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 clear understanding of a problem ____________

2 / 53

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

3 / 53

There can be _________ algorithm to solve a single problem.

4 / 53

In Algorithm ___________ keywords are used for check the condition.

5 / 53

Which One is not used in flowchart?

6 / 53

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

7 / 53

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

8 / 53

Which is the disadvantage of algorithm?

9 / 53

Logical Error means the solution is ________________

10 / 53

Trace table is in form of _________________

11 / 53

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

12 / 53

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

13 / 53

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

14 / 53

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

15 / 53

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

16 / 53

Trace Table is a technique used to test algorithm as ____________________

17 / 53

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

18 / 53

Which is not an advantage of flowchart?

19 / 53

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

20 / 53

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

21 / 53

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

22 / 53

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

23 / 53

Designer/ Programmer have option to take these steps____________

24 / 53

Testing an algorithm using invalid data ensure that _______________

25 / 53

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

26 / 53

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

27 / 53

Usually a computer programmer can use these steps _________

28 / 53

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

29 / 53

Invalid test Data is type of test data that _____________

30 / 53

A set of Steps to Solve a problem is called____________

31 / 53

Efficiency of algorithm can be measured by _____________

32 / 53

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

33 / 53

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

34 / 53

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

35 / 53

A well-defined problem is one that _____________

36 / 53

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

37 / 53

best statement for a problem: _______________

38 / 53

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

39 / 53

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

40 / 53

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

41 / 53

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

42 / 53

“Planning a solution” includes following sub steps______________

43 / 53

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

44 / 53

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

45 / 53

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

46 / 53

The Solution is verified means; it is _______________

47 / 53

Which is not an Importance & Benefits of a flowchart?

48 / 53

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

49 / 53

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

50 / 53

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

51 / 53

In flowchart, taking data from users is called ______________

52 / 53

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

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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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 is not a good characteristic of a good password?

2 / 56

Which would be an example of phishing Email by Hackers?

3 / 56

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

4 / 56

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

5 / 56

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

6 / 56

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

7 / 56

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

8 / 56

Which one is not a fraud & misuse of data?

9 / 56

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

10 / 56

Which of the following is not characteristics of phishing website?

11 / 56

Phishing Emails are showing as __________________

12 / 56

Which of the following in not a cybercrime?

13 / 56

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

14 / 56

Piracy means making _____________ of copywrite data.

15 / 56

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

16 / 56

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

17 / 56

Which one is not a software piracy?

18 / 56

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

19 / 56

Substitution cipher method are methods of encryption in which ______________

20 / 56

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

21 / 56

Making illegal copies of software is called ____________

22 / 56

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

23 / 56

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

24 / 56

A crime in which __________________ are used is called cybercrime.

25 / 56

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

26 / 56

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

27 / 56

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

28 / 56

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

29 / 56

Copywrite of software means that ______________

30 / 56

This is the Importance of encrypting a data _________

31 / 56

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

32 / 56

___________ is the process of encoding data.

33 / 56

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

34 / 56

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

35 / 56

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

36 / 56

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

37 / 56

Integrity means that you want to keep your data ____________

38 / 56

A computer virus is a computer program written _____________

39 / 56

Illegally accessing someone’s else computer is called _____________

40 / 56

One of them is not a data security issue ___________

41 / 56

Protecting data from malicious users is called ________________

42 / 56

Patent is a way to protect ____________

43 / 56

Which of these is main aspect to secure our data?

44 / 56

Using Cookies companies are able to gather ________________

45 / 56

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

46 / 56

A good password should be ____________

47 / 56

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

48 / 56

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

49 / 56

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

50 / 56

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

51 / 56

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

52 / 56

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

53 / 56

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

54 / 56

The main purpose to convert plaintext to ciphertext is __________

55 / 56

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

56 / 56

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

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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

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

2 / 67

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

3 / 67

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

4 / 67

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

5 / 67

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

6 / 67

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

7 / 67

____________ Tag is used to create ordered list.

8 / 67

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

9 / 67

__________is used to specify the URL if linked webpage.

10 / 67

__________ tag is used to display data in tabular form.

11 / 67

HTML stand for ________________

12 / 67

A website consists of many _____________

13 / 67

HTML is a computer language which is used to create a____________

14 / 67

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

15 / 67

An individual list item can contain another entire list called____________

16 / 67

An HTML element usually consist of a __________ tag

17 / 67

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

18 / 67

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

19 / 67

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

20 / 67

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

21 / 67

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

22 / 67

Which are the types of List used in HTML.

23 / 67

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

24 / 67

In a webpage images are added with the _________ Tag

25 / 67

___________ tag is used for inserting a line break.

26 / 67

________ make a cell span more than one row.

27 / 67

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

28 / 67

In __________ keeps each list item with an ordered number.

29 / 67

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

30 / 67

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

31 / 67

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

32 / 67

Webpages can be created and modified by using ____________

33 / 67

a hyperlink can be applied to _______________

34 / 67

In HTML, images are defined with the ____________ tag.

35 / 67

____________Tag is used to create a hyperlink.

36 / 67

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

37 / 67

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

38 / 67

___________ tag makes the enclosed text bold.

39 / 67

There are _____________ of headings in HTML documents

40 / 67

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

41 / 67

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

42 / 67

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

43 / 67

Some tags have not startup and End Tags these are called__________

44 / 67

The head element is a container for ____________

45 / 67

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

46 / 67

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

47 / 67

There are ____________ of Tags used in HTML

48 / 67

________ Tag is used to create unordered list

49 / 67

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

50 / 67

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

51 / 67

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

52 / 67

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

53 / 67

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

54 / 67

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

55 / 67

In HTML, Table is defined by __________ Tag

56 / 67

HTML is not _______________ language

57 / 67

In ____________ the ordered of the list is not important.

58 / 67

The purpose of hyperlink is that by clicking on this _____________

59 / 67

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

60 / 67

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

61 / 67

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

62 / 67

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

63 / 67

An HTML documents primarily consist of Sections, which are__________

64 / 67

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

65 / 67

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

66 / 67

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

67 / 67

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

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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

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

2 / 70

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

3 / 70

Commonly used number systems are ______________

4 / 70

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

5 / 70

A number system is the system of representation of ____________

6 / 70

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

7 / 70

“BO93A5” is an example of ______________

8 / 70

_____________ may also be written as “P + Q”

9 / 70

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

10 / 70

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

11 / 70

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

12 / 70

ASCII Codes are represented in Computer Memory after __________

13 / 70

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

14 / 70

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

15 / 70

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

16 / 70

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

17 / 70

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

18 / 70

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

19 / 70

Which Unit size of memory is smallest in computer memory?

20 / 70

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

21 / 70

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

22 / 70

Hardware used for Storage devices may be _____________

23 / 70

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

24 / 70

ASCII stands for ________________

25 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

26 / 70

“236598” is an example of _____________

27 / 70

Which Unit size of memory is smallest in computer memory?

28 / 70

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

29 / 70

External Devises are just plug and play, it means________

30 / 70

Best example of _____________ is Random Access Memory (RAM)

31 / 70

Hexadecimal system has total _____ numbers.

32 / 70

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

33 / 70

Data to a processor is provided through______________

11 characters left

34 / 70

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

35 / 70

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

36 / 70

_____________ is any physical device which used for storing data.

37 / 70

All Digital devices / Computers store data in _____________

38 / 70

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

39 / 70

Which is/ are the characteristic of volatile memory devices?

40 / 70

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

41 / 70

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

42 / 70

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

43 / 70

“1001001” is an example of _____________

44 / 70

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

45 / 70

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

46 / 70

“It is Cold outside” is a ____________

47 / 70

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

48 / 70

__________ may also be written as “P . Q”

49 / 70

______________help us to simplify complex Boolean Expression.

50 / 70

Permanent memory is also called __________

51 / 70

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

52 / 70

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

53 / 70

___________ may also be written as  ﬧP

54 / 70

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

55 / 70

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

56 / 70

This is not a characteristic of Secondary storage devices_____________

57 / 70

Temporary Memory is also called __________

58 / 70

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

59 / 70

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

60 / 70

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

61 / 70

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

62 / 70

Compound proposition is true only if ________________

63 / 70

Which Unit size of memory is biggest in computer memory?

64 / 70

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

65 / 70

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

66 / 70

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

67 / 70

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

68 / 70

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

69 / 70

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

70 / 70

The main types of Computer Memory is/ are ______________

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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