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

A well-defined problem is one that _____________

3 / 53

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

4 / 53

Logical Error means the solution is ________________

5 / 53

best statement for a problem: _______________

6 / 53

“Planning a solution” includes following sub steps______________

7 / 53

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

8 / 53

There can be _________ algorithm to solve a single problem.

9 / 53

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

10 / 53

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

11 / 53

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

12 / 53

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

13 / 53

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

14 / 53

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

15 / 53

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

16 / 53

In Algorithm ___________ keywords are used for check the condition.

17 / 53

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

18 / 53

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

19 / 53

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

20 / 53

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

21 / 53

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

22 / 53

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

23 / 53

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

24 / 53

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

25 / 53

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

26 / 53

Which One is not used in flowchart?

27 / 53

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

28 / 53

In flowchart, taking data from users is called ______________

29 / 53

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

30 / 53

Usually a computer programmer can use these steps _________

31 / 53

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

32 / 53

Trace Table is a technique used to test algorithm as ____________________

33 / 53

Testing an algorithm using invalid data ensure that _______________

34 / 53

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

35 / 53

A clear understanding of a problem ____________

36 / 53

Invalid test Data is type of test data that _____________

37 / 53

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

38 / 53

Efficiency of algorithm can be measured by _____________

39 / 53

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

40 / 53

Designer/ Programmer have option to take these steps____________

41 / 53

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

42 / 53

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

43 / 53

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

44 / 53

Which is the disadvantage of algorithm?

45 / 53

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

46 / 53

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

47 / 53

The Solution is verified means; it is _______________

48 / 53

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

49 / 53

Trace table is in form of _________________

50 / 53

Which is not an Importance & Benefits of a flowchart?

51 / 53

Which is not an advantage of flowchart?

52 / 53

A set of Steps to Solve a problem is called____________

53 / 53

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

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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

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

2 / 70

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

3 / 70

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

4 / 70

“It is Cold outside” is a ____________

5 / 70

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

6 / 70

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

7 / 70

_____________ is any physical device which used for storing data.

8 / 70

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

9 / 70

______________help us to simplify complex Boolean Expression.

10 / 70

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

11 / 70

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

12 / 70

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

13 / 70

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

14 / 70

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

15 / 70

_____________ may also be written as “P + Q”

16 / 70

Data to a processor is provided through______________

11 characters left

17 / 70

Commonly used number systems are ______________

18 / 70

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

19 / 70

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

20 / 70

“1001001” is an example of _____________

21 / 70

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

22 / 70

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

23 / 70

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

24 / 70

ASCII Codes are represented in Computer Memory after __________

25 / 70

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

26 / 70

This is not a characteristic of Secondary storage devices_____________

27 / 70

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

28 / 70

Hardware used for Storage devices may be _____________

29 / 70

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

30 / 70

Permanent memory is also called __________

31 / 70

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

32 / 70

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

33 / 70

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

34 / 70

All Digital devices / Computers store data in _____________

35 / 70

Temporary Memory is also called __________

36 / 70

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

37 / 70

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

38 / 70

Compound proposition is true only if ________________

39 / 70

“BO93A5” is an example of ______________

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The main types of Computer Memory is/ are ______________

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___________ may also be written as  ﬧP

42 / 70

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

43 / 70

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

44 / 70

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

45 / 70

Which Unit size of memory is smallest in computer memory?

46 / 70

Which Unit size of memory is biggest in computer memory?

47 / 70

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

48 / 70

External Devises are just plug and play, it means________

49 / 70

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

50 / 70

Hexadecimal system has total _____ numbers.

51 / 70

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

52 / 70

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

53 / 70

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

54 / 70

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

55 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

56 / 70

Best example of _____________ is Random Access Memory (RAM)

57 / 70

Which Unit size of memory is smallest in computer memory?

58 / 70

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

59 / 70

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

60 / 70

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

61 / 70

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

62 / 70

Which is/ are the characteristic of volatile memory devices?

63 / 70

ASCII stands for ________________

64 / 70

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

65 / 70

__________ may also be written as “P . Q”

66 / 70

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

67 / 70

“236598” is an example of _____________

68 / 70

A number system is the system of representation of ____________

69 / 70

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

70 / 70

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

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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