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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

Temporary Memory is also called __________

2 / 70

“It is Cold outside” is a ____________

3 / 70

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

4 / 70

Which Unit size of memory is smallest in computer memory?

5 / 70

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

6 / 70

______________help us to simplify complex Boolean Expression.

7 / 70

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

8 / 70

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

9 / 70

“236598” is an example of _____________

10 / 70

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

11 / 70

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

12 / 70

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

13 / 70

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

14 / 70

Hardware used for Storage devices may be _____________

15 / 70

Commonly used number systems are ______________

16 / 70

__________ may also be written as “P . Q”

17 / 70

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

18 / 70

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

19 / 70

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

20 / 70

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

21 / 70

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

22 / 70

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

23 / 70

Which Unit size of memory is biggest in computer memory?

24 / 70

All Digital devices / Computers store data in _____________

25 / 70

Permanent memory is also called __________

26 / 70

This is not a characteristic of Secondary storage devices_____________

27 / 70

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

28 / 70

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

29 / 70

The main types of Computer Memory is/ are ______________

30 / 70

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

31 / 70

Data to a processor is provided through______________

11 characters left

32 / 70

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

33 / 70

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

34 / 70

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

35 / 70

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

36 / 70

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

37 / 70

“1001001” is an example of _____________

38 / 70

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

39 / 70

“BO93A5” is an example of ______________

40 / 70

Hexadecimal system has total _____ numbers.

41 / 70

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

42 / 70

_____________ is any physical device which used for storing data.

43 / 70

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

44 / 70

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

45 / 70

Which Unit size of memory is smallest in computer memory?

46 / 70

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

47 / 70

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

48 / 70

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

49 / 70

ASCII Codes are represented in Computer Memory after __________

50 / 70

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

51 / 70

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

52 / 70

External Devises are just plug and play, it means________

53 / 70

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

54 / 70

Which is/ are the characteristic of volatile memory devices?

55 / 70

___________ may also be written as  ﬧP

56 / 70

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

57 / 70

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

58 / 70

1-Petabyte is equal to ______________

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

Select Correct Option

59 / 70

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

60 / 70

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

61 / 70

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

62 / 70

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

63 / 70

A number system is the system of representation of ____________

64 / 70

Compound proposition is true only if ________________

65 / 70

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

66 / 70

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

67 / 70

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

68 / 70

Best example of _____________ is Random Access Memory (RAM)

69 / 70

_____________ may also be written as “P + Q”

70 / 70

ASCII stands for ________________

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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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