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

A well-defined problem is one that _____________

2 / 53

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

3 / 53

A set of Steps to Solve a problem is called____________

4 / 53

Trace Table is a technique used to test algorithm as ____________________

5 / 53

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

6 / 53

Logical Error means the solution is ________________

7 / 53

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

8 / 53

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

9 / 53

Which is not an advantage of flowchart?

10 / 53

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

11 / 53

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

12 / 53

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

13 / 53

“Planning a solution” includes following sub steps______________

14 / 53

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

15 / 53

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

16 / 53

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

17 / 53

The Solution is verified means; it is _______________

18 / 53

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

19 / 53

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

20 / 53

Usually a computer programmer can use these steps _________

21 / 53

Testing an algorithm using invalid data ensure that _______________

22 / 53

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

23 / 53

Designer/ Programmer have option to take these steps____________

24 / 53

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

25 / 53

In Algorithm ___________ keywords are used for check the condition.

26 / 53

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

27 / 53

best statement for a problem: _______________

28 / 53

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

29 / 53

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

30 / 53

A clear understanding of a problem ____________

31 / 53

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

32 / 53

Invalid test Data is type of test data that _____________

33 / 53

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

34 / 53

Which is not an Importance & Benefits of a flowchart?

35 / 53

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

36 / 53

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

37 / 53

In flowchart, taking data from users is called ______________

38 / 53

There can be _________ algorithm to solve a single problem.

39 / 53

Which One is not used in flowchart?

40 / 53

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

41 / 53

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

42 / 53

Which is the disadvantage of algorithm?

43 / 53

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

44 / 53

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

45 / 53

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

46 / 53

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

47 / 53

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

48 / 53

Trace table is in form of _________________

49 / 53

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

50 / 53

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

51 / 53

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

52 / 53

Efficiency of algorithm can be measured by _____________

53 / 53

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

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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

Here MCQs for your Revision

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Welcome

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1 / 70

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

2 / 70

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

3 / 70

The main types of Computer Memory is/ are ______________

4 / 70

“It is Cold outside” is a ____________

5 / 70

Which Unit size of memory is smallest in computer memory?

6 / 70

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

7 / 70

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

8 / 70

ASCII stands for ________________

9 / 70

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

10 / 70

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

11 / 70

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

12 / 70

_____________ is any physical device which used for storing data.

13 / 70

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

14 / 70

Which is/ are the characteristic of volatile memory devices?

15 / 70

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

16 / 70

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

17 / 70

“BO93A5” is an example of ______________

18 / 70

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

19 / 70

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

20 / 70

“236598” is an example of _____________

21 / 70

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

22 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

23 / 70

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

24 / 70

Commonly used number systems are ______________

25 / 70

External Devises are just plug and play, it means________

26 / 70

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

27 / 70

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

28 / 70

Compound proposition is true only if ________________

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__________ may also be written as “P . Q”

30 / 70

Best example of _____________ is Random Access Memory (RAM)

31 / 70

All Digital devices / Computers store data in _____________

32 / 70

Which Unit size of memory is smallest in computer memory?

33 / 70

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

34 / 70

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

35 / 70

“1001001” is an example of _____________

36 / 70

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

37 / 70

___________ may also be written as  ﬧP

38 / 70

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

39 / 70

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

40 / 70

_____________ may also be written as “P + Q”

41 / 70

Permanent memory is also called __________

42 / 70

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

43 / 70

Hexadecimal system has total _____ numbers.

44 / 70

Which Unit size of memory is biggest in computer memory?

45 / 70

Temporary Memory is also called __________

46 / 70

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

47 / 70

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

48 / 70

A number system is the system of representation of ____________

49 / 70

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

50 / 70

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

51 / 70

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

52 / 70

Hardware used for Storage devices may be _____________

53 / 70

ASCII Codes are represented in Computer Memory after __________

54 / 70

Data to a processor is provided through______________

11 characters left

55 / 70

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

56 / 70

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

57 / 70

______________help us to simplify complex Boolean Expression.

58 / 70

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

59 / 70

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

60 / 70

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

61 / 70

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

62 / 70

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

63 / 70

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

64 / 70

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

65 / 70

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

66 / 70

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

67 / 70

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

68 / 70

This is not a characteristic of Secondary storage devices_____________

69 / 70

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

70 / 70

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

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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