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

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

2 / 70

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

3 / 70

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

4 / 70

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

5 / 70

_____________ is any physical device which used for storing data.

6 / 70

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

7 / 70

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

8 / 70

“1001001” is an example of _____________

9 / 70

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

10 / 70

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

11 / 70

Permanent memory is also called __________

12 / 70

Data to a processor is provided through______________

11 characters left

13 / 70

Hexadecimal system has total _____ numbers.

14 / 70

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

15 / 70

Which Unit size of memory is smallest in computer memory?

16 / 70

External Devises are just plug and play, it means________

17 / 70

ASCII stands for ________________

18 / 70

Compound proposition is true only if ________________

19 / 70

Hardware used for Storage devices may be _____________

20 / 70

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

21 / 70

A number system is the system of representation of ____________

22 / 70

All Digital devices / Computers store data in _____________

23 / 70

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

24 / 70

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

25 / 70

Which is/ are the characteristic of volatile memory devices?

26 / 70

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

27 / 70

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

28 / 70

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

29 / 70

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

30 / 70

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

31 / 70

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

32 / 70

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

33 / 70

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

34 / 70

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

35 / 70

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

36 / 70

“BO93A5” is an example of ______________

37 / 70

This is not a characteristic of Secondary storage devices_____________

38 / 70

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

39 / 70

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

40 / 70

Temporary Memory is also called __________

41 / 70

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

42 / 70

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

43 / 70

__________ may also be written as “P . Q”

44 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

45 / 70

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

46 / 70

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

47 / 70

ASCII Codes are represented in Computer Memory after __________

48 / 70

Best example of _____________ is Random Access Memory (RAM)

49 / 70

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

50 / 70

The main types of Computer Memory is/ are ______________

51 / 70

Which Unit size of memory is biggest in computer memory?

52 / 70

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

53 / 70

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

54 / 70

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

55 / 70

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

56 / 70

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

57 / 70

Commonly used number systems are ______________

58 / 70

_____________ may also be written as “P + Q”

59 / 70

“236598” is an example of _____________

60 / 70

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

61 / 70

Which Unit size of memory is smallest in computer memory?

62 / 70

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

63 / 70

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

64 / 70

______________help us to simplify complex Boolean Expression.

65 / 70

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

66 / 70

“It is Cold outside” is a ____________

67 / 70

___________ may also be written as  ﬧP

68 / 70

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

69 / 70

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

70 / 70

If “9” 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