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

Invalid test Data is type of test data that _____________

2 / 53

The Solution is verified means; it is _______________

3 / 53

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

4 / 53

Trace table is in form of _________________

5 / 53

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

6 / 53

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

7 / 53

A set of Steps to Solve a problem is called____________

8 / 53

In Algorithm ___________ keywords are used for check the condition.

9 / 53

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

10 / 53

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

11 / 53

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

12 / 53

Which One is not used in flowchart?

13 / 53

Trace Table is a technique used to test algorithm as ____________________

14 / 53

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

15 / 53

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

16 / 53

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

17 / 53

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

18 / 53

Designer/ Programmer have option to take these steps____________

19 / 53

best statement for a problem: _______________

20 / 53

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

21 / 53

“Planning a solution” includes following sub steps______________

22 / 53

Which is the disadvantage of algorithm?

23 / 53

Testing an algorithm using invalid data ensure that _______________

24 / 53

Which is not an advantage of flowchart?

25 / 53

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

26 / 53

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

27 / 53

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

28 / 53

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

29 / 53

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

30 / 53

In flowchart, taking data from users is called ______________

31 / 53

A clear understanding of a problem ____________

32 / 53

There can be _________ algorithm to solve a single problem.

33 / 53

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

34 / 53

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

35 / 53

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

36 / 53

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

37 / 53

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

38 / 53

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

39 / 53

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

40 / 53

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

41 / 53

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

42 / 53

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

43 / 53

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

44 / 53

Efficiency of algorithm can be measured by _____________

45 / 53

Usually a computer programmer can use these steps _________

46 / 53

A well-defined problem is one that _____________

47 / 53

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

48 / 53

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

49 / 53

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

50 / 53

Logical Error means the solution is ________________

51 / 53

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

52 / 53

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

53 / 53

Which is not an Importance & Benefits of a flowchart?

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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

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

2 / 56

Piracy means making _____________ of copywrite data.

3 / 56

Which would be an example of phishing Email by Hackers?

4 / 56

Substitution cipher method are methods of encryption in which ______________

5 / 56

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

6 / 56

Which is not a good characteristic of a good password?

7 / 56

Which of these is main aspect to secure our data?

8 / 56

Which of the following in not a cybercrime?

9 / 56

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

10 / 56

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

11 / 56

One of them is not a data security issue ___________

12 / 56

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

13 / 56

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

14 / 56

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

15 / 56

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

16 / 56

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

17 / 56

A computer virus is a computer program written _____________

18 / 56

Phishing Emails are showing as __________________

19 / 56

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

20 / 56

A crime in which __________________ are used is called cybercrime.

21 / 56

Which one is not a fraud & misuse of data?

22 / 56

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

23 / 56

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

24 / 56

This is the Importance of encrypting a data _________

25 / 56

The main purpose to convert plaintext to ciphertext is __________

26 / 56

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

27 / 56

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

28 / 56

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

29 / 56

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

30 / 56

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

31 / 56

Using Cookies companies are able to gather ________________

32 / 56

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

33 / 56

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

34 / 56

___________ is the process of encoding data.

35 / 56

Making illegal copies of software is called ____________

36 / 56

Which one is not a software piracy?

37 / 56

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

38 / 56

Integrity means that you want to keep your data ____________

39 / 56

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

40 / 56

Illegally accessing someone’s else computer is called _____________

41 / 56

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

42 / 56

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

43 / 56

A good password should be ____________

44 / 56

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

45 / 56

Which of the following is not characteristics of phishing website?

46 / 56

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

47 / 56

Copywrite of software means that ______________

48 / 56

Patent is a way to protect ____________

49 / 56

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

50 / 56

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

51 / 56

Protecting data from malicious users is called ________________

52 / 56

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

53 / 56

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

54 / 56

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

55 / 56

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

56 / 56

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

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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

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

2 / 67

________ Tag is used to create unordered list

3 / 67

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

4 / 67

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

5 / 67

There are _____________ of headings in HTML documents

6 / 67

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

7 / 67

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

8 / 67

In HTML, images are defined with the ____________ tag.

9 / 67

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

10 / 67

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

11 / 67

________ make a cell span more than one row.

12 / 67

In __________ keeps each list item with an ordered number.

13 / 67

HTML stand for ________________

14 / 67

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

15 / 67

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

16 / 67

There are ____________ of Tags used in HTML

17 / 67

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

18 / 67

Some tags have not startup and End Tags these are called__________

19 / 67

a hyperlink can be applied to _______________

20 / 67

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

21 / 67

___________ tag makes the enclosed text bold.

22 / 67

An HTML documents primarily consist of Sections, which are__________

23 / 67

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

24 / 67

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

25 / 67

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

26 / 67

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

27 / 67

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

28 / 67

HTML is a computer language which is used to create a____________

29 / 67

An HTML element usually consist of a __________ tag

30 / 67

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

31 / 67

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

32 / 67

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

33 / 67

___________ tag is used for inserting a line break.

34 / 67

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

35 / 67

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

36 / 67

A website consists of many _____________

37 / 67

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

38 / 67

HTML is not _______________ language

39 / 67

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

40 / 67

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

41 / 67

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

42 / 67

Which are the types of List used in HTML.

43 / 67

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

44 / 67

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

45 / 67

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

46 / 67

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

47 / 67

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

48 / 67

____________Tag is used to create a hyperlink.

49 / 67

In HTML, Table is defined by __________ Tag

50 / 67

An individual list item can contain another entire list called____________

51 / 67

In ____________ the ordered of the list is not important.

52 / 67

The purpose of hyperlink is that by clicking on this _____________

53 / 67

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

54 / 67

__________ tag is used to display data in tabular form.

55 / 67

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

56 / 67

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

57 / 67

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

58 / 67

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

59 / 67

__________is used to specify the URL if linked webpage.

60 / 67

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

61 / 67

Webpages can be created and modified by using ____________

62 / 67

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

63 / 67

____________ Tag is used to create ordered list.

64 / 67

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

65 / 67

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

66 / 67

The head element is a container for ____________

67 / 67

In a webpage images are added with the _________ 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

Temporary Memory is also called __________

2 / 70

“It is Cold outside” is a ____________

3 / 70

Data to a processor is provided through______________

11 characters left

4 / 70

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

5 / 70

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

6 / 70

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

7 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

8 / 70

Which Unit size of memory is smallest in computer memory?

9 / 70

___________ may also be written as  ﬧP

10 / 70

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

11 / 70

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

12 / 70

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

13 / 70

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

14 / 70

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

15 / 70

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

16 / 70

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

17 / 70

Best example of _____________ is Random Access Memory (RAM)

18 / 70

ASCII stands for ________________

19 / 70

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

20 / 70

A number system is the system of representation of ____________

21 / 70

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

22 / 70

Hardware used for Storage devices may be _____________

23 / 70

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

24 / 70

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

25 / 70

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

26 / 70

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

27 / 70

Permanent memory is also called __________

28 / 70

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

29 / 70

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

30 / 70

This is not a characteristic of Secondary storage devices_____________

31 / 70

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

32 / 70

Which Unit size of memory is biggest in computer memory?

33 / 70

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

34 / 70

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

35 / 70

Hexadecimal system has total _____ numbers.

36 / 70

External Devises are just plug and play, it means________

37 / 70

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

38 / 70

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

39 / 70

ASCII Codes are represented in Computer Memory after __________

40 / 70

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

41 / 70

_____________ may also be written as “P + Q”

42 / 70

Commonly used number systems are ______________

43 / 70

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

44 / 70

Which Unit size of memory is smallest in computer memory?

45 / 70

Which is/ are the characteristic of volatile memory devices?

46 / 70

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

47 / 70

Compound proposition is true only if ________________

48 / 70

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

49 / 70

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

50 / 70

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

51 / 70

The main types of Computer Memory is/ are ______________

52 / 70

“BO93A5” is an example of ______________

53 / 70

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

54 / 70

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

55 / 70

_____________ is any physical device which used for storing data.

56 / 70

“1001001” is an example of _____________

57 / 70

All Digital devices / Computers store data in _____________

58 / 70

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

59 / 70

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

60 / 70

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

61 / 70

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

62 / 70

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

63 / 70

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

64 / 70

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

65 / 70

______________help us to simplify complex Boolean Expression.

66 / 70

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

67 / 70

__________ may also be written as “P . Q”

68 / 70

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

69 / 70

“236598” is an example of _____________

70 / 70

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

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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