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

A set of Steps to Solve a problem is called____________

2 / 53

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

3 / 53

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

4 / 53

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

5 / 53

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

6 / 53

A clear understanding of a problem ____________

7 / 53

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

8 / 53

Efficiency of algorithm can be measured by _____________

9 / 53

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

10 / 53

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

11 / 53

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

12 / 53

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

13 / 53

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

14 / 53

The Solution is verified means; it is _______________

15 / 53

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

16 / 53

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

17 / 53

best statement for a problem: _______________

18 / 53

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

19 / 53

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

20 / 53

Trace table is in form of _________________

21 / 53

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

22 / 53

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

23 / 53

Trace Table is a technique used to test algorithm as ____________________

24 / 53

“Planning a solution” includes following sub steps______________

25 / 53

Which is not an Importance & Benefits of a flowchart?

26 / 53

In flowchart, taking data from users is called ______________

27 / 53

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

28 / 53

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

29 / 53

Designer/ Programmer have option to take these steps____________

30 / 53

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

31 / 53

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

32 / 53

A well-defined problem is one that _____________

33 / 53

Which One is not used in flowchart?

34 / 53

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

35 / 53

There can be _________ algorithm to solve a single problem.

36 / 53

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

37 / 53

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

38 / 53

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

39 / 53

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

40 / 53

Which is not an advantage of flowchart?

41 / 53

Usually a computer programmer can use these steps _________

42 / 53

Which is the disadvantage of algorithm?

43 / 53

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

44 / 53

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

45 / 53

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

46 / 53

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

47 / 53

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

48 / 53

In Algorithm ___________ keywords are used for check the condition.

49 / 53

Invalid test Data is type of test data that _____________

50 / 53

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

51 / 53

Testing an algorithm using invalid data ensure that _______________

52 / 53

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

53 / 53

Logical Error means the solution is ________________

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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

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

2 / 56

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

3 / 56

Which of the following is not characteristics of phishing website?

4 / 56

Which is not a good characteristic of a good password?

5 / 56

Making illegal copies of software is called ____________

6 / 56

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

7 / 56

Patent is a way to protect ____________

8 / 56

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

9 / 56

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

10 / 56

Which of these is main aspect to secure our data?

11 / 56

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

12 / 56

One of them is not a data security issue ___________

13 / 56

Which of the following in not a cybercrime?

14 / 56

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

15 / 56

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

16 / 56

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

17 / 56

A computer virus is a computer program written _____________

18 / 56

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

19 / 56

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

20 / 56

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

21 / 56

Using Cookies companies are able to gather ________________

22 / 56

Copywrite of software means that ______________

23 / 56

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

24 / 56

Integrity means that you want to keep your data ____________

25 / 56

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

26 / 56

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

27 / 56

A good password should be ____________

28 / 56

Which one is not a software piracy?

29 / 56

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

30 / 56

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

31 / 56

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

32 / 56

Piracy means making _____________ of copywrite data.

33 / 56

Phishing Emails are showing as __________________

34 / 56

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

35 / 56

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

36 / 56

Which one is not a fraud & misuse of data?

37 / 56

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

38 / 56

This is the Importance of encrypting a data _________

39 / 56

The main purpose to convert plaintext to ciphertext is __________

40 / 56

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

41 / 56

Protecting data from malicious users is called ________________

42 / 56

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

43 / 56

Which would be an example of phishing Email by Hackers?

44 / 56

Illegally accessing someone’s else computer is called _____________

45 / 56

___________ is the process of encoding data.

46 / 56

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

47 / 56

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

48 / 56

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

49 / 56

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

50 / 56

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

51 / 56

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

52 / 56

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

53 / 56

A crime in which __________________ are used is called cybercrime.

54 / 56

Substitution cipher method are methods of encryption in which ______________

55 / 56

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

56 / 56

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

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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 is a computer language which is used to create a____________

2 / 67

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

3 / 67

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

4 / 67

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

5 / 67

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

6 / 67

________ make a cell span more than one row.

7 / 67

In a webpage images are added with the _________ Tag

8 / 67

The purpose of hyperlink is that by clicking on this _____________

9 / 67

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

10 / 67

The head element is a container for ____________

11 / 67

a hyperlink can be applied to _______________

12 / 67

An HTML element usually consist of a __________ tag

13 / 67

HTML stand for ________________

14 / 67

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

15 / 67

___________ tag is used for inserting a line break.

16 / 67

An individual list item can contain another entire list called____________

17 / 67

____________ Tag is used to create ordered list.

18 / 67

__________is used to specify the URL if linked webpage.

19 / 67

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

20 / 67

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

21 / 67

Which are the types of List used in HTML.

22 / 67

Webpages can be created and modified by using ____________

23 / 67

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

24 / 67

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

25 / 67

________ Tag is used to create unordered list

26 / 67

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

27 / 67

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

28 / 67

____________Tag is used to create a hyperlink.

29 / 67

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

30 / 67

A website consists of many _____________

31 / 67

An HTML documents primarily consist of Sections, which are__________

32 / 67

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

33 / 67

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

34 / 67

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

35 / 67

___________ tag makes the enclosed text bold.

36 / 67

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

37 / 67

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

38 / 67

Some tags have not startup and End Tags these are called__________

39 / 67

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

40 / 67

In HTML, Table is defined by __________ Tag

41 / 67

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

42 / 67

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

43 / 67

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

44 / 67

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

45 / 67

There are ____________ of Tags used in HTML

46 / 67

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

47 / 67

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

48 / 67

In __________ keeps each list item with an ordered number.

49 / 67

In ____________ the ordered of the list is not important.

50 / 67

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

51 / 67

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

52 / 67

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

53 / 67

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

54 / 67

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

55 / 67

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

56 / 67

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

57 / 67

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

58 / 67

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

59 / 67

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

60 / 67

__________ tag is used to display data in tabular form.

61 / 67

In HTML, images are defined with the ____________ tag.

62 / 67

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

63 / 67

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

64 / 67

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

65 / 67

HTML is not _______________ language

66 / 67

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

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

Commonly used number systems are ______________

2 / 70

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

3 / 70

Compound proposition is true only if ________________

4 / 70

Hardware used for Storage devices may be _____________

5 / 70

Which Unit size of memory is smallest in computer memory?

6 / 70

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

7 / 70

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

8 / 70

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

9 / 70

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

10 / 70

___________ may also be written as  ﬧP

11 / 70

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

12 / 70

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

13 / 70

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

14 / 70

______________help us to simplify complex Boolean Expression.

15 / 70

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

16 / 70

Which Unit size of memory is smallest in computer memory?

17 / 70

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

18 / 70

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

19 / 70

_____________ may also be written as “P + Q”

20 / 70

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

21 / 70

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

22 / 70

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

23 / 70

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

24 / 70

A number system is the system of representation of ____________

25 / 70

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

26 / 70

“236598” is an example of _____________

27 / 70

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

28 / 70

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

29 / 70

Which Unit size of memory is biggest in computer memory?

30 / 70

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

31 / 70

Which is/ are the characteristic of volatile memory devices?

32 / 70

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

33 / 70

All Digital devices / Computers store data in _____________

34 / 70

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

35 / 70

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

36 / 70

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

37 / 70

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

38 / 70

Data to a processor is provided through______________

11 characters left

39 / 70

Temporary Memory is also called __________

40 / 70

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

41 / 70

External Devises are just plug and play, it means________

42 / 70

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

43 / 70

Best example of _____________ is Random Access Memory (RAM)

44 / 70

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

45 / 70

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

46 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

47 / 70

ASCII stands for ________________

48 / 70

Permanent memory is also called __________

49 / 70

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

50 / 70

“BO93A5” is an example of ______________

51 / 70

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

52 / 70

“It is Cold outside” is a ____________

53 / 70

__________ may also be written as “P . Q”

54 / 70

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

55 / 70

Hexadecimal system has total _____ numbers.

56 / 70

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

57 / 70

The main types of Computer Memory is/ are ______________

58 / 70

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

59 / 70

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

60 / 70

This is not a characteristic of Secondary storage devices_____________

61 / 70

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

62 / 70

“1001001” is an example of _____________

63 / 70

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

64 / 70

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

65 / 70

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

66 / 70

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

67 / 70

_____________ is any physical device which used for storing data.

68 / 70

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

69 / 70

ASCII Codes are represented in Computer Memory after __________

70 / 70

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

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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