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

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

2 / 53

Logical Error means the solution is ________________

3 / 53

Which is not an advantage of flowchart?

4 / 53

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

5 / 53

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

6 / 53

“Planning a solution” includes following sub steps______________

7 / 53

Which is the disadvantage of algorithm?

8 / 53

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

9 / 53

Testing an algorithm using invalid data ensure that _______________

10 / 53

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

11 / 53

Efficiency of algorithm can be measured by _____________

12 / 53

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

13 / 53

In flowchart, taking data from users is called ______________

14 / 53

Designer/ Programmer have option to take these steps____________

15 / 53

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

16 / 53

There can be _________ algorithm to solve a single problem.

17 / 53

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

18 / 53

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

19 / 53

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

20 / 53

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

21 / 53

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

22 / 53

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

23 / 53

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

24 / 53

best statement for a problem: _______________

25 / 53

Which One is not used in flowchart?

26 / 53

A well-defined problem is one that _____________

27 / 53

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

28 / 53

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

29 / 53

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

30 / 53

Invalid test Data is type of test data that _____________

31 / 53

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

32 / 53

Trace table is in form of _________________

33 / 53

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

34 / 53

Which is not an Importance & Benefits of a flowchart?

35 / 53

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

36 / 53

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

37 / 53

A set of Steps to Solve a problem is called____________

38 / 53

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

39 / 53

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

40 / 53

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

41 / 53

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

42 / 53

In Algorithm ___________ keywords are used for check the condition.

43 / 53

A clear understanding of a problem ____________

44 / 53

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

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

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

47 / 53

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

48 / 53

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

49 / 53

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

50 / 53

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

51 / 53

Usually a computer programmer can use these steps _________

52 / 53

The Solution is verified means; it is _______________

53 / 53

Trace Table is a technique used to test algorithm as ____________________

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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

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

2 / 70

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

3 / 70

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

4 / 70

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

5 / 70

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

6 / 70

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

7 / 70

__________ may also be written as “P . Q”

8 / 70

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

9 / 70

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

10 / 70

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

11 / 70

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

12 / 70

Which is/ are the characteristic of volatile memory devices?

13 / 70

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

14 / 70

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

15 / 70

The main types of Computer Memory is/ are ______________

16 / 70

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

17 / 70

All Digital devices / Computers store data in _____________

18 / 70

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

19 / 70

Hardware used for Storage devices may be _____________

20 / 70

“236598” is an example of _____________

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“1001001” is an example of _____________

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

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___________ may also be written as  ﬧP

24 / 70

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

25 / 70

______________help us to simplify complex Boolean Expression.

26 / 70

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

27 / 70

_____________ is any physical device which used for storing data.

28 / 70

Data to a processor is provided through______________

11 characters left

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

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Best example of _____________ is Random Access Memory (RAM)

31 / 70

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

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Compound proposition is true only if ________________

33 / 70

“BO93A5” is an example of ______________

34 / 70

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

35 / 70

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

36 / 70

ASCII Codes are represented in Computer Memory after __________

37 / 70

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

38 / 70

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

39 / 70

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

40 / 70

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

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

42 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

43 / 70

ASCII stands for ________________

44 / 70

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

45 / 70

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

46 / 70

A number system is the system of representation of ____________

47 / 70

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

48 / 70

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

49 / 70

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

50 / 70

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

51 / 70

_____________ may also be written as “P + Q”

52 / 70

Permanent memory is also called __________

53 / 70

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

54 / 70

External Devises are just plug and play, it means________

55 / 70

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

56 / 70

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

57 / 70

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

58 / 70

Temporary Memory is also called __________

59 / 70

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

60 / 70

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

61 / 70

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

62 / 70

Hexadecimal system has total _____ numbers.

63 / 70

“It is Cold outside” is a ____________

64 / 70

Which Unit size of memory is smallest in computer memory?

65 / 70

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

66 / 70

This is not a characteristic of Secondary storage devices_____________

67 / 70

Which Unit size of memory is smallest in computer memory?

68 / 70

Which Unit size of memory is biggest in computer memory?

69 / 70

Commonly used number systems are ______________

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