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

2 / 53

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

3 / 53

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

4 / 53

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

5 / 53

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

6 / 53

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

7 / 53

Which is not an Importance & Benefits of a flowchart?

8 / 53

Designer/ Programmer have option to take these steps____________

9 / 53

Usually a computer programmer can use these steps _________

10 / 53

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

11 / 53

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

12 / 53

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

13 / 53

There can be _________ algorithm to solve a single problem.

14 / 53

Which One is not used in flowchart?

15 / 53

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

16 / 53

Logical Error means the solution is ________________

17 / 53

A well-defined problem is one that _____________

18 / 53

Trace Table is a technique used to test algorithm as ____________________

19 / 53

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

20 / 53

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

21 / 53

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

22 / 53

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

23 / 53

The Solution is verified means; it is _______________

24 / 53

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

25 / 53

Testing an algorithm using invalid data ensure that _______________

26 / 53

Trace table is in form of _________________

27 / 53

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

28 / 53

Efficiency of algorithm can be measured by _____________

29 / 53

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

30 / 53

Which is not an advantage of flowchart?

31 / 53

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

32 / 53

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

33 / 53

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

34 / 53

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

35 / 53

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

36 / 53

Which is the disadvantage of algorithm?

37 / 53

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

38 / 53

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

39 / 53

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

40 / 53

In flowchart, taking data from users is called ______________

41 / 53

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

42 / 53

Invalid test Data is type of test data that _____________

43 / 53

In Algorithm ___________ keywords are used for check the condition.

44 / 53

A set of Steps to Solve a problem is called____________

45 / 53

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

46 / 53

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

47 / 53

“Planning a solution” includes following sub steps______________

48 / 53

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

49 / 53

best statement for a problem: _______________

50 / 53

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

51 / 53

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

52 / 53

A clear understanding of a problem ____________

53 / 53

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

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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

_____________ may also be written as “P + Q”

2 / 70

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

3 / 70

“BO93A5” is an example of ______________

4 / 70

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

5 / 70

“It is Cold outside” is a ____________

6 / 70

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

7 / 70

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

8 / 70

Hardware used for Storage devices may be _____________

9 / 70

Hexadecimal system has total _____ numbers.

10 / 70

___________ may also be written as  ﬧP

11 / 70

______________help us to simplify complex Boolean Expression.

12 / 70

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

13 / 70

Permanent memory is also called __________

14 / 70

Best example of _____________ is Random Access Memory (RAM)

15 / 70

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

16 / 70

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

17 / 70

ASCII Codes are represented in Computer Memory after __________

18 / 70

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

19 / 70

All Digital devices / Computers store data in _____________

20 / 70

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

21 / 70

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

22 / 70

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

23 / 70

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

24 / 70

A number system is the system of representation of ____________

25 / 70

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

26 / 70

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

27 / 70

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

28 / 70

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

29 / 70

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

30 / 70

Data to a processor is provided through______________

11 characters left

31 / 70

Which is/ are the characteristic of volatile memory devices?

32 / 70

Compound proposition is true only if ________________

33 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

34 / 70

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

35 / 70

ASCII stands for ________________

36 / 70

The main types of Computer Memory is/ are ______________

37 / 70

__________ may also be written as “P . Q”

38 / 70

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

39 / 70

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

40 / 70

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

41 / 70

“1001001” is an example of _____________

42 / 70

Which Unit size of memory is smallest in computer memory?

43 / 70

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

44 / 70

“236598” is an example of _____________

45 / 70

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

46 / 70

External Devises are just plug and play, it means________

47 / 70

Which Unit size of memory is biggest in computer memory?

48 / 70

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

49 / 70

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

50 / 70

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

51 / 70

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

52 / 70

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

53 / 70

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

54 / 70

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

55 / 70

Which Unit size of memory is smallest in computer memory?

56 / 70

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

57 / 70

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

58 / 70

Temporary Memory is also called __________

59 / 70

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

60 / 70

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

61 / 70

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

62 / 70

This is not a characteristic of Secondary storage devices_____________

63 / 70

_____________ is any physical device which used for storing data.

64 / 70

Commonly used number systems are ______________

65 / 70

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

66 / 70

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

67 / 70

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

68 / 70

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

69 / 70

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

70 / 70

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

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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