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

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

2 / 70

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

3 / 70

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

4 / 70

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

5 / 70

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

6 / 70

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

7 / 70

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

8 / 70

The main types of Computer Memory is/ are ______________

9 / 70

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

10 / 70

Hardware used for Storage devices may be _____________

11 / 70

Temporary Memory is also called __________

12 / 70

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

13 / 70

______________help us to simplify complex Boolean Expression.

14 / 70

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

15 / 70

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

16 / 70

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

17 / 70

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

18 / 70

Data to a processor is provided through______________

11 characters left

19 / 70

“236598” is an example of _____________

20 / 70

ASCII Codes are represented in Computer Memory after __________

21 / 70

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

22 / 70

“It is Cold outside” is a ____________

23 / 70

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

24 / 70

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

25 / 70

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

26 / 70

External Devises are just plug and play, it means________

27 / 70

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

28 / 70

Hexadecimal system has total _____ numbers.

29 / 70

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

30 / 70

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

31 / 70

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

32 / 70

ASCII stands for ________________

33 / 70

A number system is the system of representation of ____________

34 / 70

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

35 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

36 / 70

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

37 / 70

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

38 / 70

_____________ is any physical device which used for storing data.

39 / 70

Compound proposition is true only if ________________

40 / 70

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

41 / 70

This is not a characteristic of Secondary storage devices_____________

42 / 70

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

43 / 70

_____________ may also be written as “P + Q”

44 / 70

___________ may also be written as  ﬧP

45 / 70

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

46 / 70

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

47 / 70

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

48 / 70

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

49 / 70

Which Unit size of memory is smallest in computer memory?

50 / 70

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

51 / 70

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

52 / 70

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

53 / 70

Which Unit size of memory is smallest in computer memory?

54 / 70

Which Unit size of memory is biggest in computer memory?

55 / 70

Commonly used number systems are ______________

56 / 70

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

57 / 70

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

58 / 70

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

59 / 70

All Digital devices / Computers store data in _____________

60 / 70

__________ may also be written as “P . Q”

61 / 70

Which is/ are the characteristic of volatile memory devices?

62 / 70

Best example of _____________ is Random Access Memory (RAM)

63 / 70

“BO93A5” is an example of ______________

64 / 70

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

65 / 70

“1001001” is an example of _____________

66 / 70

Permanent memory is also called __________

67 / 70

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

68 / 70

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

69 / 70

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

70 / 70

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

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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