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

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

2 / 53

Which is not an Importance & Benefits of a flowchart?

3 / 53

The Solution is verified means; it is _______________

4 / 53

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

5 / 53

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

6 / 53

Which is the disadvantage of algorithm?

7 / 53

Designer/ Programmer have option to take these steps____________

8 / 53

Logical Error means the solution is ________________

9 / 53

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

10 / 53

Trace table is in form of _________________

11 / 53

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

12 / 53

There can be _________ algorithm to solve a single problem.

13 / 53

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

14 / 53

Trace Table is a technique used to test algorithm as ____________________

15 / 53

In flowchart, taking data from users is called ______________

16 / 53

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

17 / 53

Efficiency of algorithm can be measured by _____________

18 / 53

A set of Steps to Solve a problem is called____________

19 / 53

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

20 / 53

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

21 / 53

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

22 / 53

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

23 / 53

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

24 / 53

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

25 / 53

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

26 / 53

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

27 / 53

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

28 / 53

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

29 / 53

A well-defined problem is one that _____________

30 / 53

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

31 / 53

Which One is not used in flowchart?

32 / 53

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

33 / 53

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

34 / 53

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

35 / 53

“Planning a solution” includes following sub steps______________

36 / 53

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

37 / 53

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

38 / 53

In Algorithm ___________ keywords are used for check the condition.

39 / 53

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

40 / 53

Which is not an advantage of flowchart?

41 / 53

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

42 / 53

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

43 / 53

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

44 / 53

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

45 / 53

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

46 / 53

Usually a computer programmer can use these steps _________

47 / 53

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

48 / 53

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

49 / 53

A clear understanding of a problem ____________

50 / 53

best statement for a problem: _______________

51 / 53

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

52 / 53

Invalid test Data is type of test data that _____________

53 / 53

Testing an algorithm using invalid data ensure that _______________

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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

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

2 / 56

Patent is a way to protect ____________

3 / 56

One of them is not a data security issue ___________

4 / 56

Piracy means making _____________ of copywrite data.

5 / 56

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

6 / 56

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

7 / 56

Which of the following is not characteristics of phishing website?

8 / 56

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

9 / 56

Illegally accessing someone’s else computer is called _____________

10 / 56

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

11 / 56

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

12 / 56

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

13 / 56

Which one is not a fraud & misuse of data?

14 / 56

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

15 / 56

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

16 / 56

Substitution cipher method are methods of encryption in which ______________

17 / 56

Which one is not a software piracy?

18 / 56

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

19 / 56

This is the Importance of encrypting a data _________

20 / 56

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

21 / 56

___________ is the process of encoding data.

22 / 56

Making illegal copies of software is called ____________

23 / 56

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

24 / 56

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

25 / 56

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

26 / 56

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

27 / 56

Integrity means that you want to keep your data ____________

28 / 56

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

29 / 56

Which of the following in not a cybercrime?

30 / 56

A computer virus is a computer program written _____________

31 / 56

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

32 / 56

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

33 / 56

A good password should be ____________

34 / 56

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

35 / 56

The main purpose to convert plaintext to ciphertext is __________

36 / 56

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

37 / 56

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

38 / 56

Phishing Emails are showing as __________________

39 / 56

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

40 / 56

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

41 / 56

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

42 / 56

A crime in which __________________ are used is called cybercrime.

43 / 56

Copywrite of software means that ______________

44 / 56

Protecting data from malicious users is called ________________

45 / 56

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

46 / 56

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

47 / 56

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

48 / 56

Which would be an example of phishing Email by Hackers?

49 / 56

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

50 / 56

Which is not a good characteristic of a good password?

51 / 56

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

52 / 56

Using Cookies companies are able to gather ________________

53 / 56

Which of these is main aspect to secure our data?

54 / 56

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

55 / 56

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

56 / 56

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

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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

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

2 / 67

Webpages can be created and modified by using ____________

3 / 67

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

4 / 67

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

5 / 67

____________ Tag is used to create ordered list.

6 / 67

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

7 / 67

In ____________ the ordered of the list is not important.

8 / 67

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

9 / 67

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

10 / 67

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

11 / 67

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

12 / 67

In a webpage images are added with the _________ Tag

13 / 67

Some tags have not startup and End Tags these are called__________

14 / 67

________ Tag is used to create unordered list

15 / 67

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

16 / 67

A website consists of many _____________

17 / 67

The head element is a container for ____________

18 / 67

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

19 / 67

HTML stand for ________________

20 / 67

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

21 / 67

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

22 / 67

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

23 / 67

There are ____________ of Tags used in HTML

24 / 67

___________ tag is used for inserting a line break.

25 / 67

__________ tag is used to display data in tabular form.

26 / 67

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

27 / 67

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

28 / 67

In HTML, images are defined with the ____________ tag.

29 / 67

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

30 / 67

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

31 / 67

In HTML, Table is defined by __________ Tag

32 / 67

In __________ keeps each list item with an ordered number.

33 / 67

An HTML documents primarily consist of Sections, which are__________

34 / 67

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

35 / 67

___________ tag makes the enclosed text bold.

36 / 67

a hyperlink can be applied to _______________

37 / 67

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

38 / 67

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

39 / 67

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

40 / 67

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

41 / 67

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

42 / 67

HTML is not _______________ language

43 / 67

There are _____________ of headings in HTML documents

44 / 67

Which are the types of List used in HTML.

45 / 67

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

46 / 67

__________is used to specify the URL if linked webpage.

47 / 67

An HTML element usually consist of a __________ tag

48 / 67

The purpose of hyperlink is that by clicking on this _____________

49 / 67

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

50 / 67

____________Tag is used to create a hyperlink.

51 / 67

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

52 / 67

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

53 / 67

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

54 / 67

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

55 / 67

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

56 / 67

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

57 / 67

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

58 / 67

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

59 / 67

HTML is a computer language which is used to create a____________

60 / 67

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

61 / 67

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

62 / 67

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

63 / 67

An individual list item can contain another entire list called____________

64 / 67

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

65 / 67

________ make a cell span more than one row.

66 / 67

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

67 / 67

In HTML Table, ________is defined with <th> 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

_____________ is any physical device which used for storing data.

2 / 70

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

3 / 70

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

4 / 70

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

5 / 70

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

6 / 70

Which Unit size of memory is smallest in computer memory?

7 / 70

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

8 / 70

ASCII stands for ________________

9 / 70

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

10 / 70

“BO93A5” is an example of ______________

11 / 70

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

12 / 70

“236598” is an example of _____________

13 / 70

ASCII Codes are represented in Computer Memory after __________

14 / 70

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

15 / 70

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

16 / 70

“It is Cold outside” is a ____________

17 / 70

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

18 / 70

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

19 / 70

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

20 / 70

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

21 / 70

Hardware used for Storage devices may be _____________

22 / 70

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

23 / 70

Data to a processor is provided through______________

11 characters left

24 / 70

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

25 / 70

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

26 / 70

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

27 / 70

Which is/ are the characteristic of volatile memory devices?

28 / 70

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

29 / 70

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

30 / 70

Which Unit size of memory is biggest in computer memory?

31 / 70

___________ may also be written as  ﬧP

32 / 70

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

33 / 70

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

34 / 70

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

35 / 70

All Digital devices / Computers store data in _____________

36 / 70

______________help us to simplify complex Boolean Expression.

37 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

38 / 70

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

39 / 70

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

40 / 70

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

41 / 70

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

42 / 70

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

43 / 70

Best example of _____________ is Random Access Memory (RAM)

44 / 70

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

45 / 70

__________ may also be written as “P . Q”

46 / 70

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

47 / 70

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

48 / 70

A number system is the system of representation of ____________

49 / 70

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

50 / 70

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

51 / 70

Compound proposition is true only if ________________

52 / 70

Hexadecimal system has total _____ numbers.

53 / 70

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

54 / 70

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

55 / 70

External Devises are just plug and play, it means________

56 / 70

“1001001” is an example of _____________

57 / 70

_____________ may also be written as “P + Q”

58 / 70

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

59 / 70

Which Unit size of memory is smallest in computer memory?

60 / 70

Permanent memory is also called __________

61 / 70

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

62 / 70

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

63 / 70

Temporary Memory is also called __________

64 / 70

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

65 / 70

Commonly used number systems are ______________

66 / 70

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

67 / 70

This is not a characteristic of Secondary storage devices_____________

68 / 70

The main types of Computer Memory is/ are ______________

69 / 70

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

70 / 70

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

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MCQs Chap # 02 – Computer Science 9th Class (Open/ Download)

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9th Class Computer Science Notes & MCQS:

We know, the importance of Computer science  study in every class is most important for students, including for students of 9th Class & 10th Class or other classes. If we talk Matric Classes Student of Science Classes or Arts classes, Computer Science is equally important for both Classes. Every Student of 9th & 10th Class is trying to search the topic like 9th Class Computer Notes pdf, 10th Class Computer Science Notes PDF, 9th Class Computer MCQs Chapter-02, 9th Class Computer Notes Chapter-02, Class 9 Computer MCQs Chapter-02, 9th class Computer Notes Chapter 02, adamjee notes class 9 Computer 2022, adamjee notes for class 9 Computer, adamjee notes for class 9, adamjee notes.

Class 9 Computer Science Chapter-Wise Notes