Decimal and Binary Number

The number of base or radix ten is called decimal numbers. It is first number system in which all the ancient and modern mathematical calculation is done. Binary numbers are used to run computer. This note contains description on Decimal and Binary Number system are used to operate computer.

Summary

The number of base or radix ten is called decimal numbers. It is first number system in which all the ancient and modern mathematical calculation is done. Binary numbers are used to run computer. This note contains description on Decimal and Binary Number system are used to operate computer.

Things to Remember

  • From the number various other numbers are derived and developed. These numbers are binary numbers, octal numbers, hexadecimal numbers etc.
  • The number of base or radix ten is called decimal numbers It is first number system in which all the ancient and modern mathematical calculation is done.
  • Binary Number is a number of two base numbers. It is represented by 1 and 0. 1 or 0 is called Binary digits.

MCQs

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Subjective Questions

Q1:

What is insurance?


Type: Very_short Difficulty: Easy

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Answer: <p>Insurance is a way, which provides security to the man and his property against the risk and uncertainty. It is the cooperative method of distributing the risk of an individual caused by death, fire, accident etc. over a large number of individuals in exchange for a regular contribution called premium.</p>

Q2:

Define insurance.


Type: Short Difficulty: Easy

Show/Hide Answer
Answer: <p>Insurance is a way, which provides security to the man and his property against the risk and uncertainty. It is the cooperative method of distributing the risk of an individual caused by death, fire, accident, etc. over a large number of individuals in exchange for a regular contribution called premium. In other words, it can be defined as the contract between two parties in which one party promises to pay a certain sum of money as premium over the loss of life or physical properties and another party agrees to compensate in case of happening the events.</p> <p>According to Insurance Business Act, 2042, &ldquo;Insurance can be defined as a contract made by the person paying a certain amount based on estimated life and he or his representative gets the amount after his death or expiry of a policy period.&rdquo;</p> <p>According to Prof. R. S. Sharma, &ldquo;Insurance is a co-operating device to spread loss caused by a particular risk over a number of persons who are exposed to it who agree to insure themselves against that risk.&rdquo;</p> <p>From the above definition, it can be concluded that insurance is a co-operative device by which risks are distributed among a large number of persons. It provides security against the losses or risks to a man and his properties. It is a method of indemnifying financial loss occurred due to particular risk.</p>

Q3:

Explain about insurance premium.


Type: Short Difficulty: Easy

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Answer: <p>The insured has to pay a certain sum of amount to the insurer in order to shift risk and uncertainty. The amount which is paid by the insured to the insurer to transfer the risk of financial losses of his life and property is called insurance premium. The insured gets financial compensation from the insurer against the amount of premium paid for a specific period. For providing financial protection to the properties, the insured pays the premium annually which is not refundable. However the premium of the life insurance is paid on different installment for certain years. After the expiry of the period, the amount is refunded with bonus.</p>

Q4:

What is an insurer?


Type: Very_short Difficulty: Easy

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Answer: <p>An insurer is a insurance company which agrees to compensate the specified amount of losses occurred due to risk and uncertainty in return of a premium.</p>

Q5:

What is an insured?


Type: Very_short Difficulty: Easy

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Answer: <p>An insured is a person or organization which takes insurance policy for getting financial compensation against the specified losses arising from risk and uncertainty from the insurer.</p>

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Insurance
Decimal and Binary Number

Decimal and Binary Number

Number System

History of number starts from primitive age of human being. The development of number system has integrated with the development of human beings. In primitive age, people used to count stones and pebbles. Hindu philosophers have developed the number system called decimal numbers. From the number various other numbers are derived and developed. These numbers are binary numbers, octal numbers, hexadecimal numbers etc.

Decimal (Denary) Numbers

The number of base or radix ten is called decimal numbers It is first number system in which all the ancient and modern mathematical calculation is done. Other number system is derived from this number. It is generated with the combination of 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. We can represent these numbers with suffix two. Eg (9810)10 The following chart displays relations among several number systems derived from the decimal number.

System
Base 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Hexadecimal 16 0 1 2 3 4 5 6 7 8 9 A B C D E F
Decimal 10 0 1 2 3 4 5 6 7 8 9
Octal 8 0 1 2 3 4 5 6 7
Binary 2 0 1
Binary Number

Binary Number is a number of two base numbers. It is represented by 1 and 0. 1 or 0 is called Binary digits.

We can generate this number with the combination of 0 and 1. It is represented with suffix two. Eg (10101)2. Following table shows some decimal number and their equivalent binary numbers.

Decimal Binary
0 0
1 1
2 10
3 11
4 100
5 101
6 110
7 111
8 1000
9 1001
Conversion of Binary to Decimal and vice-versa

We multiply each binary digit by its weighted position, and add each of the weighted value together.

Weighted value:
25 24 23 22 21 20
32 16 8 4 2 1

To convert decimal number to binary number,repeated division by two is needed.

Examples: Convert following into binary numbers:

  1. (45)10= (101101)2
    2 45 1
    2 22 0
    2 11 1
    2 5 1
    2 2 0
    1

    =(101101)2

  2. (225)10= (10111001)2
    2 225 1
    2 112 0
    2 56 0
    2 23 1
    2 11 1
    2 5 1
    2 2 0
    1

    = (10111001)2

Lesson

Number System

Subject

Computer

Grade

Grade 9

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