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

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

2 / 53

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

3 / 53

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

4 / 53

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

5 / 53

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

6 / 53

Invalid test Data is type of test data that _____________

7 / 53

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

8 / 53

A well-defined problem is one that _____________

9 / 53

best statement for a problem: _______________

10 / 53

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

11 / 53

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

12 / 53

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

13 / 53

The Solution is verified means; it is _______________

14 / 53

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

15 / 53

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

16 / 53

Which One is not used in flowchart?

17 / 53

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

18 / 53

Testing an algorithm using invalid data ensure that _______________

19 / 53

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

20 / 53

In Algorithm ___________ keywords are used for check the condition.

21 / 53

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

22 / 53

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

23 / 53

Trace Table is a technique used to test algorithm as ____________________

24 / 53

There can be _________ algorithm to solve a single problem.

25 / 53

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

26 / 53

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

27 / 53

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

28 / 53

Which is not an Importance & Benefits of a flowchart?

29 / 53

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

30 / 53

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

31 / 53

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

32 / 53

In flowchart, taking data from users is called ______________

33 / 53

Which is the disadvantage of algorithm?

34 / 53

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

35 / 53

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

36 / 53

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

37 / 53

Which is not an advantage of flowchart?

38 / 53

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

39 / 53

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

40 / 53

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

41 / 53

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

42 / 53

Trace table is in form of _________________

43 / 53

A set of Steps to Solve a problem is called____________

44 / 53

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

45 / 53

A clear understanding of a problem ____________

46 / 53

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

47 / 53

“Planning a solution” includes following sub steps______________

48 / 53

Logical Error means the solution is ________________

49 / 53

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

50 / 53

Efficiency of algorithm can be measured by _____________

51 / 53

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

52 / 53

Usually a computer programmer can use these steps _________

53 / 53

Designer/ Programmer have option to take these steps____________

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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

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

2 / 56

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

3 / 56

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

4 / 56

Using Cookies companies are able to gather ________________

5 / 56

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

6 / 56

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

7 / 56

This is the Importance of encrypting a data _________

8 / 56

Which of the following in not a cybercrime?

9 / 56

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

10 / 56

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

11 / 56

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

12 / 56

A good password should be ____________

13 / 56

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

14 / 56

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

15 / 56

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

16 / 56

Illegally accessing someone’s else computer is called _____________

17 / 56

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

18 / 56

A crime in which __________________ are used is called cybercrime.

19 / 56

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

20 / 56

One of them is not a data security issue ___________

21 / 56

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

22 / 56

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

23 / 56

Phishing Emails are showing as __________________

24 / 56

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

25 / 56

Which would be an example of phishing Email by Hackers?

26 / 56

The main purpose to convert plaintext to ciphertext is __________

27 / 56

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

28 / 56

Which of these is main aspect to secure our data?

29 / 56

Protecting data from malicious users is called ________________

30 / 56

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

31 / 56

Which one is not a fraud & misuse of data?

32 / 56

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

33 / 56

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

34 / 56

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

35 / 56

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

36 / 56

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

37 / 56

Piracy means making _____________ of copywrite data.

38 / 56

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

39 / 56

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

40 / 56

Integrity means that you want to keep your data ____________

41 / 56

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

42 / 56

Which is not a good characteristic of a good password?

43 / 56

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

44 / 56

Making illegal copies of software is called ____________

45 / 56

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

46 / 56

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

47 / 56

___________ is the process of encoding data.

48 / 56

Which one is not a software piracy?

49 / 56

Patent is a way to protect ____________

50 / 56

A computer virus is a computer program written _____________

51 / 56

Which of the following is not characteristics of phishing website?

52 / 56

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

53 / 56

Copywrite of software means that ______________

54 / 56

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

55 / 56

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

56 / 56

Substitution cipher method are methods of encryption in which ______________

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

2 / 67

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

3 / 67

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

4 / 67

________ make a cell span more than one row.

5 / 67

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

6 / 67

__________is used to specify the URL if linked webpage.

7 / 67

a hyperlink can be applied to _______________

8 / 67

___________ tag is used for inserting a line break.

9 / 67

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

10 / 67

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

11 / 67

In ____________ the ordered of the list is not important.

12 / 67

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

13 / 67

A website consists of many _____________

14 / 67

Some tags have not startup and End Tags these are called__________

15 / 67

Which are the types of List used in HTML.

16 / 67

There are ____________ of Tags used in HTML

17 / 67

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

18 / 67

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

19 / 67

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

20 / 67

____________Tag is used to create a hyperlink.

21 / 67

HTML is a computer language which is used to create a____________

22 / 67

Webpages can be created and modified by using ____________

23 / 67

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

24 / 67

In __________ keeps each list item with an ordered number.

25 / 67

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

26 / 67

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

27 / 67

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

28 / 67

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

29 / 67

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

30 / 67

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

31 / 67

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

32 / 67

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

33 / 67

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

34 / 67

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

35 / 67

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

36 / 67

An HTML element usually consist of a __________ tag

37 / 67

__________ tag is used to display data in tabular form.

38 / 67

In a webpage images are added with the _________ Tag

39 / 67

___________ tag makes the enclosed text bold.

40 / 67

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

41 / 67

The head element is a container for ____________

42 / 67

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

43 / 67

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

44 / 67

In HTML, images are defined with the ____________ tag.

45 / 67

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

46 / 67

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

47 / 67

HTML stand for ________________

48 / 67

An HTML documents primarily consist of Sections, which are__________

49 / 67

____________ Tag is used to create ordered list.

50 / 67

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

51 / 67

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

52 / 67

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

53 / 67

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

54 / 67

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

55 / 67

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

56 / 67

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

57 / 67

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

58 / 67

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

59 / 67

In HTML, Table is defined by __________ Tag

60 / 67

An individual list item can contain another entire list called____________

61 / 67

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

62 / 67

The purpose of hyperlink is that by clicking on this _____________

63 / 67

________ Tag is used to create unordered list

64 / 67

There are _____________ of headings in HTML documents

65 / 67

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

66 / 67

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

67 / 67

HTML is not _______________ language

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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

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

2 / 70

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

3 / 70

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

4 / 70

Commonly used number systems are ______________

5 / 70

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

6 / 70

_____________ may also be written as “P + Q”

7 / 70

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

8 / 70

Hardware used for Storage devices may be _____________

9 / 70

___________ may also be written as  ﬧP

10 / 70

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

11 / 70

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

12 / 70

“236598” is an example of _____________

13 / 70

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

14 / 70

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

15 / 70

_____________ is any physical device which used for storing data.

16 / 70

“BO93A5” is an example of ______________

17 / 70

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

18 / 70

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

19 / 70

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

20 / 70

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

21 / 70

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

22 / 70

ASCII stands for ________________

23 / 70

Compound proposition is true only if ________________

24 / 70

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

25 / 70

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

26 / 70

The main types of Computer Memory is/ are ______________

27 / 70

__________ may also be written as “P . Q”

28 / 70

Which Unit size of memory is smallest in computer memory?

29 / 70

“1001001” is an example of _____________

30 / 70

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

31 / 70

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

32 / 70

Best example of _____________ is Random Access Memory (RAM)

33 / 70

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

34 / 70

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

35 / 70

A number system is the system of representation of ____________

36 / 70

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

37 / 70

Hexadecimal system has total _____ numbers.

38 / 70

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

39 / 70

“It is Cold outside” is a ____________

40 / 70

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

41 / 70

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

42 / 70

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

43 / 70

Which is/ are the characteristic of volatile memory devices?

44 / 70

Temporary Memory is also called __________

45 / 70

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

46 / 70

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

47 / 70

Which Unit size of memory is biggest in computer memory?

48 / 70

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

49 / 70

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

50 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

51 / 70

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

52 / 70

Data to a processor is provided through______________

11 characters left

53 / 70

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

54 / 70

All Digital devices / Computers store data in _____________

55 / 70

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

56 / 70

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

57 / 70

Which Unit size of memory is smallest in computer memory?

58 / 70

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

59 / 70

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

60 / 70

This is not a characteristic of Secondary storage devices_____________

61 / 70

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

62 / 70

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

63 / 70

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

64 / 70

______________help us to simplify complex Boolean Expression.

65 / 70

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

66 / 70

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

67 / 70

ASCII Codes are represented in Computer Memory after __________

68 / 70

External Devises are just plug and play, it means________

69 / 70

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

70 / 70

Permanent memory is also called __________

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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