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

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1 / 70

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

2 / 70

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

3 / 70

All Digital devices / Computers store data in _____________

4 / 70

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

5 / 70

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

6 / 70

Hexadecimal system has total _____ numbers.

7 / 70

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

8 / 70

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

9 / 70

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

10 / 70

“1001001” is an example of _____________

11 / 70

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

12 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

13 / 70

“236598” is an example of _____________

14 / 70

Hardware used for Storage devices may be _____________

15 / 70

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

16 / 70

“BO93A5” is an example of ______________

17 / 70

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

18 / 70

“It is Cold outside” is a ____________

19 / 70

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

20 / 70

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

21 / 70

External Devises are just plug and play, it means________

22 / 70

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

23 / 70

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

24 / 70

ASCII stands for ________________

25 / 70

Temporary Memory is also called __________

26 / 70

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

27 / 70

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

28 / 70

Compound proposition is true only if ________________

29 / 70

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

30 / 70

Commonly used number systems are ______________

31 / 70

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

32 / 70

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

33 / 70

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

34 / 70

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

35 / 70

Which Unit size of memory is smallest in computer memory?

36 / 70

The main types of Computer Memory is/ are ______________

37 / 70

ASCII Codes are represented in Computer Memory after __________

38 / 70

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

39 / 70

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

40 / 70

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

41 / 70

______________help us to simplify complex Boolean Expression.

42 / 70

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

43 / 70

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

44 / 70

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

45 / 70

_____________ is any physical device which used for storing data.

46 / 70

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

47 / 70

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

48 / 70

__________ may also be written as “P . Q”

49 / 70

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

50 / 70

_____________ may also be written as “P + Q”

51 / 70

Data to a processor is provided through______________

11 characters left

52 / 70

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

53 / 70

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

54 / 70

Which is/ are the characteristic of volatile memory devices?

55 / 70

This is not a characteristic of Secondary storage devices_____________

56 / 70

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

57 / 70

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

58 / 70

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

59 / 70

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

60 / 70

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

61 / 70

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

62 / 70

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

63 / 70

Permanent memory is also called __________

64 / 70

A number system is the system of representation of ____________

65 / 70

Which Unit size of memory is biggest in computer memory?

66 / 70

___________ may also be written as  ﬧP

67 / 70

Best example of _____________ is Random Access Memory (RAM)

68 / 70

Which Unit size of memory is smallest in computer memory?

69 / 70

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

70 / 70

All the characters on keyboard have an associated code which 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:

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Class 9 Computer Science Chapter-Wise Notes