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 clear understanding of a problem ____________

2 / 53

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

3 / 53

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

4 / 53

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

5 / 53

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

6 / 53

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

7 / 53

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

8 / 53

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

9 / 53

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

10 / 53

Designer/ Programmer have option to take these steps____________

11 / 53

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

12 / 53

Trace Table is a technique used to test algorithm as ____________________

13 / 53

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

14 / 53

Testing an algorithm using invalid data ensure that _______________

15 / 53

Which One is not used in flowchart?

16 / 53

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

17 / 53

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

18 / 53

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

19 / 53

best statement for a problem: _______________

20 / 53

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

21 / 53

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

22 / 53

Which is not an advantage of flowchart?

23 / 53

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

24 / 53

Invalid test Data is type of test data that _____________

25 / 53

In flowchart, taking data from users is called ______________

26 / 53

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

27 / 53

A set of Steps to Solve a problem is called____________

28 / 53

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

29 / 53

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

30 / 53

There can be _________ algorithm to solve a single problem.

31 / 53

“Planning a solution” includes following sub steps______________

32 / 53

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

33 / 53

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

34 / 53

The Solution is verified means; it is _______________

35 / 53

Trace table is in form of _________________

36 / 53

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

37 / 53

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

38 / 53

Logical Error means the solution is ________________

39 / 53

Usually a computer programmer can use these steps _________

40 / 53

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

41 / 53

Which is not an Importance & Benefits of a flowchart?

42 / 53

Which is the disadvantage of algorithm?

43 / 53

A well-defined problem is one that _____________

44 / 53

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

45 / 53

Efficiency of algorithm can be measured by _____________

46 / 53

In Algorithm ___________ keywords are used for check the condition.

47 / 53

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

48 / 53

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

49 / 53

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

50 / 53

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

51 / 53

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

52 / 53

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

53 / 53

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

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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 uses a Table for substituting the letters of plaintext.

2 / 56

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

3 / 56

Phishing Emails are showing as __________________

4 / 56

Protecting data from malicious users is called ________________

5 / 56

The main purpose to convert plaintext to ciphertext is __________

6 / 56

Which one is not a fraud & misuse of data?

7 / 56

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

8 / 56

Patent is a way to protect ____________

9 / 56

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

10 / 56

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

11 / 56

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

12 / 56

Which of the following is not characteristics of phishing website?

13 / 56

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

14 / 56

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

15 / 56

Integrity means that you want to keep your data ____________

16 / 56

Which of these is main aspect to secure our data?

17 / 56

A computer virus is a computer program written _____________

18 / 56

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

19 / 56

A crime in which __________________ are used is called cybercrime.

20 / 56

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

21 / 56

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

22 / 56

One of them is not a data security issue ___________

23 / 56

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

24 / 56

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

25 / 56

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

26 / 56

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

27 / 56

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

28 / 56

Substitution cipher method are methods of encryption in which ______________

29 / 56

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

30 / 56

Which would be an example of phishing Email by Hackers?

31 / 56

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

32 / 56

Making illegal copies of software is called ____________

33 / 56

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

34 / 56

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

35 / 56

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

36 / 56

Copywrite of software means that ______________

37 / 56

Which is not a good characteristic of a good password?

38 / 56

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

39 / 56

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

40 / 56

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

41 / 56

Illegally accessing someone’s else computer is called _____________

42 / 56

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

43 / 56

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

44 / 56

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

45 / 56

Piracy means making _____________ of copywrite data.

46 / 56

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

47 / 56

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

48 / 56

Which one is not a software piracy?

49 / 56

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

50 / 56

This is the Importance of encrypting a data _________

51 / 56

Using Cookies companies are able to gather ________________

52 / 56

___________ is the process of encoding data.

53 / 56

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

54 / 56

A good password should be ____________

55 / 56

Which of the following in not a cybercrime?

56 / 56

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

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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

Some tags have not startup and End Tags these are called__________

2 / 67

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

3 / 67

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

4 / 67

In __________ keeps each list item with an ordered number.

5 / 67

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

6 / 67

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

7 / 67

________ make a cell span more than one row.

8 / 67

___________ tag makes the enclosed text bold.

9 / 67

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

10 / 67

The purpose of hyperlink is that by clicking on this _____________

11 / 67

There are _____________ of headings in HTML documents

12 / 67

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

13 / 67

Which are the types of List used in HTML.

14 / 67

Webpages can be created and modified by using ____________

15 / 67

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

16 / 67

A website consists of many _____________

17 / 67

An individual list item can contain another entire list called____________

18 / 67

In ____________ the ordered of the list is not important.

19 / 67

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

20 / 67

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

21 / 67

HTML is a computer language which is used to create a____________

22 / 67

An HTML documents primarily consist of Sections, which are__________

23 / 67

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

24 / 67

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

25 / 67

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

26 / 67

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

27 / 67

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

28 / 67

An HTML element usually consist of a __________ tag

29 / 67

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

30 / 67

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

31 / 67

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

32 / 67

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

33 / 67

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

34 / 67

HTML stand for ________________

35 / 67

a hyperlink can be applied to _______________

36 / 67

__________is used to specify the URL if linked webpage.

37 / 67

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

38 / 67

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

39 / 67

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

40 / 67

________ Tag is used to create unordered list

41 / 67

In HTML, Table is defined by __________ Tag

42 / 67

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

43 / 67

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

44 / 67

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

45 / 67

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

46 / 67

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

47 / 67

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

48 / 67

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

49 / 67

__________ tag is used to display data in tabular form.

50 / 67

___________ tag is used for inserting a line break.

51 / 67

____________ Tag is used to create ordered list.

52 / 67

The head element is a container for ____________

53 / 67

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

54 / 67

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

55 / 67

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

56 / 67

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

57 / 67

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

58 / 67

In HTML, images are defined with the ____________ tag.

59 / 67

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

60 / 67

There are ____________ of Tags used in HTML

61 / 67

In a webpage images are added with the _________ Tag

62 / 67

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

63 / 67

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

64 / 67

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

65 / 67

____________Tag is used to create a hyperlink.

66 / 67

HTML is not _______________ language

67 / 67

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

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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

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

2 / 70

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

3 / 70

“It is Cold outside” is a ____________

4 / 70

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

5 / 70

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

6 / 70

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

7 / 70

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

8 / 70

Hexadecimal system has total _____ numbers.

9 / 70

A number system is the system of representation of ____________

10 / 70

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

11 / 70

Commonly used number systems are ______________

12 / 70

ASCII stands for ________________

13 / 70

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

14 / 70

Compound proposition is true only if ________________

15 / 70

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

16 / 70

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

17 / 70

Which Unit size of memory is biggest in computer memory?

18 / 70

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

19 / 70

Temporary Memory is also called __________

20 / 70

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

21 / 70

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

22 / 70

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

23 / 70

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

24 / 70

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

25 / 70

Which Unit size of memory is smallest in computer memory?

26 / 70

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

27 / 70

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

28 / 70

Permanent memory is also called __________

29 / 70

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

30 / 70

All Digital devices / Computers store data in _____________

31 / 70

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

32 / 70

“236598” is an example of _____________

33 / 70

______________help us to simplify complex Boolean Expression.

34 / 70

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

35 / 70

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

36 / 70

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

37 / 70

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

38 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

39 / 70

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

40 / 70

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

41 / 70

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

42 / 70

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

43 / 70

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

44 / 70

Which is/ are the characteristic of volatile memory devices?

45 / 70

“1001001” is an example of _____________

46 / 70

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

47 / 70

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

48 / 70

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

49 / 70

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

50 / 70

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

51 / 70

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

52 / 70

__________ may also be written as “P . Q”

53 / 70

Data to a processor is provided through______________

11 characters left

54 / 70

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

55 / 70

ASCII Codes are represented in Computer Memory after __________

56 / 70

Which Unit size of memory is smallest in computer memory?

57 / 70

Best example of _____________ is Random Access Memory (RAM)

58 / 70

“BO93A5” is an example of ______________

59 / 70

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

60 / 70

_____________ is any physical device which used for storing data.

61 / 70

___________ may also be written as  ﬧP

62 / 70

_____________ may also be written as “P + Q”

63 / 70

Hardware used for Storage devices may be _____________

64 / 70

External Devises are just plug and play, it means________

65 / 70

The main types of Computer Memory is/ are ______________

66 / 70

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

67 / 70

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

68 / 70

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

69 / 70

This is not a characteristic of Secondary storage devices_____________

70 / 70

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

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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