9th Class Computer Notes 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

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1 / 70

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

2 / 70

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

3 / 70

ASCII Codes are represented in Computer Memory after __________

4 / 70

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

5 / 70

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

6 / 70

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

7 / 70

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

8 / 70

_____________ is any physical device which used for storing data.

9 / 70

Hardware used for Storage devices may be _____________

10 / 70

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

11 / 70

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

12 / 70

“BO93A5” is an example of ______________

13 / 70

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

14 / 70

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

15 / 70

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

16 / 70

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

17 / 70

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

18 / 70

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

19 / 70

Best example of _____________ is Random Access Memory (RAM)

20 / 70

External Devises are just plug and play, it means________

21 / 70

___________ may also be written as  ﬧP

22 / 70

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

23 / 70

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

24 / 70

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

25 / 70

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

26 / 70

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

27 / 70

“236598” is an example of _____________

28 / 70

Which Unit size of memory is biggest in computer memory?

29 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

30 / 70

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

31 / 70

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

32 / 70

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

33 / 70

_____________ may also be written as “P + Q”

34 / 70

Temporary Memory is also called __________

35 / 70

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

36 / 70

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

37 / 70

Which Unit size of memory is smallest in computer memory?

38 / 70

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

39 / 70

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

40 / 70

Compound proposition is true only if ________________

41 / 70

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

42 / 70

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

43 / 70

All Digital devices / Computers store data in _____________

44 / 70

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

45 / 70

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

46 / 70

Which is/ are the characteristic of volatile memory devices?

47 / 70

Commonly used number systems are ______________

48 / 70

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

49 / 70

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

50 / 70

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

51 / 70

Permanent memory is also called __________

52 / 70

Data to a processor is provided through______________

11 characters left

53 / 70

“It is Cold outside” is a ____________

54 / 70

______________help us to simplify complex Boolean Expression.

55 / 70

“1001001” is an example of _____________

56 / 70

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

57 / 70

A number system is the system of representation of ____________

58 / 70

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

59 / 70

Hexadecimal system has total _____ numbers.

60 / 70

__________ may also be written as “P . Q”

61 / 70

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

62 / 70

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

63 / 70

The main types of Computer Memory is/ are ______________

64 / 70

This is not a characteristic of Secondary storage devices_____________

65 / 70

ASCII stands for ________________

66 / 70

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

67 / 70

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

68 / 70

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

69 / 70

Which Unit size of memory is smallest in computer memory?

70 / 70

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

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Class 9 Computer Science Chapter-Wise Notes

 

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