Hexadecimal

What

is the purpose of this number system, and what are its distinctive features?

Hexadecimal

is a number system with the base of 16. It is used as a short hand for binary

numbers, allowing binary system to be expressed in fewer characters. The

distinctive features of hexadecimal system are that it uses sixteen symbols. In

most cases, the values zero to nine is represented by the symbols 0-9 and the

values ten to fifteen is represented by the symbols A,B,C,D,E,F.

Explain

where and how this number system is used today.

The

hexadecimal number system is now broadly used by computer systems designers and

programmers. In order to represent these hexadecimal constants in computing

languages, different notations are used. In addition to this, this number

system is also used in tradition Chinese units for weight.

What

are the advantages and disadvantages of this number system?

The

advantage of this number system is that it is very easy to convert between

binary number and hexadecimal numbers and it allows binary numbers to be

expressed in fewer symbols. The disadvantage of this number system is since it

is not a base of 10 system, it causes errors to be made as it is a system with

a base of 16.

Egyptian

Number System

What

is the purpose of this number system, and what are its distinctive features?

The

Egyptian Number System was used for a wide variety of occasions, theses

included, measuring time, straight lines, the level of the Nile floodings,

calculating areas of land, counting money, working out taxes and cooking. In

this system, it uses a base of 10 and the numbers are changed into hieroglyphic

writings. This allowed numbers up to 1,000,000 to be expressed this way. In

addition, there were also special signs for every power of 10. For example, the

symbol for 1000 is a lotus flower.

Explain

where and how this number system is used today.

This

ancient number is no longer in use today.

What

are the advantages and disadvantages of this number system?

The

advantage of this system was it allowed the Egyptians to be able to express

their numbers easier to add, subtract, divide or multiply. The disadvantage of

this system is that it can only go up to 1,000,000 and it required a lot of

space and time to write out numbers.

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