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

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

2 / 70

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

3 / 70

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

4 / 70

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

5 / 70

Data to a processor is provided through______________

11 characters left

6 / 70

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

7 / 70

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

8 / 70

External Devises are just plug and play, it means________

9 / 70

“BO93A5” is an example of ______________

10 / 70

Hexadecimal system has total _____ numbers.

11 / 70

All Digital devices / Computers store data in _____________

12 / 70

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

13 / 70

Which Unit size of memory is smallest in computer memory?

14 / 70

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

15 / 70

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

16 / 70

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

17 / 70

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

18 / 70

“1001001” is an example of _____________

19 / 70

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

20 / 70

Commonly used number systems are ______________

21 / 70

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

22 / 70

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

23 / 70

Which Unit size of memory is smallest in computer memory?

24 / 70

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

25 / 70

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

26 / 70

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

27 / 70

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

28 / 70

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

29 / 70

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

30 / 70

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

31 / 70

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

32 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

33 / 70

_____________ may also be written as “P + Q”

34 / 70

“236598” is an example of _____________

35 / 70

______________help us to simplify complex Boolean Expression.

36 / 70

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

37 / 70

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

38 / 70

Which is/ are the characteristic of volatile memory devices?

39 / 70

Which Unit size of memory is biggest in computer memory?

40 / 70

Permanent memory is also called __________

41 / 70

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

42 / 70

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

43 / 70

The main types of Computer Memory is/ are ______________

44 / 70

This is not a characteristic of Secondary storage devices_____________

45 / 70

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

46 / 70

Best example of _____________ is Random Access Memory (RAM)

47 / 70

ASCII stands for ________________

48 / 70

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

49 / 70

___________ may also be written as  ﬧP

50 / 70

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

51 / 70

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

52 / 70

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

53 / 70

Compound proposition is true only if ________________

54 / 70

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

55 / 70

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

56 / 70

Hardware used for Storage devices may be _____________

57 / 70

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

58 / 70

A number system is the system of representation of ____________

59 / 70

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

60 / 70

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

61 / 70

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

62 / 70

_____________ is any physical device which used for storing data.

63 / 70

ASCII Codes are represented in Computer Memory after __________

64 / 70

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

65 / 70

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

66 / 70

__________ may also be written as “P . Q”

67 / 70

Temporary Memory is also called __________

68 / 70

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

69 / 70

“It is Cold outside” is a ____________

70 / 70

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