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

Which Unit size of memory is biggest in computer memory?

2 / 70

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

3 / 70

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

4 / 70

ASCII Codes are represented in Computer Memory after __________

5 / 70

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

6 / 70

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

7 / 70

“It is Cold outside” is a ____________

8 / 70

“1001001” is an example of _____________

9 / 70

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

10 / 70

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

11 / 70

External Devises are just plug and play, it means________

12 / 70

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

13 / 70

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

14 / 70

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

15 / 70

_____________ may also be written as “P + Q”

16 / 70

Hardware used for Storage devices may be _____________

17 / 70

Which Unit size of memory is smallest in computer memory?

18 / 70

This is not a characteristic of Secondary storage devices_____________

19 / 70

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

20 / 70

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

21 / 70

ASCII stands for ________________

22 / 70

Hexadecimal system has total _____ numbers.

23 / 70

Which Unit size of memory is smallest in computer memory?

24 / 70

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

25 / 70

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

26 / 70

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

27 / 70

__________ may also be written as “P . Q”

28 / 70

“236598” is an example of _____________

29 / 70

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

30 / 70

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

31 / 70

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

32 / 70

_____________ is any physical device which used for storing data.

33 / 70

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

34 / 70

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

35 / 70

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

36 / 70

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

37 / 70

A number system is the system of representation of ____________

38 / 70

Which is/ are the characteristic of volatile memory devices?

39 / 70

Temporary Memory is also called __________

40 / 70

Permanent memory is also called __________

41 / 70

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

42 / 70

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

43 / 70

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

44 / 70

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

45 / 70

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

46 / 70

___________ may also be written as  ﬧP

47 / 70

Compound proposition is true only if ________________

48 / 70

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

49 / 70

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

50 / 70

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

51 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

52 / 70

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

53 / 70

“BO93A5” is an example of ______________

54 / 70

Best example of _____________ is Random Access Memory (RAM)

55 / 70

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

56 / 70

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

57 / 70

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

58 / 70

______________help us to simplify complex Boolean Expression.

59 / 70

The main types of Computer Memory is/ are ______________

60 / 70

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

61 / 70

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

62 / 70

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

63 / 70

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

64 / 70

All Digital devices / Computers store data in _____________

65 / 70

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

66 / 70

Commonly used number systems are ______________

67 / 70

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

68 / 70

Data to a processor is provided through______________

11 characters left

69 / 70

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

70 / 70

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

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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