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

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

2 / 53

Which is not an Importance & Benefits of a flowchart?

3 / 53

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

4 / 53

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

5 / 53

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

6 / 53

There can be _________ algorithm to solve a single problem.

7 / 53

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

8 / 53

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

9 / 53

Which is the disadvantage of algorithm?

10 / 53

Designer/ Programmer have option to take these steps____________

11 / 53

Trace Table is a technique used to test algorithm as ____________________

12 / 53

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

13 / 53

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

14 / 53

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

15 / 53

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

16 / 53

In Algorithm ___________ keywords are used for check the condition.

17 / 53

Which One is not used in flowchart?

18 / 53

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

19 / 53

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

20 / 53

Testing an algorithm using invalid data ensure that _______________

21 / 53

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

22 / 53

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

23 / 53

A clear understanding of a problem ____________

24 / 53

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

25 / 53

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

26 / 53

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

27 / 53

best statement for a problem: _______________

28 / 53

Which is not an advantage of flowchart?

29 / 53

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

30 / 53

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

31 / 53

In flowchart, taking data from users is called ______________

32 / 53

The Solution is verified means; it is _______________

33 / 53

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

34 / 53

A well-defined problem is one that _____________

35 / 53

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

36 / 53

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

37 / 53

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

38 / 53

Usually a computer programmer can use these steps _________

39 / 53

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

40 / 53

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

41 / 53

Efficiency of algorithm can be measured by _____________

42 / 53

Logical Error means the solution is ________________

43 / 53

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

44 / 53

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

45 / 53

“Planning a solution” includes following sub steps______________

46 / 53

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

47 / 53

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

48 / 53

Invalid test Data is type of test data that _____________

49 / 53

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

50 / 53

A set of Steps to Solve a problem is called____________

51 / 53

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

52 / 53

Trace table is in form of _________________

53 / 53

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

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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

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

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

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

4 / 56

Patent is a way to protect ____________

5 / 56

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

6 / 56

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

7 / 56

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

8 / 56

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

9 / 56

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

10 / 56

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

11 / 56

Which one is not a software piracy?

12 / 56

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

13 / 56

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

14 / 56

Phishing Emails are showing as __________________

15 / 56

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

16 / 56

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

17 / 56

Which would be an example of phishing Email by Hackers?

18 / 56

A computer virus is a computer program written _____________

19 / 56

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

20 / 56

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

21 / 56

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

22 / 56

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

23 / 56

The main purpose to convert plaintext to ciphertext is __________

24 / 56

Which of the following is not characteristics of phishing website?

25 / 56

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

26 / 56

___________ is the process of encoding data.

27 / 56

A crime in which __________________ are used is called cybercrime.

28 / 56

Which of the following in not a cybercrime?

29 / 56

This is the Importance of encrypting a data _________

30 / 56

Illegally accessing someone’s else computer is called _____________

31 / 56

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

32 / 56

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

33 / 56

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

34 / 56

Piracy means making _____________ of copywrite data.

35 / 56

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

36 / 56

Making illegal copies of software is called ____________

37 / 56

Which one is not a fraud & misuse of data?

38 / 56

Substitution cipher method are methods of encryption in which ______________

39 / 56

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

40 / 56

Protecting data from malicious users is called ________________

41 / 56

One of them is not a data security issue ___________

42 / 56

Using Cookies companies are able to gather ________________

43 / 56

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

44 / 56

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

45 / 56

Which of these is main aspect to secure our data?

46 / 56

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

47 / 56

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

48 / 56

A good password should be ____________

49 / 56

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

50 / 56

Integrity means that you want to keep your data ____________

51 / 56

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

52 / 56

Which is not a good characteristic of a good password?

53 / 56

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

54 / 56

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

55 / 56

Copywrite of software means that ______________

56 / 56

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

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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

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

2 / 67

__________is used to specify the URL if linked webpage.

3 / 67

___________ tag is used for inserting a line break.

4 / 67

HTML stand for ________________

5 / 67

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

6 / 67

In HTML, images are defined with the ____________ tag.

7 / 67

There are _____________ of headings in HTML documents

8 / 67

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

9 / 67

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

10 / 67

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

11 / 67

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

12 / 67

An individual list item can contain another entire list called____________

13 / 67

The head element is a container for ____________

14 / 67

________ Tag is used to create unordered list

15 / 67

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

16 / 67

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

17 / 67

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

18 / 67

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

19 / 67

HTML is not _______________ language

20 / 67

________ make a cell span more than one row.

21 / 67

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

22 / 67

Some tags have not startup and End Tags these are called__________

23 / 67

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

24 / 67

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

25 / 67

In ____________ the ordered of the list is not important.

26 / 67

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

27 / 67

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

28 / 67

HTML is a computer language which is used to create a____________

29 / 67

An HTML element usually consist of a __________ tag

30 / 67

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

31 / 67

In HTML, Table is defined by __________ Tag

32 / 67

____________Tag is used to create a hyperlink.

33 / 67

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

34 / 67

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

35 / 67

In a webpage images are added with the _________ Tag

36 / 67

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

37 / 67

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

38 / 67

Webpages can be created and modified by using ____________

39 / 67

__________ tag is used to display data in tabular form.

40 / 67

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

41 / 67

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

42 / 67

a hyperlink can be applied to _______________

43 / 67

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

44 / 67

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

45 / 67

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

46 / 67

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

47 / 67

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

48 / 67

Which are the types of List used in HTML.

49 / 67

There are ____________ of Tags used in HTML

50 / 67

In __________ keeps each list item with an ordered number.

51 / 67

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

52 / 67

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

53 / 67

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

54 / 67

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

55 / 67

An HTML documents primarily consist of Sections, which are__________

56 / 67

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

57 / 67

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

58 / 67

___________ tag makes the enclosed text bold.

59 / 67

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

60 / 67

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

61 / 67

____________ Tag is used to create ordered list.

62 / 67

The purpose of hyperlink is that by clicking on this _____________

63 / 67

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

64 / 67

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

65 / 67

A website consists of many _____________

66 / 67

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

67 / 67

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

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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

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

2 / 70

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

3 / 70

ASCII Codes are represented in Computer Memory after __________

4 / 70

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

5 / 70

_____________ may also be written as “P + Q”

6 / 70

External Devises are just plug and play, it means________

7 / 70

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

8 / 70

Temporary Memory is also called __________

9 / 70

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

10 / 70

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

11 / 70

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

12 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

13 / 70

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

14 / 70

______________help us to simplify complex Boolean Expression.

15 / 70

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

16 / 70

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

17 / 70

This is not a characteristic of Secondary storage devices_____________

18 / 70

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

19 / 70

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

20 / 70

The main types of Computer Memory is/ are ______________

21 / 70

Which is/ are the characteristic of volatile memory devices?

22 / 70

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

23 / 70

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

24 / 70

Hardware used for Storage devices may be _____________

25 / 70

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

26 / 70

All Digital devices / Computers store data in _____________

27 / 70

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

28 / 70

“236598” is an example of _____________

29 / 70

“1001001” is an example of _____________

30 / 70

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

31 / 70

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

32 / 70

Permanent memory is also called __________

33 / 70

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

34 / 70

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

35 / 70

ASCII stands for ________________

36 / 70

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

37 / 70

__________ may also be written as “P . Q”

38 / 70

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

39 / 70

Which Unit size of memory is biggest in computer memory?

40 / 70

A number system is the system of representation of ____________

41 / 70

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

42 / 70

Best example of _____________ is Random Access Memory (RAM)

43 / 70

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

44 / 70

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

45 / 70

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

46 / 70

“It is Cold outside” is a ____________

47 / 70

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

48 / 70

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

49 / 70

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

50 / 70

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

51 / 70

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

52 / 70

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

53 / 70

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

54 / 70

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

55 / 70

Which Unit size of memory is smallest in computer memory?

56 / 70

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

57 / 70

“BO93A5” is an example of ______________

58 / 70

Data to a processor is provided through______________

11 characters left

59 / 70

_____________ is any physical device which used for storing data.

60 / 70

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

61 / 70

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

62 / 70

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

63 / 70

___________ may also be written as  ﬧP

64 / 70

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

65 / 70

Compound proposition is true only if ________________

66 / 70

Hexadecimal system has total _____ numbers.

67 / 70

Which Unit size of memory is smallest in computer memory?

68 / 70

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

69 / 70

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

70 / 70

Commonly used number systems are ______________

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MCQs Chap # 02 – Computer Science 9th Class (Open/ Download)

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9th Class Computer Science Notes & MCQS:

We know, the importance of Computer science  study in every class is most important for students, including for students of 9th Class & 10th Class or other classes. If we talk Matric Classes Student of Science Classes or Arts classes, Computer Science is equally important for both Classes. Every Student of 9th & 10th Class is trying to search the topic like 9th Class Computer Notes pdf, 10th Class Computer Science Notes PDF, 9th Class Computer MCQs Chapter-02, 9th Class Computer Notes Chapter-02, Class 9 Computer MCQs Chapter-02, 9th class Computer Notes Chapter 02, adamjee notes class 9 Computer 2022, adamjee notes for class 9 Computer, adamjee notes for class 9, adamjee notes.

Class 9 Computer Science Chapter-Wise Notes