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

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

2 / 53

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

3 / 53

Which is not an advantage of flowchart?

4 / 53

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

5 / 53

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

6 / 53

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

7 / 53

A clear understanding of a problem ____________

8 / 53

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

9 / 53

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

10 / 53

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

11 / 53

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

12 / 53

Trace table is in form of _________________

13 / 53

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

14 / 53

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

15 / 53

Which is not an Importance & Benefits of a flowchart?

16 / 53

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

17 / 53

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

18 / 53

Efficiency of algorithm can be measured by _____________

19 / 53

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

20 / 53

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

21 / 53

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

22 / 53

Which is the disadvantage of algorithm?

23 / 53

In flowchart, taking data from users is called ______________

24 / 53

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

25 / 53

Logical Error means the solution is ________________

26 / 53

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

27 / 53

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

28 / 53

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

29 / 53

A well-defined problem is one that _____________

30 / 53

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

31 / 53

Usually a computer programmer can use these steps _________

32 / 53

The Solution is verified means; it is _______________

33 / 53

Testing an algorithm using invalid data ensure that _______________

34 / 53

There can be _________ algorithm to solve a single problem.

35 / 53

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

36 / 53

Invalid test Data is type of test data that _____________

37 / 53

In Algorithm ___________ keywords are used for check the condition.

38 / 53

best statement for a problem: _______________

39 / 53

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

40 / 53

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

41 / 53

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

42 / 53

A set of Steps to Solve a problem is called____________

43 / 53

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

44 / 53

“Planning a solution” includes following sub steps______________

45 / 53

Which One is not used in flowchart?

46 / 53

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

47 / 53

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

48 / 53

Trace Table is a technique used to test algorithm as ____________________

49 / 53

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

50 / 53

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

51 / 53

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

52 / 53

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

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.

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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

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

3 / 56

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

4 / 56

Substitution cipher method are methods of encryption in which ______________

5 / 56

Which of these is main aspect to secure our data?

6 / 56

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

7 / 56

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

8 / 56

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

9 / 56

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

10 / 56

Which of the following is not characteristics of phishing website?

11 / 56

One of them is not a data security issue ___________

12 / 56

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

13 / 56

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

14 / 56

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

15 / 56

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

16 / 56

Integrity means that you want to keep your data ____________

17 / 56

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

18 / 56

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

19 / 56

Using Cookies companies are able to gather ________________

20 / 56

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

21 / 56

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

22 / 56

Illegally accessing someone’s else computer is called _____________

23 / 56

Patent is a way to protect ____________

24 / 56

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

25 / 56

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

26 / 56

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

27 / 56

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

28 / 56

Which of the following in not a cybercrime?

29 / 56

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

30 / 56

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

31 / 56

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

32 / 56

A crime in which __________________ are used is called cybercrime.

33 / 56

A computer virus is a computer program written _____________

34 / 56

This is the Importance of encrypting a data _________

35 / 56

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

36 / 56

The main purpose to convert plaintext to ciphertext is __________

37 / 56

Which one is not a software piracy?

38 / 56

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

39 / 56

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

40 / 56

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

41 / 56

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

42 / 56

A good password should be ____________

43 / 56

Which is not a good characteristic of a good password?

44 / 56

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

45 / 56

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

46 / 56

Phishing Emails are showing as __________________

47 / 56

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

48 / 56

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

49 / 56

Copywrite of software means that ______________

50 / 56

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

51 / 56

Protecting data from malicious users is called ________________

52 / 56

Making illegal copies of software is called ____________

53 / 56

Piracy means making _____________ of copywrite data.

54 / 56

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

55 / 56

___________ is the process of encoding data.

56 / 56

Which would be an example of phishing Email by Hackers?

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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

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

2 / 67

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

3 / 67

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

4 / 67

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

5 / 67

An HTML documents primarily consist of Sections, which are__________

6 / 67

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

7 / 67

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

8 / 67

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

9 / 67

In __________ keeps each list item with an ordered number.

10 / 67

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

11 / 67

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

12 / 67

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

13 / 67

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

14 / 67

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

15 / 67

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

16 / 67

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

17 / 67

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

18 / 67

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

19 / 67

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

20 / 67

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

21 / 67

a hyperlink can be applied to _______________

22 / 67

The head element is a container for ____________

23 / 67

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

24 / 67

An individual list item can contain another entire list called____________

25 / 67

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

26 / 67

HTML stand for ________________

27 / 67

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

28 / 67

An HTML element usually consist of a __________ tag

29 / 67

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

30 / 67

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

31 / 67

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

32 / 67

___________ tag is used for inserting a line break.

33 / 67

___________ tag makes the enclosed text bold.

34 / 67

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

35 / 67

Which are the types of List used in HTML.

36 / 67

HTML is not _______________ language

37 / 67

In HTML, images are defined with the ____________ tag.

38 / 67

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

39 / 67

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

40 / 67

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

41 / 67

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

42 / 67

In ____________ the ordered of the list is not important.

43 / 67

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

44 / 67

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

45 / 67

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

46 / 67

__________ tag is used to display data in tabular form.

47 / 67

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

48 / 67

Webpages can be created and modified by using ____________

49 / 67

____________ Tag is used to create ordered list.

50 / 67

Some tags have not startup and End Tags these are called__________

51 / 67

HTML is a computer language which is used to create a____________

52 / 67

________ Tag is used to create unordered list

53 / 67

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

54 / 67

There are _____________ of headings in HTML documents

55 / 67

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

56 / 67

The purpose of hyperlink is that by clicking on this _____________

57 / 67

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

58 / 67

In HTML, Table is defined by __________ Tag

59 / 67

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

60 / 67

In a webpage images are added with the _________ Tag

61 / 67

A website consists of many _____________

62 / 67

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

63 / 67

__________is used to specify the URL if linked webpage.

64 / 67

____________Tag is used to create a hyperlink.

65 / 67

________ make a cell span more than one row.

66 / 67

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

67 / 67

There are ____________ of Tags used in HTML

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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

_____________ may also be written as “P + Q”

2 / 70

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

3 / 70

Hardware used for Storage devices may be _____________

4 / 70

__________ may also be written as “P . Q”

5 / 70

External Devises are just plug and play, it means________

6 / 70

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

7 / 70

ASCII Codes are represented in Computer Memory after __________

8 / 70

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

9 / 70

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

10 / 70

Which Unit size of memory is smallest in computer memory?

11 / 70

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

12 / 70

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

13 / 70

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

14 / 70

ASCII stands for ________________

15 / 70

___________ may also be written as  ﬧP

16 / 70

Which Unit size of memory is smallest in computer memory?

17 / 70

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

18 / 70

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

19 / 70

“236598” is an example of _____________

20 / 70

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

21 / 70

Which is/ are the characteristic of volatile memory devices?

22 / 70

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

23 / 70

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

24 / 70

All Digital devices / Computers store data in _____________

25 / 70

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

26 / 70

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

27 / 70

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

28 / 70

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

29 / 70

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

30 / 70

“It is Cold outside” is a ____________

31 / 70

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

32 / 70

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

33 / 70

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

34 / 70

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

35 / 70

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

36 / 70

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

37 / 70

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

38 / 70

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

39 / 70

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

40 / 70

Data to a processor is provided through______________

11 characters left

41 / 70

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

42 / 70

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

43 / 70

Permanent memory is also called __________

44 / 70

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

45 / 70

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

46 / 70

“1001001” is an example of _____________

47 / 70

Commonly used number systems are ______________

48 / 70

Best example of _____________ is Random Access Memory (RAM)

49 / 70

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

50 / 70

“BO93A5” is an example of ______________

51 / 70

A number system is the system of representation of ____________

52 / 70

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

53 / 70

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

54 / 70

Which Unit size of memory is biggest in computer memory?

55 / 70

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

56 / 70

_____________ is any physical device which used for storing data.

57 / 70

Compound proposition is true only if ________________

58 / 70

Hexadecimal system has total _____ numbers.

59 / 70

______________help us to simplify complex Boolean Expression.

60 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

61 / 70

This is not a characteristic of Secondary storage devices_____________

62 / 70

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

63 / 70

The main types of Computer Memory is/ are ______________

64 / 70

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

65 / 70

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

66 / 70

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

67 / 70

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

68 / 70

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

69 / 70

Temporary Memory is also called __________

70 / 70

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

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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