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

2 / 53

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

3 / 53

A well-defined problem is one that _____________

4 / 53

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

5 / 53

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

6 / 53

There can be _________ algorithm to solve a single problem.

7 / 53

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

8 / 53

Which is not an Importance & Benefits of a flowchart?

9 / 53

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

10 / 53

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

11 / 53

The Solution is verified means; it is _______________

12 / 53

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

13 / 53

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

14 / 53

Designer/ Programmer have option to take these steps____________

15 / 53

Which is the disadvantage of algorithm?

16 / 53

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

17 / 53

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

18 / 53

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

19 / 53

Usually a computer programmer can use these steps _________

20 / 53

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

21 / 53

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

22 / 53

Efficiency of algorithm can be measured by _____________

23 / 53

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

24 / 53

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

25 / 53

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

26 / 53

best statement for a problem: _______________

27 / 53

Testing an algorithm using invalid data ensure that _______________

28 / 53

Which One is not used in flowchart?

29 / 53

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

30 / 53

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

31 / 53

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

32 / 53

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

33 / 53

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

34 / 53

Trace table is in form of _________________

35 / 53

In flowchart, taking data from users is called ______________

36 / 53

“Planning a solution” includes following sub steps______________

37 / 53

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

38 / 53

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

39 / 53

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

40 / 53

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

41 / 53

In Algorithm ___________ keywords are used for check the condition.

42 / 53

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

43 / 53

Invalid test Data is type of test data that _____________

44 / 53

Logical Error means the solution is ________________

45 / 53

Which is not an advantage of flowchart?

46 / 53

A set of Steps to Solve a problem is called____________

47 / 53

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

48 / 53

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

49 / 53

A clear understanding of a problem ____________

50 / 53

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

51 / 53

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

52 / 53

Trace Table is a technique used to test algorithm as ____________________

53 / 53

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

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

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

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

 

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

Class 9 Computer Science Chapter-Wise Notes

 

 

9th Class Computer Notes Chapter-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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Welcome

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1 / 70

All Digital devices / Computers store data in _____________

2 / 70

Which Unit size of memory is biggest in computer memory?

3 / 70

ASCII stands for ________________

4 / 70

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

5 / 70

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

6 / 70

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

7 / 70

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

8 / 70

This is not a characteristic of Secondary storage devices_____________

9 / 70

External Devises are just plug and play, it means________

10 / 70

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

11 / 70

__________ may also be written as “P . Q”

12 / 70

______________help us to simplify complex Boolean Expression.

13 / 70

“It is Cold outside” is a ____________

14 / 70

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

15 / 70

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

16 / 70

Commonly used number systems are ______________

17 / 70

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

18 / 70

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

19 / 70

The main types of Computer Memory is/ are ______________

20 / 70

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

21 / 70

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

22 / 70

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

23 / 70

Which Unit size of memory is smallest in computer memory?

24 / 70

Hardware used for Storage devices may be _____________

25 / 70

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

26 / 70

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

27 / 70

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

28 / 70

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

29 / 70

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

30 / 70

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

31 / 70

Best example of _____________ is Random Access Memory (RAM)

32 / 70

“236598” is an example of _____________

33 / 70

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

34 / 70

ASCII Codes are represented in Computer Memory after __________

35 / 70

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

36 / 70

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

37 / 70

Data to a processor is provided through______________

11 characters left

38 / 70

Hexadecimal system has total _____ numbers.

39 / 70

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

40 / 70

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

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“1001001” is an example of _____________

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

43 / 70

Permanent memory is also called __________

44 / 70

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

45 / 70

A number system is the system of representation of ____________

46 / 70

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

47 / 70

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

48 / 70

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

49 / 70

___________ may also be written as  ﬧP

50 / 70

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

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

_____________ may also be written as “P + Q”

53 / 70

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

54 / 70

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

55 / 70

Compound proposition is true only if ________________

56 / 70

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

57 / 70

Which is/ are the characteristic of volatile memory devices?

58 / 70

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

59 / 70

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

60 / 70

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

61 / 70

“BO93A5” is an example of ______________

62 / 70

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

63 / 70

Temporary Memory is also called __________

64 / 70

_____________ is any physical device which used for storing data.

65 / 70

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

66 / 70

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

67 / 70

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

68 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

69 / 70

Which Unit size of memory is smallest in computer memory?

70 / 70

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

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MCQs Chap # 02 – Computer Science 9th Class (Open/ Download)

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Short Question Answers Chap # 02 – Computer Science 9th Class (Open/ Download)

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Long Question Answers Chap # 02 – Computer Science 9th Class (Open/ Download)

 

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