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

Logical Error means the solution is ________________

2 / 53

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

3 / 53

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

4 / 53

best statement for a problem: _______________

5 / 53

A well-defined problem is one that _____________

6 / 53

Invalid test Data is type of test data that _____________

7 / 53

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

8 / 53

The Solution is verified means; it is _______________

9 / 53

Trace Table is a technique used to test algorithm as ____________________

10 / 53

Which is the disadvantage of algorithm?

11 / 53

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

12 / 53

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

13 / 53

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

14 / 53

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

15 / 53

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

16 / 53

Efficiency of algorithm can be measured by _____________

17 / 53

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

18 / 53

Testing an algorithm using invalid data ensure that _______________

19 / 53

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

20 / 53

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

21 / 53

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

22 / 53

Designer/ Programmer have option to take these steps____________

23 / 53

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

24 / 53

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

25 / 53

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

26 / 53

A clear understanding of a problem ____________

27 / 53

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

28 / 53

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

29 / 53

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

30 / 53

A set of Steps to Solve a problem is called____________

31 / 53

There can be _________ algorithm to solve a single problem.

32 / 53

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

33 / 53

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

34 / 53

In flowchart, taking data from users is called ______________

35 / 53

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

36 / 53

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

37 / 53

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

38 / 53

Trace table is in form of _________________

39 / 53

Usually a computer programmer can use these steps _________

40 / 53

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

41 / 53

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

42 / 53

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

43 / 53

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

44 / 53

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

45 / 53

Which is not an advantage of flowchart?

46 / 53

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

47 / 53

“Planning a solution” includes following sub steps______________

48 / 53

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

49 / 53

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

50 / 53

Which is not an Importance & Benefits of a flowchart?

51 / 53

Which One is not used in flowchart?

52 / 53

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

53 / 53

In Algorithm ___________ keywords are used for check the condition.

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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

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

2 / 56

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

3 / 56

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

4 / 56

Piracy means making _____________ of copywrite data.

5 / 56

A good password should be ____________

6 / 56

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

7 / 56

___________ is the process of encoding data.

8 / 56

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

9 / 56

Integrity means that you want to keep your data ____________

10 / 56

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

11 / 56

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

12 / 56

One of them is not a data security issue ___________

13 / 56

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

14 / 56

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

15 / 56

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

16 / 56

Which would be an example of phishing Email by Hackers?

17 / 56

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

18 / 56

A computer virus is a computer program written _____________

19 / 56

Protecting data from malicious users is called ________________

20 / 56

Which of the following is not characteristics of phishing website?

21 / 56

The main purpose to convert plaintext to ciphertext is __________

22 / 56

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

23 / 56

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

24 / 56

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

25 / 56

Which one is not a software piracy?

26 / 56

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

27 / 56

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

28 / 56

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

29 / 56

Copywrite of software means that ______________

30 / 56

Substitution cipher method are methods of encryption in which ______________

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

33 / 56

A crime in which __________________ are used is called cybercrime.

34 / 56

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

35 / 56

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

36 / 56

Which is not a good characteristic of a good password?

37 / 56

Illegally accessing someone’s else computer is called _____________

38 / 56

Making illegal copies of software is called ____________

39 / 56

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

40 / 56

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

41 / 56

Phishing Emails are showing as __________________

42 / 56

Which of the following in not a cybercrime?

43 / 56

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

44 / 56

Using Cookies companies are able to gather ________________

45 / 56

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

46 / 56

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

47 / 56

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

48 / 56

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

49 / 56

Which one is not a fraud & misuse of data?

50 / 56

This is the Importance of encrypting a data _________

51 / 56

Patent is a way to protect ____________

52 / 56

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

53 / 56

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

54 / 56

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

55 / 56

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

56 / 56

Which of these is main aspect to secure our data?

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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

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

2 / 67

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

3 / 67

A website consists of many _____________

4 / 67

________ make a cell span more than one row.

5 / 67

HTML is not _______________ language

6 / 67

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

7 / 67

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

8 / 67

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

9 / 67

__________ tag is used to display data in tabular form.

10 / 67

___________ tag makes the enclosed text bold.

11 / 67

There are _____________ of headings in HTML documents

12 / 67

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

13 / 67

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

14 / 67

An HTML element usually consist of a __________ tag

15 / 67

The purpose of hyperlink is that by clicking on this _____________

16 / 67

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

17 / 67

________ Tag is used to create unordered list

18 / 67

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

19 / 67

In HTML, images are defined with the ____________ tag.

20 / 67

There are ____________ of Tags used in HTML

21 / 67

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

22 / 67

____________Tag is used to create a hyperlink.

23 / 67

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

24 / 67

Which are the types of List used in HTML.

25 / 67

__________is used to specify the URL if linked webpage.

26 / 67

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

27 / 67

HTML is a computer language which is used to create a____________

28 / 67

In ____________ the ordered of the list is not important.

29 / 67

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

30 / 67

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

31 / 67

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

32 / 67

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

33 / 67

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

34 / 67

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

35 / 67

In a webpage images are added with the _________ Tag

36 / 67

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

37 / 67

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

38 / 67

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

39 / 67

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

40 / 67

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

41 / 67

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

42 / 67

a hyperlink can be applied to _______________

43 / 67

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

44 / 67

Webpages can be created and modified by using ____________

45 / 67

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

46 / 67

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

47 / 67

An individual list item can contain another entire list called____________

48 / 67

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

49 / 67

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

50 / 67

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

51 / 67

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

52 / 67

An HTML documents primarily consist of Sections, which are__________

53 / 67

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

54 / 67

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

55 / 67

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

56 / 67

____________ Tag is used to create ordered list.

57 / 67

In __________ keeps each list item with an ordered number.

58 / 67

HTML stand for ________________

59 / 67

In HTML, Table is defined by __________ Tag

60 / 67

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

61 / 67

Some tags have not startup and End Tags these are called__________

62 / 67

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

63 / 67

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

64 / 67

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

65 / 67

The head element is a container for ____________

66 / 67

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

67 / 67

___________ tag is used for inserting a line break.

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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

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

2 / 70

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

3 / 70

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

4 / 70

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

5 / 70

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

6 / 70

Permanent memory is also called __________

7 / 70

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

8 / 70

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

9 / 70

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

10 / 70

A number system is the system of representation of ____________

11 / 70

External Devises are just plug and play, it means________

12 / 70

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

13 / 70

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

14 / 70

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

15 / 70

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

16 / 70

ASCII stands for ________________

17 / 70

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

18 / 70

Which Unit size of memory is biggest in computer memory?

19 / 70

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

20 / 70

Which is/ are the characteristic of volatile memory devices?

21 / 70

Data to a processor is provided through______________

11 characters left

22 / 70

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

23 / 70

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

24 / 70

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

25 / 70

Temporary Memory is also called __________

26 / 70

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

27 / 70

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

28 / 70

Which Unit size of memory is smallest in computer memory?

29 / 70

Compound proposition is true only if ________________

30 / 70

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

31 / 70

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

32 / 70

This is not a characteristic of Secondary storage devices_____________

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 16 and it use 16-digits (0to 9, A, B, C, D, E, F) is called _______

35 / 70

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

36 / 70

_____________ may also be written as “P + Q”

37 / 70

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

38 / 70

“BO93A5” is an example of ______________

39 / 70

_____________ is any physical device which used for storing data.

40 / 70

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

41 / 70

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

42 / 70

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

43 / 70

______________help us to simplify complex Boolean Expression.

44 / 70

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

45 / 70

__________ may also be written as “P . Q”

46 / 70

Hexadecimal system has total _____ numbers.

47 / 70

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

48 / 70

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

49 / 70

Hardware used for Storage devices may be _____________

50 / 70

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

51 / 70

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

52 / 70

Commonly used number systems are ______________

53 / 70

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

54 / 70

___________ may also be written as  ﬧP

55 / 70

ASCII Codes are represented in Computer Memory after __________

56 / 70

“1001001” is an example of _____________

57 / 70

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

58 / 70

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

59 / 70

Best example of _____________ is Random Access Memory (RAM)

60 / 70

The main types of Computer Memory is/ are ______________

61 / 70

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

62 / 70

All Digital devices / Computers store data in _____________

63 / 70

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

64 / 70

Which Unit size of memory is smallest in computer memory?

65 / 70

“It is Cold outside” is a ____________

66 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

67 / 70

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

68 / 70

“236598” is an example of _____________

69 / 70

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

70 / 70

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

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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