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

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

3 / 53

Which is not an Importance & Benefits of a flowchart?

4 / 53

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

5 / 53

Testing an algorithm using invalid data ensure that _______________

6 / 53

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

7 / 53

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

8 / 53

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

9 / 53

The Solution is verified means; it is _______________

10 / 53

“Planning a solution” includes following sub steps______________

11 / 53

Efficiency of algorithm can be measured by _____________

12 / 53

Which One is not used in flowchart?

13 / 53

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

14 / 53

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

15 / 53

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

16 / 53

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

17 / 53

Trace table is in form of _________________

18 / 53

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

19 / 53

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

20 / 53

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

21 / 53

Which is not an advantage of flowchart?

22 / 53

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

23 / 53

Logical Error means the solution is ________________

24 / 53

Usually a computer programmer can use these steps _________

25 / 53

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

26 / 53

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

27 / 53

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

28 / 53

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

29 / 53

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

30 / 53

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

31 / 53

In Algorithm ___________ keywords are used for check the condition.

32 / 53

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

33 / 53

Designer/ Programmer have option to take these steps____________

34 / 53

Trace Table is a technique used to test algorithm as ____________________

35 / 53

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

36 / 53

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

37 / 53

In flowchart, taking data from users is called ______________

38 / 53

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

39 / 53

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

40 / 53

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

41 / 53

A clear understanding of a problem ____________

42 / 53

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

43 / 53

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

44 / 53

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

45 / 53

There can be _________ algorithm to solve a single problem.

46 / 53

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

47 / 53

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

48 / 53

best statement for a problem: _______________

49 / 53

Invalid test Data is type of test data that _____________

50 / 53

A set of Steps to Solve a problem is called____________

51 / 53

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

52 / 53

Which is the disadvantage of algorithm?

53 / 53

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

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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

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

2 / 70

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

3 / 70

Compound proposition is true only if ________________

4 / 70

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

5 / 70

Hardware used for Storage devices may be _____________

6 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

7 / 70

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

8 / 70

Which Unit size of memory is biggest in computer memory?

9 / 70

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

10 / 70

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

11 / 70

This is not a characteristic of Secondary storage devices_____________

12 / 70

Commonly used number systems are ______________

13 / 70

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

14 / 70

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

15 / 70

Data to a processor is provided through______________

11 characters left

16 / 70

All Digital devices / Computers store data in _____________

17 / 70

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

18 / 70

ASCII Codes are represented in Computer Memory after __________

19 / 70

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

20 / 70

Hexadecimal system has total _____ numbers.

21 / 70

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

22 / 70

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

23 / 70

“BO93A5” is an example of ______________

24 / 70

Which Unit size of memory is smallest in computer memory?

25 / 70

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

26 / 70

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

27 / 70

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

28 / 70

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

29 / 70

“It is Cold outside” is a ____________

30 / 70

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

31 / 70

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

32 / 70

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

33 / 70

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

34 / 70

Which is/ are the characteristic of volatile memory devices?

35 / 70

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

36 / 70

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

37 / 70

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

38 / 70

_____________ is any physical device which used for storing data.

39 / 70

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

40 / 70

Which Unit size of memory is smallest in computer memory?

41 / 70

“1001001” is an example of _____________

42 / 70

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

43 / 70

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

44 / 70

The main types of Computer Memory is/ are ______________

45 / 70

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

46 / 70

Best example of _____________ is Random Access Memory (RAM)

47 / 70

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

48 / 70

External Devises are just plug and play, it means________

49 / 70

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

50 / 70

_____________ may also be written as “P + Q”

51 / 70

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

52 / 70

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

53 / 70

A number system is the system of representation of ____________

54 / 70

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

55 / 70

Permanent memory is also called __________

56 / 70

______________help us to simplify complex Boolean Expression.

57 / 70

ASCII stands for ________________

58 / 70

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

59 / 70

Temporary Memory is also called __________

60 / 70

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

61 / 70

___________ may also be written as  ﬧP

62 / 70

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

63 / 70

“236598” is an example of _____________

64 / 70

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

65 / 70

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

66 / 70

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

67 / 70

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

68 / 70

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

69 / 70

__________ may also be written as “P . Q”

70 / 70

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