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

best statement for a problem: _______________

2 / 53

In Algorithm ___________ keywords are used for check the condition.

3 / 53

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

4 / 53

Usually a computer programmer can use these steps _________

5 / 53

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

6 / 53

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

7 / 53

A well-defined problem is one that _____________

8 / 53

A clear understanding of a problem ____________

9 / 53

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

10 / 53

Trace table is in form of _________________

11 / 53

Logical Error means the solution is ________________

12 / 53

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

13 / 53

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

14 / 53

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

15 / 53

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

16 / 53

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

17 / 53

Invalid test Data is type of test data that _____________

18 / 53

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

19 / 53

Which is not an advantage of flowchart?

20 / 53

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

21 / 53

Designer/ Programmer have option to take these steps____________

22 / 53

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

23 / 53

Which One is not used in flowchart?

24 / 53

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

25 / 53

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

26 / 53

Efficiency of algorithm can be measured by _____________

27 / 53

A set of Steps to Solve a problem is called____________

28 / 53

In flowchart, taking data from users is called ______________

29 / 53

There can be _________ algorithm to solve a single problem.

30 / 53

“Planning a solution” includes following sub steps______________

31 / 53

Which is not an Importance & Benefits of a flowchart?

32 / 53

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

33 / 53

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

34 / 53

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

35 / 53

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

36 / 53

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

37 / 53

The Solution is verified means; it is _______________

38 / 53

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

39 / 53

Trace Table is a technique used to test algorithm as ____________________

40 / 53

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

41 / 53

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

42 / 53

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

43 / 53

Which is the disadvantage of algorithm?

44 / 53

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

45 / 53

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

46 / 53

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

47 / 53

Testing an algorithm using invalid data ensure that _______________

48 / 53

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

49 / 53

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

50 / 53

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

51 / 53

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

52 / 53

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

53 / 53

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

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MCQS Chap # 01 – Computer Science 9th Class (Open/ Download)

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Short Questions Chap#01 – Computer Science 9th Class  (Open/ Download)

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Long Questions Chap #01 – Computer Science 9th Class (Open/ Download)

 

We know, the importance of Computer science  study in every class is most important for students, including for students of 9th Class & 10th Class or other classes. If we talk Matric Classes Student of Science Classes or Arts classes, Computer Science is equally important for both Classes. Every Student of 9th & 10th Class is trying to search the topic like “9th Class Computer Notes pdf”, 10th Class Computer Science Notes PDF”, 9th Class Computer MCQs Chapter-01, 9th Class Computer Notes Chapter-01 New Syllabus, Class 9 Computer MCQs Chapter-01 New Syllabus, 9th Class Computer MCQs Chapter-01, adamjee notes class 9 Computer 2022, adamjee notes for class 9 Computer, adamjee notes for class 9, adamjee notes.

Class 9 Computer Science Chapter-Wise Notes

 

 

9th Class Computer Notes Chapter-04

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DATA AND PRIVACY:

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9th Class Computer Notes Chapter-04:

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Computer Ch#04, 09th Class

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1 / 56

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

2 / 56

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

3 / 56

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

4 / 56

The main purpose to convert plaintext to ciphertext is __________

5 / 56

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

6 / 56

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

7 / 56

Which of these is main aspect to secure our data?

8 / 56

___________ is the process of encoding data.

9 / 56

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

10 / 56

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

11 / 56

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

12 / 56

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

13 / 56

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

14 / 56

Copywrite of software means that ______________

15 / 56

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

16 / 56

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

17 / 56

Which would be an example of phishing Email by Hackers?

18 / 56

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

19 / 56

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

20 / 56

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

21 / 56

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

22 / 56

Piracy means making _____________ of copywrite data.

23 / 56

One of them is not a data security issue ___________

24 / 56

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

25 / 56

Integrity means that you want to keep your data ____________

26 / 56

A computer virus is a computer program written _____________

27 / 56

Phishing Emails are showing as __________________

28 / 56

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

29 / 56

Patent is a way to protect ____________

30 / 56

A good password should be ____________

31 / 56

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

32 / 56

Protecting data from malicious users is called ________________

33 / 56

Illegally accessing someone’s else computer is called _____________

34 / 56

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

35 / 56

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

36 / 56

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

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

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

39 / 56

Substitution cipher method are methods of encryption in which ______________

40 / 56

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

41 / 56

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

42 / 56

Making illegal copies of software is called ____________

43 / 56

Which is not a good characteristic of a good password?

44 / 56

A crime in which __________________ are used is called cybercrime.

45 / 56

Using Cookies companies are able to gather ________________

46 / 56

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

47 / 56

Which one is not a software piracy?

48 / 56

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

49 / 56

Which of the following is not characteristics of phishing website?

50 / 56

Which one is not a fraud & misuse of data?

51 / 56

This is the Importance of encrypting a data _________

52 / 56

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

53 / 56

Which of the following in not a cybercrime?

54 / 56

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

55 / 56

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

56 / 56

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

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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

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

2 / 67

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

3 / 67

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

4 / 67

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

5 / 67

________ Tag is used to create unordered list

6 / 67

__________ tag is used to display data in tabular form.

7 / 67

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

8 / 67

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

9 / 67

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

10 / 67

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

11 / 67

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

12 / 67

Some tags have not startup and End Tags these are called__________

13 / 67

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

14 / 67

HTML is a computer language which is used to create a____________

15 / 67

The head element is a container for ____________

16 / 67

__________is used to specify the URL if linked webpage.

17 / 67

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

18 / 67

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

19 / 67

The purpose of hyperlink is that by clicking on this _____________

20 / 67

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

21 / 67

An HTML element usually consist of a __________ tag

22 / 67

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

23 / 67

In HTML, images are defined with the ____________ tag.

24 / 67

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

25 / 67

In HTML, Table is defined by __________ Tag

26 / 67

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

27 / 67

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

28 / 67

________ make a cell span more than one row.

29 / 67

___________ tag makes the enclosed text bold.

30 / 67

Webpages can be created and modified by using ____________

31 / 67

In ____________ the ordered of the list is not important.

32 / 67

A website consists of many _____________

33 / 67

HTML stand for ________________

34 / 67

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

35 / 67

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

36 / 67

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

37 / 67

HTML is not _______________ language

38 / 67

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

39 / 67

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

40 / 67

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

41 / 67

____________Tag is used to create a hyperlink.

42 / 67

There are ____________ of Tags used in HTML

43 / 67

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

44 / 67

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

45 / 67

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

46 / 67

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

47 / 67

There are _____________ of headings in HTML documents

48 / 67

In __________ keeps each list item with an ordered number.

49 / 67

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

50 / 67

a hyperlink can be applied to _______________

51 / 67

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

52 / 67

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

53 / 67

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

54 / 67

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

55 / 67

Which are the types of List used in HTML.

56 / 67

An HTML documents primarily consist of Sections, which are__________

57 / 67

An individual list item can contain another entire list called____________

58 / 67

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

59 / 67

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

60 / 67

____________ Tag is used to create ordered list.

61 / 67

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

62 / 67

In a webpage images are added with the _________ Tag

63 / 67

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

64 / 67

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

65 / 67

___________ tag is used for inserting a line break.

66 / 67

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

67 / 67

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

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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

ASCII stands for ________________

2 / 70

Permanent memory is also called __________

3 / 70

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

4 / 70

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

5 / 70

The main types of Computer Memory is/ are ______________

6 / 70

Hardware used for Storage devices may be _____________

7 / 70

“BO93A5” is an example of ______________

8 / 70

_____________ may also be written as “P + Q”

9 / 70

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

10 / 70

Temporary Memory is also called __________

11 / 70

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

12 / 70

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

13 / 70

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

14 / 70

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

15 / 70

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

16 / 70

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

17 / 70

Compound proposition is true only if ________________

18 / 70

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

19 / 70

Hexadecimal system has total _____ numbers.

20 / 70

Which is/ are the characteristic of volatile memory devices?

21 / 70

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

22 / 70

All Digital devices / Computers store data in _____________

23 / 70

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

24 / 70

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

25 / 70

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

26 / 70

_____________ is any physical device which used for storing data.

27 / 70

Which Unit size of memory is smallest in computer memory?

28 / 70

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

29 / 70

A number system is the system of representation of ____________

30 / 70

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

31 / 70

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

32 / 70

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

33 / 70

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

34 / 70

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

35 / 70

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

36 / 70

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

37 / 70

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

38 / 70

“236598” is an example of _____________

39 / 70

Which Unit size of memory is biggest in computer memory?

40 / 70

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

41 / 70

Best example of _____________ is Random Access Memory (RAM)

42 / 70

“It is Cold outside” is a ____________

43 / 70

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

44 / 70

__________ may also be written as “P . Q”

45 / 70

___________ may also be written as  ﬧP

46 / 70

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

47 / 70

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

48 / 70

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

49 / 70

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

50 / 70

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

51 / 70

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

52 / 70

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

53 / 70

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

54 / 70

Data to a processor is provided through______________

11 characters left

55 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

56 / 70

Commonly used number systems are ______________

57 / 70

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

58 / 70

ASCII Codes are represented in Computer Memory after __________

59 / 70

“1001001” is an example of _____________

60 / 70

Which Unit size of memory is smallest in computer memory?

61 / 70

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

62 / 70

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

63 / 70

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

64 / 70

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

65 / 70

______________help us to simplify complex Boolean Expression.

66 / 70

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

67 / 70

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

68 / 70

External Devises are just plug and play, it means________

69 / 70

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

70 / 70

This is not a characteristic of Secondary storage devices_____________

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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