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

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

2 / 53

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

3 / 53

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

4 / 53

A set of Steps to Solve a problem is called____________

5 / 53

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

6 / 53

Efficiency of algorithm can be measured by _____________

7 / 53

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

8 / 53

Trace table is in form of _________________

9 / 53

best statement for a problem: _______________

10 / 53

There can be _________ algorithm to solve a single problem.

11 / 53

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

12 / 53

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

13 / 53

“Planning a solution” includes following sub steps______________

14 / 53

Invalid test Data is type of test data that _____________

15 / 53

Which is the disadvantage of algorithm?

16 / 53

A well-defined problem is one that _____________

17 / 53

In flowchart, taking data from users is called ______________

18 / 53

The Solution is verified means; it is _______________

19 / 53

A clear understanding of a problem ____________

20 / 53

Which is not an Importance & Benefits of a flowchart?

21 / 53

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

22 / 53

Which is not an advantage of flowchart?

23 / 53

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

24 / 53

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

25 / 53

Logical Error means the solution is ________________

26 / 53

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

27 / 53

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

28 / 53

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

29 / 53

Usually a computer programmer can use these steps _________

30 / 53

Which One is not used in flowchart?

31 / 53

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

32 / 53

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

33 / 53

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

34 / 53

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

35 / 53

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

36 / 53

Designer/ Programmer have option to take these steps____________

37 / 53

In Algorithm ___________ keywords are used for check the condition.

38 / 53

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

39 / 53

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

40 / 53

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

41 / 53

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

42 / 53

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

43 / 53

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

44 / 53

Trace Table is a technique used to test algorithm as ____________________

45 / 53

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

46 / 53

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

47 / 53

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

48 / 53

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

49 / 53

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

50 / 53

Testing an algorithm using invalid data ensure that _______________

51 / 53

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

52 / 53

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

53 / 53

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

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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

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

2 / 56

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

3 / 56

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

4 / 56

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

5 / 56

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

6 / 56

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

7 / 56

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

8 / 56

Which is not a good characteristic of a good password?

9 / 56

Which would be an example of phishing Email by Hackers?

10 / 56

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

11 / 56

Which of the following in not a cybercrime?

12 / 56

A computer virus is a computer program written _____________

13 / 56

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

14 / 56

One of them is not a data security issue ___________

15 / 56

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

16 / 56

Patent is a way to protect ____________

17 / 56

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

18 / 56

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

19 / 56

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

20 / 56

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

21 / 56

Which one is not a fraud & misuse of data?

22 / 56

___________ is the process of encoding data.

23 / 56

Protecting data from malicious users is called ________________

24 / 56

Illegally accessing someone’s else computer is called _____________

25 / 56

A good password should be ____________

26 / 56

Phishing Emails are showing as __________________

27 / 56

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

28 / 56

A crime in which __________________ are used is called cybercrime.

29 / 56

Piracy means making _____________ of copywrite data.

30 / 56

Substitution cipher method are methods of encryption in which ______________

31 / 56

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

32 / 56

The main purpose to convert plaintext to ciphertext is __________

33 / 56

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

34 / 56

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

35 / 56

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

36 / 56

Which one is not a software piracy?

37 / 56

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

38 / 56

Integrity means that you want to keep your data ____________

39 / 56

Using Cookies companies are able to gather ________________

40 / 56

Which of these is main aspect to secure our data?

41 / 56

This is the Importance of encrypting a data _________

42 / 56

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

43 / 56

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

44 / 56

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

45 / 56

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

46 / 56

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

47 / 56

Which of the following is not characteristics of phishing website?

48 / 56

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

49 / 56

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

50 / 56

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

51 / 56

Copywrite of software means that ______________

52 / 56

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

53 / 56

Making illegal copies of software is called ____________

54 / 56

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

55 / 56

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

56 / 56

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

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MCQs Chap # 04 Computer Science 9th  (Open/ Download)

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We know, the importance of Computer science  study in every class is most important for students, including for students of 9th Class & 10th Class or other classes. If we talk Matric Classes Student of Science Classes or Arts classes, Computer Science is equally important for both Classes. Every Student of 9th & 10th Class is trying to search the topic like “9th Class Computer Notes pdf”, 10th Class Computer Science Notes PDF”, 9th Class Computer MCQs Chapter-04, 9th Class Computer Notes Chapter-04 New Syllabus, Class 9 Computer MCQs Chapter-04 New Syllabus, 9th Class computer Short Questions Chapter 04, 9th Class Computer Long Questions Chapter 04, 9th Class Computer Conceptual Questions Chapter 04 .

Class 9 Computer Science Chapter-Wise MCQs

 

 

9th Class Computer Notes Chapter-05

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Designing Website:

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9th Class Computer Notes Chapter-05:

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Computer Ch#05, 09th Class

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1 / 67

___________ tag is used for inserting a line break.

2 / 67

__________is used to specify the URL if linked webpage.

3 / 67

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

4 / 67

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

5 / 67

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

6 / 67

In ____________ the ordered of the list is not important.

7 / 67

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

8 / 67

___________ tag makes the enclosed text bold.

9 / 67

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

10 / 67

In a webpage images are added with the _________ Tag

11 / 67

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

12 / 67

The head element is a container for ____________

13 / 67

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

14 / 67

Which are the types of List used in HTML.

15 / 67

In __________ keeps each list item with an ordered number.

16 / 67

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

17 / 67

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

18 / 67

HTML stand for ________________

19 / 67

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

20 / 67

a hyperlink can be applied to _______________

21 / 67

In HTML, Table is defined by __________ Tag

22 / 67

An HTML element usually consist of a __________ tag

23 / 67

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

24 / 67

In HTML, images are defined with the ____________ tag.

25 / 67

A website consists of many _____________

26 / 67

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

27 / 67

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

28 / 67

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

29 / 67

________ Tag is used to create unordered list

30 / 67

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

31 / 67

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

32 / 67

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

33 / 67

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

34 / 67

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

35 / 67

Webpages can be created and modified by using ____________

36 / 67

An individual list item can contain another entire list called____________

37 / 67

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

38 / 67

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

39 / 67

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

40 / 67

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

41 / 67

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

42 / 67

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

43 / 67

There are ____________ of Tags used in HTML

44 / 67

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

45 / 67

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

46 / 67

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

47 / 67

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

48 / 67

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

49 / 67

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

50 / 67

HTML is a computer language which is used to create a____________

51 / 67

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

52 / 67

Some tags have not startup and End Tags these are called__________

53 / 67

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

54 / 67

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

55 / 67

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

56 / 67

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

57 / 67

HTML is not _______________ language

58 / 67

The purpose of hyperlink is that by clicking on this _____________

59 / 67

An HTML documents primarily consist of Sections, which are__________

60 / 67

____________Tag is used to create a hyperlink.

61 / 67

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

62 / 67

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

63 / 67

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

64 / 67

There are _____________ of headings in HTML documents

65 / 67

__________ tag is used to display data in tabular form.

66 / 67

____________ Tag is used to create ordered list.

67 / 67

________ make a cell span more than one row.

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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

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

2 / 70

“BO93A5” is an example of ______________

3 / 70

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

4 / 70

“It is Cold outside” is a ____________

5 / 70

Hexadecimal system has total _____ numbers.

6 / 70

The main types of Computer Memory is/ are ______________

7 / 70

External Devises are just plug and play, it means________

8 / 70

Which is/ are the characteristic of volatile memory devices?

9 / 70

Permanent memory is also called __________

10 / 70

Data to a processor is provided through______________

11 characters left

11 / 70

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

12 / 70

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

13 / 70

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

14 / 70

ASCII Codes are represented in Computer Memory after __________

15 / 70

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

16 / 70

Temporary Memory is also called __________

17 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

18 / 70

Hardware used for Storage devices may be _____________

19 / 70

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

20 / 70

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

21 / 70

Best example of _____________ is Random Access Memory (RAM)

22 / 70

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

23 / 70

Commonly used number systems are ______________

24 / 70

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

25 / 70

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

26 / 70

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

27 / 70

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

28 / 70

_____________ is any physical device which used for storing data.

29 / 70

___________ may also be written as  ﬧP

30 / 70

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

31 / 70

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

32 / 70

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

33 / 70

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

34 / 70

__________ may also be written as “P . Q”

35 / 70

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

36 / 70

This is not a characteristic of Secondary storage devices_____________

37 / 70

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

38 / 70

Compound proposition is true only if ________________

39 / 70

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

40 / 70

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

41 / 70

A number system is the system of representation of ____________

42 / 70

“236598” is an example of _____________

43 / 70

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

44 / 70

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

45 / 70

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

46 / 70

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

47 / 70

______________help us to simplify complex Boolean Expression.

48 / 70

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

49 / 70

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

50 / 70

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

51 / 70

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

52 / 70

All Digital devices / Computers store data in _____________

53 / 70

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

54 / 70

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

55 / 70

Which Unit size of memory is smallest in computer memory?

56 / 70

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

57 / 70

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

58 / 70

Which Unit size of memory is smallest in computer memory?

59 / 70

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

60 / 70

“1001001” is an example of _____________

61 / 70

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

62 / 70

ASCII stands for ________________

63 / 70

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

64 / 70

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

65 / 70

_____________ may also be written as “P + Q”

66 / 70

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

67 / 70

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

68 / 70

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

69 / 70

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

70 / 70

Which Unit size of memory is biggest in computer memory?

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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