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 set of Steps to Solve a problem is called____________

2 / 53

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

3 / 53

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

4 / 53

A clear understanding of a problem ____________

5 / 53

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

6 / 53

A well-defined problem is one that _____________

7 / 53

There can be _________ algorithm to solve a single problem.

8 / 53

Which One is not used in flowchart?

9 / 53

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

10 / 53

In Algorithm ___________ keywords are used for check the condition.

11 / 53

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

12 / 53

Trace table is in form of _________________

13 / 53

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

14 / 53

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

15 / 53

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

16 / 53

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

17 / 53

Logical Error means the solution is ________________

18 / 53

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

19 / 53

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

20 / 53

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

21 / 53

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

22 / 53

Designer/ Programmer have option to take these steps____________

23 / 53

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

24 / 53

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

25 / 53

Which is not an Importance & Benefits of a flowchart?

26 / 53

Which is not an advantage of flowchart?

27 / 53

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

28 / 53

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

29 / 53

The Solution is verified means; it is _______________

30 / 53

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

31 / 53

best statement for a problem: _______________

32 / 53

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

33 / 53

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

34 / 53

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

35 / 53

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

36 / 53

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

37 / 53

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

38 / 53

Invalid test Data is type of test data that _____________

39 / 53

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

40 / 53

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

41 / 53

Which is the disadvantage of algorithm?

42 / 53

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

43 / 53

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

44 / 53

In flowchart, taking data from users is called ______________

45 / 53

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

46 / 53

Testing an algorithm using invalid data ensure that _______________

47 / 53

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

48 / 53

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

49 / 53

Usually a computer programmer can use these steps _________

50 / 53

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

51 / 53

Trace Table is a technique used to test algorithm as ____________________

52 / 53

“Planning a solution” includes following sub steps______________

53 / 53

Efficiency of algorithm can be measured by _____________

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MCQS 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

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

2 / 56

Which of these is main aspect to secure our data?

3 / 56

One of them is not a data security issue ___________

4 / 56

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

5 / 56

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

6 / 56

A computer virus is a computer program written _____________

7 / 56

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

8 / 56

Copywrite of software means that ______________

9 / 56

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

10 / 56

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

11 / 56

Illegally accessing someone’s else computer is called _____________

12 / 56

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

13 / 56

Patent is a way to protect ____________

14 / 56

Substitution cipher method are methods of encryption in which ______________

15 / 56

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

16 / 56

Piracy means making _____________ of copywrite data.

17 / 56

Which is not a good characteristic of a good password?

18 / 56

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

19 / 56

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

20 / 56

Protecting data from malicious users is called ________________

21 / 56

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

22 / 56

Phishing Emails are showing as __________________

23 / 56

The main purpose to convert plaintext to ciphertext is __________

24 / 56

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

25 / 56

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

26 / 56

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

27 / 56

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

28 / 56

Which would be an example of phishing Email by Hackers?

29 / 56

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

30 / 56

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

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

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

33 / 56

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

34 / 56

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

35 / 56

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

36 / 56

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

37 / 56

A good password should be ____________

38 / 56

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

39 / 56

Which one is not a software piracy?

40 / 56

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

41 / 56

Using Cookies companies are able to gather ________________

42 / 56

___________ is the process of encoding data.

43 / 56

Which of the following is not characteristics of phishing website?

44 / 56

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

45 / 56

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

46 / 56

Making illegal copies of software is called ____________

47 / 56

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

48 / 56

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

49 / 56

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

50 / 56

Integrity means that you want to keep your data ____________

51 / 56

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

52 / 56

Which of the following in not a cybercrime?

53 / 56

This is the Importance of encrypting a data _________

54 / 56

Which one is not a fraud & misuse of data?

55 / 56

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

56 / 56

A crime in which __________________ are used is called cybercrime.

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MCQs 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

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

2 / 67

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

3 / 67

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

4 / 67

In HTML, images are defined with the ____________ tag.

5 / 67

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

6 / 67

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

7 / 67

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

8 / 67

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

9 / 67

An individual list item can contain another entire list called____________

10 / 67

In a webpage images are added with the _________ Tag

11 / 67

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

12 / 67

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

13 / 67

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

14 / 67

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

15 / 67

__________is used to specify the URL if linked webpage.

16 / 67

HTML is a computer language which is used to create a____________

17 / 67

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

18 / 67

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

19 / 67

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

20 / 67

HTML is not _______________ language

21 / 67

An HTML documents primarily consist of Sections, which are__________

22 / 67

Some tags have not startup and End Tags these are called__________

23 / 67

____________Tag is used to create a hyperlink.

24 / 67

a hyperlink can be applied to _______________

25 / 67

________ make a cell span more than one row.

26 / 67

A website consists of many _____________

27 / 67

____________ Tag is used to create ordered list.

28 / 67

Which are the types of List used in HTML.

29 / 67

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

30 / 67

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

31 / 67

________ Tag is used to create unordered list

32 / 67

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

33 / 67

__________ tag is used to display data in tabular form.

34 / 67

___________ tag makes the enclosed text bold.

35 / 67

In __________ keeps each list item with an ordered number.

36 / 67

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

37 / 67

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

38 / 67

Webpages can be created and modified by using ____________

39 / 67

There are ____________ of Tags used in HTML

40 / 67

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

41 / 67

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

42 / 67

HTML stand for ________________

43 / 67

___________ tag is used for inserting a line break.

44 / 67

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

45 / 67

There are _____________ of headings in HTML documents

46 / 67

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

47 / 67

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

48 / 67

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

49 / 67

In HTML, Table is defined by __________ Tag

50 / 67

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

51 / 67

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

52 / 67

In ____________ the ordered of the list is not important.

53 / 67

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

54 / 67

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

55 / 67

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

56 / 67

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

57 / 67

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

58 / 67

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

59 / 67

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

60 / 67

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

61 / 67

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

62 / 67

An HTML element usually consist of a __________ tag

63 / 67

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

64 / 67

The head element is a container for ____________

65 / 67

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

66 / 67

The purpose of hyperlink is that by clicking on this _____________

67 / 67

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

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MCQs 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

“1001001” is an example of _____________

3 / 70

All Digital devices / Computers store data in _____________

4 / 70

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

5 / 70

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

6 / 70

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

7 / 70

This is not a characteristic of Secondary storage devices_____________

8 / 70

Data to a processor is provided through______________

11 characters left

9 / 70

“It is Cold outside” is a ____________

10 / 70

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

11 / 70

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

12 / 70

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

13 / 70

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

14 / 70

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

15 / 70

______________help us to simplify complex Boolean Expression.

16 / 70

“BO93A5” is an example of ______________

17 / 70

Which Unit size of memory is biggest in computer memory?

18 / 70

_____________ is any physical device which used for storing data.

19 / 70

Compound proposition is true only if ________________

20 / 70

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

21 / 70

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

22 / 70

___________ may also be written as  ﬧP

23 / 70

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

24 / 70

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

25 / 70

ASCII Codes are represented in Computer Memory after __________

26 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

27 / 70

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

28 / 70

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

29 / 70

Hardware used for Storage devices may be _____________

30 / 70

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

31 / 70

Which Unit size of memory is smallest in computer memory?

32 / 70

Best example of _____________ is Random Access Memory (RAM)

33 / 70

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

34 / 70

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

35 / 70

The main types of Computer Memory is/ are ______________

36 / 70

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

37 / 70

Commonly used number systems are ______________

38 / 70

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

39 / 70

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

40 / 70

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

41 / 70

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

42 / 70

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

43 / 70

A number system is the system of representation of ____________

44 / 70

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

45 / 70

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

46 / 70

ASCII stands for ________________

47 / 70

Permanent memory is also called __________

48 / 70

Temporary Memory is also called __________

49 / 70

External Devises are just plug and play, it means________

50 / 70

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

51 / 70

__________ may also be written as “P . Q”

52 / 70

Which is/ are the characteristic of volatile memory devices?

53 / 70

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

54 / 70

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

55 / 70

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

56 / 70

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

57 / 70

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

58 / 70

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

59 / 70

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

60 / 70

Hexadecimal system has total _____ numbers.

61 / 70

Which Unit size of memory is smallest in computer memory?

62 / 70

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

63 / 70

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

64 / 70

“236598” is an example of _____________

65 / 70

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

66 / 70

_____________ may also be written as “P + Q”

67 / 70

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

68 / 70

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

69 / 70

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

70 / 70

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

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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