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

___________ may also be written as  ﬧP

2 / 70

Commonly used number systems are ______________

3 / 70

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

4 / 70

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

5 / 70

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

6 / 70

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

7 / 70

Which Unit size of memory is smallest in computer memory?

8 / 70

The main types of Computer Memory is/ are ______________

9 / 70

Hexadecimal system has total _____ numbers.

10 / 70

“It is Cold outside” is a ____________

11 / 70

Hardware used for Storage devices may be _____________

12 / 70

ASCII Codes are represented in Computer Memory after __________

13 / 70

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

14 / 70

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

15 / 70

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

16 / 70

External Devises are just plug and play, it means________

17 / 70

Which is/ are the characteristic of volatile memory devices?

18 / 70

Permanent memory is also called __________

19 / 70

Temporary Memory is also called __________

20 / 70

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

21 / 70

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

22 / 70

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

23 / 70

Best example of _____________ is Random Access Memory (RAM)

24 / 70

Which Unit size of memory is smallest in computer memory?

25 / 70

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

26 / 70

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

27 / 70

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

28 / 70

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

29 / 70

Compound proposition is true only if ________________

30 / 70

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

31 / 70

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

32 / 70

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

33 / 70

__________ may also be written as “P . Q”

34 / 70

“BO93A5” is an example of ______________

35 / 70

All Digital devices / Computers store data in _____________

36 / 70

_____________ is any physical device which used for storing data.

37 / 70

“236598” is an example of _____________

38 / 70

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

39 / 70

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

40 / 70

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

41 / 70

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

42 / 70

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

43 / 70

_____________ may also be written as “P + Q”

44 / 70

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

45 / 70

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

46 / 70

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

47 / 70

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

48 / 70

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

49 / 70

A number system is the system of representation of ____________

50 / 70

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

51 / 70

Data to a processor is provided through______________

11 characters left

52 / 70

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

53 / 70

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

54 / 70

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

55 / 70

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

56 / 70

ASCII stands for ________________

57 / 70

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

58 / 70

This is not a characteristic of Secondary storage devices_____________

59 / 70

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

60 / 70

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

61 / 70

______________help us to simplify complex Boolean Expression.

62 / 70

Which Unit size of memory is biggest in computer memory?

63 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

64 / 70

“1001001” is an example of _____________

65 / 70

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

66 / 70

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

67 / 70

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

68 / 70

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

69 / 70

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

70 / 70

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

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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