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

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

2 / 53

There can be _________ algorithm to solve a single problem.

3 / 53

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

4 / 53

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

5 / 53

A clear understanding of a problem ____________

6 / 53

Designer/ Programmer have option to take these steps____________

7 / 53

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

8 / 53

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

9 / 53

Which is not an Importance & Benefits of a flowchart?

10 / 53

Efficiency of algorithm can be measured by _____________

11 / 53

Which is the disadvantage of algorithm?

12 / 53

Invalid test Data is type of test data that _____________

13 / 53

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

14 / 53

Usually a computer programmer can use these steps _________

15 / 53

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

16 / 53

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

17 / 53

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

18 / 53

Trace Table is a technique used to test algorithm as ____________________

19 / 53

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

20 / 53

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

21 / 53

Trace table is in form of _________________

22 / 53

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

23 / 53

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

24 / 53

Which One is not used in flowchart?

25 / 53

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

26 / 53

In Algorithm ___________ keywords are used for check the condition.

27 / 53

best statement for a problem: _______________

28 / 53

A set of Steps to Solve a problem is called____________

29 / 53

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

30 / 53

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

31 / 53

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

32 / 53

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

33 / 53

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

34 / 53

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

35 / 53

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

36 / 53

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

37 / 53

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

38 / 53

“Planning a solution” includes following sub steps______________

39 / 53

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

40 / 53

Which is not an advantage of flowchart?

41 / 53

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

42 / 53

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

43 / 53

In flowchart, taking data from users is called ______________

44 / 53

Testing an algorithm using invalid data ensure that _______________

45 / 53

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

46 / 53

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

47 / 53

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

48 / 53

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

49 / 53

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

50 / 53

The Solution is verified means; it is _______________

51 / 53

A well-defined problem is one that _____________

52 / 53

Logical Error means the solution is ________________

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.

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

Please provide information & fill-up this form

1 / 70

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

2 / 70

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

3 / 70

_____________ may also be written as “P + Q”

4 / 70

Best example of _____________ is Random Access Memory (RAM)

5 / 70

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

6 / 70

Temporary Memory is also called __________

7 / 70

ASCII Codes are represented in Computer Memory after __________

8 / 70

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

9 / 70

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

10 / 70

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

11 / 70

Which Unit size of memory is smallest in computer memory?

12 / 70

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

13 / 70

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

14 / 70

Which is/ are the characteristic of volatile memory devices?

15 / 70

This is not a characteristic of Secondary storage devices_____________

16 / 70

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

17 / 70

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

18 / 70

___________ may also be written as  ﬧP

19 / 70

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

20 / 70

Which Unit size of memory is smallest in computer memory?

21 / 70

Permanent memory is also called __________

22 / 70

Data to a processor is provided through______________

11 characters left

23 / 70

“236598” is an example of _____________

24 / 70

Hardware used for Storage devices may be _____________

25 / 70

The main types of Computer Memory is/ are ______________

26 / 70

A number system is the system of representation of ____________

27 / 70

ASCII stands for ________________

28 / 70

__________ may also be written as “P . Q”

29 / 70

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

30 / 70

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

31 / 70

“BO93A5” is an example of ______________

32 / 70

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

33 / 70

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

34 / 70

“1001001” is an example of _____________

35 / 70

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

36 / 70

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

37 / 70

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

38 / 70

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

39 / 70

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

40 / 70

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

41 / 70

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

42 / 70

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

43 / 70

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

44 / 70

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

45 / 70

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

46 / 70

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

47 / 70

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

48 / 70

______________help us to simplify complex Boolean Expression.

49 / 70

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

50 / 70

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

51 / 70

Hexadecimal system has total _____ numbers.

52 / 70

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

53 / 70

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

54 / 70

“It is Cold outside” is a ____________

55 / 70

Which Unit size of memory is biggest in computer memory?

56 / 70

Commonly used number systems are ______________

57 / 70

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

58 / 70

Compound proposition is true only if ________________

59 / 70

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

60 / 70

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

61 / 70

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

62 / 70

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

63 / 70

External Devises are just plug and play, it means________

64 / 70

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

65 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

66 / 70

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

67 / 70

All Digital devices / Computers store data in _____________

68 / 70

_____________ is any physical device which used for storing data.

69 / 70

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

70 / 70

All the characters on keyboard have an associated code which 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