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

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

2 / 53

Which is not an advantage of flowchart?

3 / 53

The Solution is verified means; it is _______________

4 / 53

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

5 / 53

best statement for a problem: _______________

6 / 53

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

7 / 53

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

8 / 53

Testing an algorithm using invalid data ensure that _______________

9 / 53

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

10 / 53

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

11 / 53

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

12 / 53

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

13 / 53

Trace Table is a technique used to test algorithm as ____________________

14 / 53

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

15 / 53

In Algorithm ___________ keywords are used for check the condition.

16 / 53

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

17 / 53

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

18 / 53

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

19 / 53

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

20 / 53

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

21 / 53

A set of Steps to Solve a problem is called____________

22 / 53

In flowchart, taking data from users is called ______________

23 / 53

Which is not an Importance & Benefits of a flowchart?

24 / 53

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

25 / 53

There can be _________ algorithm to solve a single problem.

26 / 53

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

27 / 53

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

28 / 53

Logical Error means the solution is ________________

29 / 53

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

30 / 53

Trace table is in form of _________________

31 / 53

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

32 / 53

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

33 / 53

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

34 / 53

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

35 / 53

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

36 / 53

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

37 / 53

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

38 / 53

Usually a computer programmer can use these steps _________

39 / 53

A clear understanding of a problem ____________

40 / 53

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

41 / 53

Designer/ Programmer have option to take these steps____________

42 / 53

Invalid test Data is type of test data that _____________

43 / 53

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

44 / 53

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

45 / 53

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

46 / 53

Which One is not used in flowchart?

47 / 53

Efficiency of algorithm can be measured by _____________

48 / 53

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

49 / 53

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

50 / 53

“Planning a solution” includes following sub steps______________

51 / 53

A well-defined problem is one that _____________

52 / 53

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

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.

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9th Class Computer Notes Chapter-04

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DATA AND PRIVACY:

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9th Class Computer Notes Chapter-04:

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Computer Ch#04, 09th Class

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1 / 56

Which one is not a fraud & misuse of data?

2 / 56

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

3 / 56

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

4 / 56

Copywrite of software means that ______________

5 / 56

This is the Importance of encrypting a data _________

6 / 56

___________ is the process of encoding data.

7 / 56

Protecting data from malicious users is called ________________

8 / 56

Which is not a good characteristic of a good password?

9 / 56

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

10 / 56

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

11 / 56

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

12 / 56

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

13 / 56

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

14 / 56

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

15 / 56

A crime in which __________________ are used is called cybercrime.

16 / 56

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

17 / 56

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

18 / 56

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

19 / 56

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

20 / 56

A computer virus is a computer program written _____________

21 / 56

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

22 / 56

Which would be an example of phishing Email by Hackers?

23 / 56

A good password should be ____________

24 / 56

Substitution cipher method are methods of encryption in which ______________

25 / 56

Making illegal copies of software is called ____________

26 / 56

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

27 / 56

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

28 / 56

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

29 / 56

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

30 / 56

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

31 / 56

The main purpose to convert plaintext to ciphertext is __________

32 / 56

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

33 / 56

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

34 / 56

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

35 / 56

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

36 / 56

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

37 / 56

Using Cookies companies are able to gather ________________

38 / 56

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

39 / 56

Integrity means that you want to keep your data ____________

40 / 56

Which of these is main aspect to secure our data?

41 / 56

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

42 / 56

One of them is not a data security issue ___________

43 / 56

Which of the following is not characteristics of phishing website?

44 / 56

Patent is a way to protect ____________

45 / 56

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

46 / 56

Illegally accessing someone’s else computer is called _____________

47 / 56

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

48 / 56

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

49 / 56

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

50 / 56

Piracy means making _____________ of copywrite data.

51 / 56

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

52 / 56

Which of the following in not a cybercrime?

53 / 56

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

54 / 56

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

55 / 56

Phishing Emails are showing as __________________

56 / 56

Which one is not a software piracy?

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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

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

2 / 67

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

3 / 67

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

4 / 67

An individual list item can contain another entire list called____________

5 / 67

An HTML documents primarily consist of Sections, which are__________

6 / 67

An HTML element usually consist of a __________ tag

7 / 67

The head element is a container for ____________

8 / 67

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

9 / 67

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

10 / 67

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

11 / 67

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

12 / 67

________ make a cell span more than one row.

13 / 67

HTML is a computer language which is used to create a____________

14 / 67

A website consists of many _____________

15 / 67

Which are the types of List used in HTML.

16 / 67

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

17 / 67

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

18 / 67

__________is used to specify the URL if linked webpage.

19 / 67

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

20 / 67

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

21 / 67

In ____________ the ordered of the list is not important.

22 / 67

____________ Tag is used to create ordered list.

23 / 67

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

24 / 67

___________ tag is used for inserting a line break.

25 / 67

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

26 / 67

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

27 / 67

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

28 / 67

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

29 / 67

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

30 / 67

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

31 / 67

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

32 / 67

Webpages can be created and modified by using ____________

33 / 67

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

34 / 67

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

35 / 67

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

36 / 67

There are _____________ of headings in HTML documents

37 / 67

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

38 / 67

___________ tag makes the enclosed text bold.

39 / 67

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

40 / 67

HTML is not _______________ language

41 / 67

In __________ keeps each list item with an ordered number.

42 / 67

HTML stand for ________________

43 / 67

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

44 / 67

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

45 / 67

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

46 / 67

The purpose of hyperlink is that by clicking on this _____________

47 / 67

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

48 / 67

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

49 / 67

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

50 / 67

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

51 / 67

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

52 / 67

Some tags have not startup and End Tags these are called__________

53 / 67

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

54 / 67

________ Tag is used to create unordered list

55 / 67

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

56 / 67

____________Tag is used to create a hyperlink.

57 / 67

There are ____________ of Tags used in HTML

58 / 67

In a webpage images are added with the _________ Tag

59 / 67

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

60 / 67

__________ tag is used to display data in tabular form.

61 / 67

In HTML, images are defined with the ____________ tag.

62 / 67

In HTML, Table is defined by __________ Tag

63 / 67

a hyperlink can be applied to _______________

64 / 67

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

65 / 67

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

66 / 67

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

67 / 67

In HTML Table, ________is defined by <tr> 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

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

2 / 70

External Devises are just plug and play, it means________

3 / 70

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

4 / 70

Hexadecimal system has total _____ numbers.

5 / 70

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

6 / 70

__________ may also be written as “P . Q”

7 / 70

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

8 / 70

_____________ may also be written as “P + Q”

9 / 70

A number system is the system of representation of ____________

10 / 70

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

11 / 70

___________ may also be written as  ﬧP

12 / 70

“BO93A5” is an example of ______________

13 / 70

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

14 / 70

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

15 / 70

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

16 / 70

______________help us to simplify complex Boolean Expression.

17 / 70

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

18 / 70

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

19 / 70

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

20 / 70

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

21 / 70

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

22 / 70

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

23 / 70

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

24 / 70

Commonly used number systems are ______________

25 / 70

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

26 / 70

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

27 / 70

“It is Cold outside” is a ____________

28 / 70

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

29 / 70

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

30 / 70

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

31 / 70

“1001001” is an example of _____________

32 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

33 / 70

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

34 / 70

Best example of _____________ is Random Access Memory (RAM)

35 / 70

ASCII Codes are represented in Computer Memory after __________

36 / 70

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

37 / 70

Permanent memory is also called __________

38 / 70

Which Unit size of memory is biggest in computer memory?

39 / 70

Temporary Memory is also called __________

40 / 70

_____________ is any physical device which used for storing data.

41 / 70

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

42 / 70

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

43 / 70

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

44 / 70

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

45 / 70

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

46 / 70

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

47 / 70

This is not a characteristic of Secondary storage devices_____________

48 / 70

Compound proposition is true only if ________________

49 / 70

“236598” is an example of _____________

50 / 70

Hardware used for Storage devices may be _____________

51 / 70

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

52 / 70

ASCII stands for ________________

53 / 70

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

54 / 70

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

55 / 70

Which is/ are the characteristic of volatile memory devices?

56 / 70

The main types of Computer Memory is/ are ______________

57 / 70

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

58 / 70

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

59 / 70

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

60 / 70

Which Unit size of memory is smallest in computer memory?

61 / 70

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

62 / 70

All Digital devices / Computers store data in _____________

63 / 70

Data to a processor is provided through______________

11 characters left

64 / 70

Which Unit size of memory is smallest in computer memory?

65 / 70

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

66 / 70

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

67 / 70

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

68 / 70

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

69 / 70

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

70 / 70

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