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

Which Unit size of memory is smallest in computer memory?

2 / 70

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

3 / 70

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

4 / 70

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

5 / 70

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

6 / 70

__________ may also be written as “P . Q”

7 / 70

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

8 / 70

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

9 / 70

___________ may also be written as  ﬧP

10 / 70

This is not a characteristic of Secondary storage devices_____________

11 / 70

Permanent memory is also called __________

12 / 70

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

13 / 70

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

14 / 70

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

15 / 70

______________help us to simplify complex Boolean Expression.

16 / 70

_____________ may also be written as “P + Q”

17 / 70

Temporary Memory is also called __________

18 / 70

All Digital devices / Computers store data in _____________

19 / 70

Compound proposition is true only if ________________

20 / 70

Hexadecimal system has total _____ numbers.

21 / 70

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

22 / 70

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

23 / 70

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

24 / 70

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

25 / 70

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

26 / 70

A number system is the system of representation of ____________

27 / 70

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

28 / 70

Which is/ are the characteristic of volatile memory devices?

29 / 70

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

30 / 70

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

31 / 70

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

32 / 70

Best example of _____________ is Random Access Memory (RAM)

33 / 70

_____________ is any physical device which used for storing data.

34 / 70

“236598” is an example of _____________

35 / 70

“It is Cold outside” is a ____________

36 / 70

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

37 / 70

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

38 / 70

ASCII stands for ________________

39 / 70

ASCII Codes are represented in Computer Memory after __________

40 / 70

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

41 / 70

Which Unit size of memory is biggest in computer memory?

42 / 70

Which Unit size of memory is smallest in computer memory?

43 / 70

The main types of Computer Memory is/ are ______________

44 / 70

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

45 / 70

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

46 / 70

External Devises are just plug and play, it means________

47 / 70

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

48 / 70

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

49 / 70

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

50 / 70

Hardware used for Storage devices may be _____________

51 / 70

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

52 / 70

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

53 / 70

“BO93A5” is an example of ______________

54 / 70

Data to a processor is provided through______________

11 characters left

55 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

56 / 70

Commonly used number systems are ______________

57 / 70

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

58 / 70

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

59 / 70

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

60 / 70

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

61 / 70

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

62 / 70

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

63 / 70

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

64 / 70

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

65 / 70

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

66 / 70

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

67 / 70

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

68 / 70

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

69 / 70

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

70 / 70

“1001001” is an example of _____________

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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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