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, ___________ indicate start and end of a flowchart.

2 / 53

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

3 / 53

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

4 / 53

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

5 / 53

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

6 / 53

Invalid test Data is type of test data that _____________

7 / 53

Which is not an Importance & Benefits of a flowchart?

8 / 53

Testing an algorithm using invalid data ensure that _______________

9 / 53

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

10 / 53

There can be _________ algorithm to solve a single problem.

11 / 53

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

12 / 53

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

13 / 53

Efficiency of algorithm can be measured by _____________

14 / 53

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

15 / 53

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

16 / 53

Logical Error means the solution is ________________

17 / 53

In flowchart, taking data from users is called ______________

18 / 53

“Planning a solution” includes following sub steps______________

19 / 53

Which is the disadvantage of algorithm?

20 / 53

Trace table is in form of _________________

21 / 53

Which One is not used in flowchart?

22 / 53

best statement for a problem: _______________

23 / 53

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

24 / 53

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

25 / 53

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

26 / 53

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

27 / 53

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

28 / 53

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

29 / 53

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

30 / 53

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

31 / 53

A clear understanding of a problem ____________

32 / 53

A well-defined problem is one that _____________

33 / 53

A set of Steps to Solve a problem is called____________

34 / 53

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

35 / 53

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

36 / 53

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

37 / 53

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

38 / 53

The Solution is verified means; it is _______________

39 / 53

Designer/ Programmer have option to take these steps____________

40 / 53

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

41 / 53

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

42 / 53

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

43 / 53

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

44 / 53

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

45 / 53

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

46 / 53

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

47 / 53

Which is not an advantage of flowchart?

48 / 53

Trace Table is a technique used to test algorithm as ____________________

49 / 53

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

50 / 53

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

51 / 53

Usually a computer programmer can use these steps _________

52 / 53

In Algorithm ___________ keywords are used for check the condition.

53 / 53

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

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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 is not a good characteristic of a good password?

2 / 56

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

3 / 56

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

4 / 56

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

5 / 56

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

6 / 56

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

7 / 56

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

8 / 56

Which of the following in not a cybercrime?

9 / 56

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

10 / 56

Making illegal copies of software is called ____________

11 / 56

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

12 / 56

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

13 / 56

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

14 / 56

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

15 / 56

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

16 / 56

One of them is not a data security issue ___________

17 / 56

Substitution cipher method are methods of encryption in which ______________

18 / 56

Protecting data from malicious users is called ________________

19 / 56

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

20 / 56

Patent is a way to protect ____________

21 / 56

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

22 / 56

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

23 / 56

A crime in which __________________ are used is called cybercrime.

24 / 56

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

25 / 56

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

26 / 56

Piracy means making _____________ of copywrite data.

27 / 56

This is the Importance of encrypting a data _________

28 / 56

Using Cookies companies are able to gather ________________

29 / 56

A computer virus is a computer program written _____________

30 / 56

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

31 / 56

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

32 / 56

Which of these is main aspect to secure our data?

33 / 56

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

34 / 56

The main purpose to convert plaintext to ciphertext is __________

35 / 56

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

36 / 56

Integrity means that you want to keep your data ____________

37 / 56

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

38 / 56

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

39 / 56

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

40 / 56

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

41 / 56

A good password should be ____________

42 / 56

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

43 / 56

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

44 / 56

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

45 / 56

Which one is not a software piracy?

46 / 56

Illegally accessing someone’s else computer is called _____________

47 / 56

Which one is not a fraud & misuse of data?

48 / 56

Copywrite of software means that ______________

49 / 56

Which of the following is not characteristics of phishing website?

50 / 56

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

51 / 56

___________ is the process of encoding data.

52 / 56

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

53 / 56

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

54 / 56

Which would be an example of phishing Email by Hackers?

55 / 56

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

56 / 56

Phishing Emails are showing as __________________

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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 not _______________ language

2 / 67

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

3 / 67

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

4 / 67

HTML stand for ________________

5 / 67

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

6 / 67

________ Tag is used to create unordered list

7 / 67

HTML is a computer language which is used to create a____________

8 / 67

In __________ keeps each list item with an ordered number.

9 / 67

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

10 / 67

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

11 / 67

In a webpage images are added with the _________ Tag

12 / 67

Which are the types of List used in HTML.

13 / 67

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

14 / 67

An individual list item can contain another entire list called____________

15 / 67

The purpose of hyperlink is that by clicking on this _____________

16 / 67

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

17 / 67

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

18 / 67

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

19 / 67

___________ tag is used for inserting a line break.

20 / 67

Some tags have not startup and End Tags these are called__________

21 / 67

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

22 / 67

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

23 / 67

A website consists of many _____________

24 / 67

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

25 / 67

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

26 / 67

The head element is a container for ____________

27 / 67

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

28 / 67

________ make a cell span more than one row.

29 / 67

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

30 / 67

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

31 / 67

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

32 / 67

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

33 / 67

Webpages can be created and modified by using ____________

34 / 67

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

35 / 67

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

36 / 67

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

37 / 67

__________is used to specify the URL if linked webpage.

38 / 67

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

39 / 67

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

40 / 67

__________ tag is used to display data in tabular form.

41 / 67

In ____________ the ordered of the list is not important.

42 / 67

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

43 / 67

___________ tag makes the enclosed text bold.

44 / 67

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

45 / 67

There are _____________ of headings in HTML documents

46 / 67

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

47 / 67

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

48 / 67

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

49 / 67

____________ Tag is used to create ordered list.

50 / 67

a hyperlink can be applied to _______________

51 / 67

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

52 / 67

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

53 / 67

In HTML, Table is defined by __________ Tag

54 / 67

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

55 / 67

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

56 / 67

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

57 / 67

____________Tag is used to create a hyperlink.

58 / 67

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

59 / 67

In HTML, images are defined with the ____________ tag.

60 / 67

An HTML documents primarily consist of Sections, which are__________

61 / 67

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

62 / 67

An HTML element usually consist of a __________ tag

63 / 67

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

64 / 67

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

65 / 67

There are ____________ of Tags used in HTML

66 / 67

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

67 / 67

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

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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

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

2 / 70

Which Unit size of memory is biggest in computer memory?

3 / 70

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

4 / 70

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

5 / 70

External Devises are just plug and play, it means________

6 / 70

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

7 / 70

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

8 / 70

___________ may also be written as  ﬧP

9 / 70

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

10 / 70

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

11 / 70

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

12 / 70

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

13 / 70

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

14 / 70

Permanent memory is also called __________

15 / 70

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

16 / 70

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

17 / 70

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

18 / 70

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

19 / 70

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

20 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

21 / 70

ASCII Codes are represented in Computer Memory after __________

22 / 70

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

23 / 70

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

24 / 70

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

25 / 70

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

26 / 70

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

27 / 70

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

28 / 70

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

29 / 70

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

30 / 70

Commonly used number systems are ______________

31 / 70

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

32 / 70

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

33 / 70

The main types of Computer Memory is/ are ______________

34 / 70

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

35 / 70

______________help us to simplify complex Boolean Expression.

36 / 70

“236598” is an example of _____________

37 / 70

“It is Cold outside” is a ____________

38 / 70

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

39 / 70

_____________ is any physical device which used for storing data.

40 / 70

Data to a processor is provided through______________

11 characters left

41 / 70

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

42 / 70

Hexadecimal system has total _____ numbers.

43 / 70

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

44 / 70

Which Unit size of memory is smallest in computer memory?

45 / 70

__________ may also be written as “P . Q”

46 / 70

All Digital devices / Computers store data in _____________

47 / 70

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

48 / 70

Hardware used for Storage devices may be _____________

49 / 70

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

50 / 70

ASCII stands for ________________

51 / 70

_____________ may also be written as “P + Q”

52 / 70

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

53 / 70

This is not a characteristic of Secondary storage devices_____________

54 / 70

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

55 / 70

Temporary Memory is also called __________

56 / 70

“BO93A5” is an example of ______________

57 / 70

Which Unit size of memory is smallest in computer memory?

58 / 70

A number system is the system of representation of ____________

59 / 70

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

60 / 70

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

61 / 70

Which is/ are the characteristic of volatile memory devices?

62 / 70

Compound proposition is true only if ________________

63 / 70

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

64 / 70

Best example of _____________ is Random Access Memory (RAM)

65 / 70

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

66 / 70

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

67 / 70

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

68 / 70

“1001001” is an example of _____________

69 / 70

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

70 / 70

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

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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