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

2 / 53

Logical Error means the solution is ________________

3 / 53

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

4 / 53

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

5 / 53

Which is not an Importance & Benefits of a flowchart?

6 / 53

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

7 / 53

There can be _________ algorithm to solve a single problem.

8 / 53

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

9 / 53

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

10 / 53

best statement for a problem: _______________

11 / 53

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

12 / 53

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

13 / 53

Which One is not used in flowchart?

14 / 53

Trace Table is a technique used to test algorithm as ____________________

15 / 53

Trace table is in form of _________________

16 / 53

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

17 / 53

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

18 / 53

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

19 / 53

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

20 / 53

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

21 / 53

A clear understanding of a problem ____________

22 / 53

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

23 / 53

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

24 / 53

The Solution is verified means; it is _______________

25 / 53

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

26 / 53

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

27 / 53

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

28 / 53

Designer/ Programmer have option to take these steps____________

29 / 53

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

30 / 53

A well-defined problem is one that _____________

31 / 53

Which is not an advantage of flowchart?

32 / 53

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

33 / 53

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

34 / 53

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

35 / 53

In Algorithm ___________ keywords are used for check the condition.

36 / 53

Usually a computer programmer can use these steps _________

37 / 53

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

38 / 53

Testing an algorithm using invalid data ensure that _______________

39 / 53

“Planning a solution” includes following sub steps______________

40 / 53

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

41 / 53

A set of Steps to Solve a problem is called____________

42 / 53

Efficiency of algorithm can be measured by _____________

43 / 53

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

44 / 53

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

45 / 53

In flowchart, taking data from users is called ______________

46 / 53

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

47 / 53

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

48 / 53

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

49 / 53

Invalid test Data is type of test data that _____________

50 / 53

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

51 / 53

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

52 / 53

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

53 / 53

Which is the disadvantage of algorithm?

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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

The main purpose to convert plaintext to ciphertext is __________

2 / 56

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

3 / 56

Which would be an example of phishing Email by Hackers?

4 / 56

___________ is the process of encoding data.

5 / 56

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

6 / 56

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

7 / 56

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

8 / 56

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

9 / 56

Integrity means that you want to keep your data ____________

10 / 56

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

11 / 56

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

12 / 56

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

13 / 56

Which of the following in not a cybercrime?

14 / 56

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

15 / 56

Using Cookies companies are able to gather ________________

16 / 56

A computer virus is a computer program written _____________

17 / 56

Piracy means making _____________ of copywrite data.

18 / 56

Which one is not a fraud & misuse of data?

19 / 56

A crime in which __________________ are used is called cybercrime.

20 / 56

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

21 / 56

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

22 / 56

Which of the following is not characteristics of phishing website?

23 / 56

Which one is not a software piracy?

24 / 56

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

25 / 56

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

26 / 56

Protecting data from malicious users is called ________________

27 / 56

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

28 / 56

Illegally accessing someone’s else computer is called _____________

29 / 56

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

30 / 56

A good password should be ____________

31 / 56

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

32 / 56

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

33 / 56

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

34 / 56

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

35 / 56

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

36 / 56

This is the Importance of encrypting a data _________

37 / 56

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

38 / 56

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

39 / 56

One of them is not a data security issue ___________

40 / 56

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

41 / 56

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

42 / 56

Which of these is main aspect to secure our data?

43 / 56

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

44 / 56

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

45 / 56

Making illegal copies of software is called ____________

46 / 56

Phishing Emails are showing as __________________

47 / 56

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

48 / 56

Copywrite of software means that ______________

49 / 56

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

50 / 56

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

51 / 56

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

52 / 56

Patent is a way to protect ____________

53 / 56

Which is not a good characteristic of a good password?

54 / 56

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

55 / 56

Substitution cipher method are methods of encryption in which ______________

56 / 56

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

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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

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

2 / 67

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

3 / 67

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

4 / 67

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

5 / 67

In HTML, images are defined with the ____________ tag.

6 / 67

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

7 / 67

__________is used to specify the URL if linked webpage.

8 / 67

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

9 / 67

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

10 / 67

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

11 / 67

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

12 / 67

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

13 / 67

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

14 / 67

In a webpage images are added with the _________ Tag

15 / 67

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

16 / 67

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

17 / 67

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

18 / 67

There are _____________ of headings in HTML documents

19 / 67

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

20 / 67

The head element is a container for ____________

21 / 67

Some tags have not startup and End Tags these are called__________

22 / 67

HTML is a computer language which is used to create a____________

23 / 67

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

24 / 67

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

25 / 67

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

26 / 67

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

27 / 67

In __________ keeps each list item with an ordered number.

28 / 67

___________ tag makes the enclosed text bold.

29 / 67

a hyperlink can be applied to _______________

30 / 67

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

31 / 67

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

32 / 67

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

33 / 67

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

34 / 67

HTML is not _______________ language

35 / 67

In HTML, Table is defined by __________ Tag

36 / 67

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

37 / 67

________ make a cell span more than one row.

38 / 67

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

39 / 67

A website consists of many _____________

40 / 67

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

41 / 67

________ Tag is used to create unordered list

42 / 67

____________Tag is used to create a hyperlink.

43 / 67

An individual list item can contain another entire list called____________

44 / 67

___________ tag is used for inserting a line break.

45 / 67

An HTML documents primarily consist of Sections, which are__________

46 / 67

HTML stand for ________________

47 / 67

Which are the types of List used in HTML.

48 / 67

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

49 / 67

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

50 / 67

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

51 / 67

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

52 / 67

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

53 / 67

In ____________ the ordered of the list is not important.

54 / 67

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

55 / 67

An HTML element usually consist of a __________ tag

56 / 67

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

57 / 67

____________ Tag is used to create ordered list.

58 / 67

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

59 / 67

The purpose of hyperlink is that by clicking on this _____________

60 / 67

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

61 / 67

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

62 / 67

Webpages can be created and modified by using ____________

63 / 67

__________ tag is used to display data in tabular form.

64 / 67

There are ____________ of Tags used in HTML

65 / 67

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

66 / 67

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

67 / 67

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

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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

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

3 / 70

Hardware used for Storage devices may be _____________

4 / 70

“236598” is an example of _____________

5 / 70

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

6 / 70

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

7 / 70

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

8 / 70

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

9 / 70

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

10 / 70

Permanent memory is also called __________

11 / 70

______________help us to simplify complex Boolean Expression.

12 / 70

“BO93A5” is an example of ______________

13 / 70

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

14 / 70

__________ may also be written as “P . Q”

15 / 70

Which Unit size of memory is smallest in computer memory?

16 / 70

External Devises are just plug and play, it means________

17 / 70

Compound proposition is true only if ________________

18 / 70

A number system is the system of representation of ____________

19 / 70

ASCII Codes are represented in Computer Memory after __________

20 / 70

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

21 / 70

“It is Cold outside” is a ____________

22 / 70

_____________ is any physical device which used for storing data.

23 / 70

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

24 / 70

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

25 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

26 / 70

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

27 / 70

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

28 / 70

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

29 / 70

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

30 / 70

Best example of _____________ is Random Access Memory (RAM)

31 / 70

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

32 / 70

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

33 / 70

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

34 / 70

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

35 / 70

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

36 / 70

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

37 / 70

ASCII stands for ________________

38 / 70

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

39 / 70

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

40 / 70

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

41 / 70

The main types of Computer Memory is/ are ______________

42 / 70

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

43 / 70

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

44 / 70

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

45 / 70

Which is/ are the characteristic of volatile memory devices?

46 / 70

This is not a characteristic of Secondary storage devices_____________

47 / 70

Temporary Memory is also called __________

48 / 70

Which Unit size of memory is smallest in computer memory?

49 / 70

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

50 / 70

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

51 / 70

___________ may also be written as  ﬧP

52 / 70

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

53 / 70

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

54 / 70

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

55 / 70

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

56 / 70

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

57 / 70

Which Unit size of memory is biggest in computer memory?

58 / 70

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

59 / 70

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

60 / 70

All Digital devices / Computers store data in _____________

61 / 70

“1001001” is an example of _____________

62 / 70

Data to a processor is provided through______________

11 characters left

63 / 70

_____________ may also be written as “P + Q”

64 / 70

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

65 / 70

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

66 / 70

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

67 / 70

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

68 / 70

Commonly used number systems are ______________

69 / 70

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

70 / 70

Hexadecimal system has total _____ numbers.

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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