking data from users is called ______________

17 / 53

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

18 / 53

There can be _________ algorithm to solve a single problem.

19 / 53

Efficiency of algorithm can be measured by _____________

20 / 53

Which One is not used in flowchart?

21 / 53

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

22 / 53

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

23 / 53

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

24 / 53

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

25 / 53

The Solution is verified means; it is _______________

26 / 53

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

27 / 53

Which is not an Importance & Benefits of a flowchart?

28 / 53

Trace Table is a technique used to test algorithm as ____________________

29 / 53

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

30 / 53

Logical Error means the solution is ________________

31 / 53

A clear understanding of a problem ____________

32 / 53

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

33 / 53

Which is the disadvantage of algorithm?

34 / 53

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

35 / 53

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

36 / 53

Usually a computer programmer can use these steps _________

37 / 53

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

38 / 53

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

39 / 53

Testing an algorithm using invalid data ensure that _______________

40 / 53

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

41 / 53

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

42 / 53

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

43 / 53

Trace table is in form of _________________

44 / 53

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

45 / 53

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

46 / 53

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

47 / 53

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

48 / 53

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

49 / 53

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

50 / 53

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

51 / 53

“Planning a solution” includes following sub steps______________

52 / 53

Invalid test Data is type of test data that _____________

53 / 53

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

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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 these is main aspect to secure our data?

2 / 56

Which one is not a fraud & misuse of data?

3 / 56

Protecting data from malicious users is called ________________

4 / 56

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

5 / 56

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

6 / 56

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

7 / 56

The main purpose to convert plaintext to ciphertext is __________

8 / 56

Which of the following in not a cybercrime?

9 / 56

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

10 / 56

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

11 / 56

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

12 / 56

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

13 / 56

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

14 / 56

Phishing Emails are showing as __________________

15 / 56

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

16 / 56

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

17 / 56

A crime in which __________________ are used is called cybercrime.

18 / 56

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

19 / 56

Which one is not a software piracy?

20 / 56

One of them is not a data security issue ___________

21 / 56

Patent is a way to protect ____________

22 / 56

Making illegal copies of software is called ____________

23 / 56

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

24 / 56

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

25 / 56

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

26 / 56

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

27 / 56

This is the Importance of encrypting a data _________

28 / 56

Which of the following is not characteristics of phishing website?

29 / 56

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

30 / 56

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

31 / 56

A computer virus is a computer program written _____________

32 / 56

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

33 / 56

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

34 / 56

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

35 / 56

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

36 / 56

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

37 / 56

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

38 / 56

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

39 / 56

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

40 / 56

Copywrite of software means that ______________

41 / 56

A good password should be ____________

42 / 56

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

43 / 56

Which is not a good characteristic of a good password?

44 / 56

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

45 / 56

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

46 / 56

Illegally accessing someone’s else computer is called _____________

47 / 56

Which would be an example of phishing Email by Hackers?

48 / 56

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

49 / 56

Using Cookies companies are able to gather ________________

50 / 56

Substitution cipher method are methods of encryption in which ______________

51 / 56

___________ is the process of encoding data.

52 / 56

Integrity means that you want to keep your data ____________

53 / 56

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

54 / 56

Piracy means making _____________ of copywrite data.

55 / 56

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

56 / 56

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

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

2 / 67

Webpages can be created and modified by using ____________

3 / 67

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

4 / 67

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

5 / 67

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

6 / 67

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

7 / 67

__________ tag is used to display data in tabular form.

8 / 67

___________ tag is used for inserting a line break.

9 / 67

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

10 / 67

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

11 / 67

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

12 / 67

An HTML element usually consist of a __________ tag

13 / 67

Which are the types of List used in HTML.

14 / 67

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

15 / 67

There are _____________ of headings in HTML documents

16 / 67

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

17 / 67

A website consists of many _____________

18 / 67

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

19 / 67

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

20 / 67

In __________ keeps each list item with an ordered number.

21 / 67

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

22 / 67

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

23 / 67

In ____________ the ordered of the list is not important.

24 / 67

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

25 / 67

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

26 / 67

The purpose of hyperlink is that by clicking on this _____________

27 / 67

In HTML, images are defined with the ____________ tag.

28 / 67

There are ____________ of Tags used in HTML

29 / 67

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

30 / 67

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

31 / 67

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

32 / 67

HTML is not _______________ language

33 / 67

In HTML, Table is defined by __________ Tag

34 / 67

An HTML documents primarily consist of Sections, which are__________

35 / 67

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

36 / 67

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

37 / 67

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

38 / 67

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

39 / 67

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

40 / 67

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

41 / 67

________ Tag is used to create unordered list

42 / 67

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

43 / 67

____________Tag is used to create a hyperlink.

44 / 67

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

45 / 67

a hyperlink can be applied to _______________

46 / 67

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

47 / 67

___________ tag makes the enclosed text bold.

48 / 67

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

49 / 67

__________is used to specify the URL if linked webpage.

50 / 67

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

51 / 67

An individual list item can contain another entire list called____________

52 / 67

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

53 / 67

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

54 / 67

The head element is a container for ____________

55 / 67

Some tags have not startup and End Tags these are called__________

56 / 67

____________ Tag is used to create ordered list.

57 / 67

________ make a cell span more than one row.

58 / 67

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

59 / 67

HTML is a computer language which is used to create a____________

60 / 67

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

61 / 67

In a webpage images are added with the _________ Tag

62 / 67

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

63 / 67

HTML stand for ________________

64 / 67

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

65 / 67

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

66 / 67

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

67 / 67

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

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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

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

2 / 70

Which is/ are the characteristic of volatile memory devices?

3 / 70

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

4 / 70

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

5 / 70

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

6 / 70

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

7 / 70

External Devises are just plug and play, it means________

8 / 70

Which Unit size of memory is smallest in computer memory?

9 / 70

Best example of _____________ is Random Access Memory (RAM)

10 / 70

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

11 / 70

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

12 / 70

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

13 / 70

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

14 / 70

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

15 / 70

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

16 / 70

___________ may also be written as  ﬧP

17 / 70

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

18 / 70

“BO93A5” is an example of ______________

19 / 70

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

20 / 70

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

21 / 70

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

22 / 70

_____________ is any physical device which used for storing data.

23 / 70

Data to a processor is provided through______________

11 characters left

24 / 70

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

25 / 70

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

26 / 70

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

27 / 70

“It is Cold outside” is a ____________

28 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

29 / 70

Which Unit size of memory is smallest in computer memory?

30 / 70

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

31 / 70

Which Unit size of memory is biggest in computer memory?

32 / 70

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

33 / 70

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

34 / 70

This is not a characteristic of Secondary storage devices_____________

35 / 70

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

36 / 70

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

37 / 70

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

38 / 70

The main types of Computer Memory is/ are ______________

39 / 70

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

40 / 70

Compound proposition is true only if ________________

41 / 70

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

42 / 70

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

43 / 70

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

44 / 70

Temporary Memory is also called __________

45 / 70

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

46 / 70

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

47 / 70

Commonly used number systems are ______________

48 / 70

All Digital devices / Computers store data in _____________

49 / 70

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

50 / 70

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

51 / 70

Hexadecimal system has total _____ numbers.

52 / 70

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

53 / 70

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

54 / 70

A number system is the system of representation of ____________

55 / 70

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

56 / 70

_____________ may also be written as “P + Q”

57 / 70

______________help us to simplify complex Boolean Expression.

58 / 70

ASCII Codes are represented in Computer Memory after __________

59 / 70

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

60 / 70

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

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

Hardware used for Storage devices may be _____________

63 / 70

“236598” is an example of _____________

64 / 70

__________ may also be written as “P . Q”

65 / 70

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

66 / 70

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

67 / 70

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

68 / 70

“1001001” is an example of _____________

69 / 70

ASCII stands for ________________

70 / 70

Permanent memory is also 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