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

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

2 / 53

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

3 / 53

A well-defined problem is one that _____________

4 / 53

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

5 / 53

Efficiency of algorithm can be measured by _____________

6 / 53

Trace table is in form of _________________

7 / 53

A set of Steps to Solve a problem is called____________

8 / 53

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

9 / 53

Which One is not used in flowchart?

10 / 53

Logical Error means the solution is ________________

11 / 53

There can be _________ algorithm to solve a single problem.

12 / 53

best statement for a problem: _______________

13 / 53

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

14 / 53

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

15 / 53

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

16 / 53

In flowchart, taking data from users is called ______________

17 / 53

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

18 / 53

In Algorithm ___________ keywords are used for check the condition.

19 / 53

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

20 / 53

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

21 / 53

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

22 / 53

Usually a computer programmer can use these steps _________

23 / 53

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

24 / 53

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

25 / 53

Invalid test Data is type of test data that _____________

26 / 53

Testing an algorithm using invalid data ensure that _______________

27 / 53

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

28 / 53

Designer/ Programmer have option to take these steps____________

29 / 53

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

30 / 53

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

31 / 53

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

32 / 53

Trace Table is a technique used to test algorithm as ____________________

33 / 53

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

34 / 53

A clear understanding of a problem ____________

35 / 53

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

36 / 53

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

37 / 53

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

38 / 53

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

39 / 53

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

40 / 53

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

41 / 53

Which is the disadvantage of algorithm?

42 / 53

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

43 / 53

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

44 / 53

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

45 / 53

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

46 / 53

The Solution is verified means; it is _______________

47 / 53

“Planning a solution” includes following sub steps______________

48 / 53

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

49 / 53

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

50 / 53

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

51 / 53

Which is not an Importance & Benefits of a flowchart?

52 / 53

Which is not an advantage of flowchart?

53 / 53

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

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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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1 / 70

Best example of _____________ is Random Access Memory (RAM)

2 / 70

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

3 / 70

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

4 / 70

All Digital devices / Computers store data in _____________

5 / 70

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

6 / 70

Hexadecimal system has total _____ numbers.

7 / 70

_____________ may also be written as “P + Q”

8 / 70

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

9 / 70

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

10 / 70

The main types of Computer Memory is/ are ______________

11 / 70

A number system is the system of representation of ____________

12 / 70

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

13 / 70

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

14 / 70

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

15 / 70

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

16 / 70

“It is Cold outside” is a ____________

17 / 70

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

18 / 70

Which Unit size of memory is smallest in computer memory?

19 / 70

ASCII stands for ________________

20 / 70

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

21 / 70

Commonly used number systems are ______________

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

23 / 70

__________ may also be written as “P . Q”

24 / 70

“236598” is an example of _____________

25 / 70

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

26 / 70

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

27 / 70

“1001001” is an example of _____________

28 / 70

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

29 / 70

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

30 / 70

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

31 / 70

Which is/ are the characteristic of volatile memory devices?

32 / 70

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

33 / 70

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

34 / 70

___________ may also be written as  ﬧP

35 / 70

Compound proposition is true only if ________________

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

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This is not a characteristic of Secondary storage devices_____________

38 / 70

Data to a processor is provided through______________

11 characters left

39 / 70

ASCII Codes are represented in Computer Memory after __________

40 / 70

Temporary Memory is also called __________

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

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

43 / 70

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

44 / 70

Which Unit size of memory is biggest in computer memory?

45 / 70

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

46 / 70

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

47 / 70

Hardware used for Storage devices may be _____________

48 / 70

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

49 / 70

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

50 / 70

“BO93A5” is an example of ______________

51 / 70

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

52 / 70

_____________ is any physical device which used for storing data.

53 / 70

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

54 / 70

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

55 / 70

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

56 / 70

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

57 / 70

External Devises are just plug and play, it means________

58 / 70

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

59 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

60 / 70

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

61 / 70

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

62 / 70

______________help us to simplify complex Boolean Expression.

63 / 70

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

64 / 70

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

65 / 70

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

66 / 70

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

67 / 70

Which Unit size of memory is smallest in computer memory?

68 / 70

Permanent memory is also called __________

69 / 70

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

70 / 70

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

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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