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

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

2 / 70

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

3 / 70

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

4 / 70

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

5 / 70

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

6 / 70

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

7 / 70

Hexadecimal system has total _____ numbers.

8 / 70

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

9 / 70

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

10 / 70

Which Unit size of memory is smallest in computer memory?

11 / 70

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

12 / 70

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

13 / 70

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

14 / 70

Data to a processor is provided through______________

11 characters left

15 / 70

A number system is the system of representation of ____________

16 / 70

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

17 / 70

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

18 / 70

Hardware used for Storage devices may be _____________

19 / 70

__________ may also be written as “P . Q”

20 / 70

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

21 / 70

______________help us to simplify complex Boolean Expression.

22 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

23 / 70

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

24 / 70

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

25 / 70

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

26 / 70

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

27 / 70

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

28 / 70

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

29 / 70

This is not a characteristic of Secondary storage devices_____________

30 / 70

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

31 / 70

“236598” is an example of _____________

32 / 70

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

33 / 70

“1001001” is an example of _____________

34 / 70

_____________ may also be written as “P + Q”

35 / 70

Which Unit size of memory is smallest in computer memory?

36 / 70

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

37 / 70

“BO93A5” is an example of ______________

38 / 70

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

39 / 70

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

40 / 70

Which Unit size of memory is biggest in computer memory?

41 / 70

“It is Cold outside” is a ____________

42 / 70

Commonly used number systems are ______________

43 / 70

All Digital devices / Computers store data in _____________

44 / 70

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

45 / 70

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

46 / 70

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

47 / 70

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

48 / 70

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

49 / 70

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

50 / 70

___________ may also be written as  ﬧP

51 / 70

ASCII stands for ________________

52 / 70

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

53 / 70

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

54 / 70

_____________ is any physical device which used for storing data.

55 / 70

Temporary Memory is also called __________

56 / 70

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

57 / 70

The main types of Computer Memory is/ are ______________

58 / 70

Best example of _____________ is Random Access Memory (RAM)

59 / 70

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

60 / 70

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

61 / 70

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

62 / 70

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

63 / 70

External Devises are just plug and play, it means________

64 / 70

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

65 / 70

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

66 / 70

Compound proposition is true only if ________________

67 / 70

Permanent memory is also called __________

68 / 70

ASCII Codes are represented in Computer Memory after __________

69 / 70

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

70 / 70

Which is/ are the characteristic of volatile memory 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:

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Class 9 Computer Science Chapter-Wise Notes