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

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

2 / 53

Designer/ Programmer have option to take these steps____________

3 / 53

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

4 / 53

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

5 / 53

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

6 / 53

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

7 / 53

A set of Steps to Solve a problem is called____________

8 / 53

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

9 / 53

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

10 / 53

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

11 / 53

best statement for a problem: _______________

12 / 53

Usually a computer programmer can use these steps _________

13 / 53

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

14 / 53

A well-defined problem is one that _____________

15 / 53

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

16 / 53

Testing an algorithm using invalid data ensure that _______________

17 / 53

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

18 / 53

A clear understanding of a problem ____________

19 / 53

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

20 / 53

Which is not an advantage of flowchart?

21 / 53

Logical Error means the solution is ________________

22 / 53

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

23 / 53

“Planning a solution” includes following sub steps______________

24 / 53

The Solution is verified means; it is _______________

25 / 53

Which is the disadvantage of algorithm?

26 / 53

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

27 / 53

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

28 / 53

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

29 / 53

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

30 / 53

In flowchart, taking data from users is called ______________

31 / 53

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

32 / 53

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

33 / 53

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

34 / 53

Trace table is in form of _________________

35 / 53

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

36 / 53

Which is not an Importance & Benefits of a flowchart?

37 / 53

Which One is not used in flowchart?

38 / 53

There can be _________ algorithm to solve a single problem.

39 / 53

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

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

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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

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

44 / 53

Trace Table is a technique used to test algorithm as ____________________

45 / 53

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

46 / 53

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

47 / 53

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

48 / 53

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

49 / 53

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

50 / 53

Invalid test Data is type of test data that _____________

51 / 53

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

52 / 53

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

53 / 53

Efficiency of algorithm can be measured by _____________

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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

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

2 / 70

_____________ is any physical device which used for storing data.

3 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

4 / 70

A number system is the system of representation of ____________

5 / 70

Which Unit size of memory is biggest in computer memory?

6 / 70

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

7 / 70

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

8 / 70

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

9 / 70

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

10 / 70

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

11 / 70

Which Unit size of memory is smallest in computer memory?

12 / 70

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

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

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External Devises are just plug and play, it means________

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

16 / 70

Best example of _____________ is Random Access Memory (RAM)

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All Digital devices / Computers store data in _____________

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______________help us to simplify complex Boolean Expression.

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

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_____________ may also be written as “P + Q”

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Temporary Memory is also called __________

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

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ASCII Codes are represented in Computer Memory after __________

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Permanent memory is also called __________

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“BO93A5” is an example of ______________

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

27 / 70

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

28 / 70

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

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

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

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Hexadecimal system has total _____ numbers.

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

33 / 70

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

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

35 / 70

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

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Data to a processor is provided through______________

11 characters left

37 / 70

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

38 / 70

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

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“236598” is an example of _____________

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ASCII stands for ________________

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Compound proposition is true only if ________________

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“It is Cold outside” is a ____________

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

44 / 70

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

45 / 70

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

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

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This is not a characteristic of Secondary storage devices_____________

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

Which is/ are the characteristic of volatile memory devices?

51 / 70

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

52 / 70

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

53 / 70

Hardware used for Storage devices may be _____________

54 / 70

__________ may also be written as “P . Q”

55 / 70

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

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

57 / 70

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

58 / 70

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

59 / 70

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

60 / 70

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

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

62 / 70

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

63 / 70

“1001001” is an example of _____________

64 / 70

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

65 / 70

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

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

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The main types of Computer Memory is/ are ______________

68 / 70

Commonly used number systems are ______________

69 / 70

Which Unit size of memory is smallest in computer memory?

70 / 70

___________ may also be written as  ﬧP

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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