9th Class Computer Notes 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

Hardware used for Storage devices may be _____________

2 / 70

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

3 / 70

ASCII stands for ________________

4 / 70

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

5 / 70

All Digital devices / Computers store data in _____________

6 / 70

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

7 / 70

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

8 / 70

Which Unit size of memory is biggest in computer memory?

9 / 70

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

10 / 70

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

11 / 70

A number system is the system of representation of ____________

12 / 70

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

13 / 70

Commonly used number systems are ______________

14 / 70

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

15 / 70

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

16 / 70

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

17 / 70

___________ may also be written as  ﬧP

18 / 70

Permanent memory is also called __________

19 / 70

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

20 / 70

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

21 / 70

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

22 / 70

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

23 / 70

This is not a characteristic of Secondary storage devices_____________

24 / 70

______________help us to simplify complex Boolean Expression.

25 / 70

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

26 / 70

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

27 / 70

The main types of Computer Memory is/ are ______________

28 / 70

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

29 / 70

Compound proposition is true only if ________________

30 / 70

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

31 / 70

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

32 / 70

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

33 / 70

“It is Cold outside” is a ____________

34 / 70

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

35 / 70

_____________ is any physical device which used for storing data.

36 / 70

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

37 / 70

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

38 / 70

Data to a processor is provided through______________

11 characters left

39 / 70

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

40 / 70

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

41 / 70

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

42 / 70

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

43 / 70

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

44 / 70

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

45 / 70

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

46 / 70

Temporary Memory is also called __________

47 / 70

External Devises are just plug and play, it means________

48 / 70

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

49 / 70

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

50 / 70

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

51 / 70

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

52 / 70

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

53 / 70

ASCII Codes are represented in Computer Memory after __________

54 / 70

Which is/ are the characteristic of volatile memory devices?

55 / 70

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

56 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

57 / 70

“BO93A5” is an example of ______________

58 / 70

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

59 / 70

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

60 / 70

_____________ may also be written as “P + Q”

61 / 70

Hexadecimal system has total _____ numbers.

62 / 70

“236598” is an example of _____________

63 / 70

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

64 / 70

Best example of _____________ is Random Access Memory (RAM)

65 / 70

Which Unit size of memory is smallest in computer memory?

66 / 70

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

67 / 70

“1001001” is an example of _____________

68 / 70

Which Unit size of memory is smallest in computer memory?

69 / 70

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

70 / 70

__________ may also be written as “P . Q”

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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

 

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