
數字系統
Presentation
•
Computers
•
6th - 8th Grade
•
Practice Problem
•
Hard
Jessie Chen
FREE Resource
8 Slides • 3 Questions
1
數字系統的表示方式
數字系統的表示方式是指用不同的數字系統來表示數字。常見的數字系統有十進制、二進制、八進制和十六進制。每個數字系統都有自己的基數和符號,了解這些表示方式對於數字運算和資訊科學非常重要。
2
數字系統的表示方式
3
數字系統的表示方式
4
Multiple Choice
What is the process of converting a decimal number to binary?
Multiplying each digit by the corresponding power of 2
Dividing the decimal number by 2 and arranging the remainders from bottom to top
Adding the corresponding powers of 8 for each digit
Converting each digit to its hexadecimal equivalent and adding them together
5
Decimal to Binary
Trivia: Did you know that the process of converting a decimal number to binary involves dividing the decimal number by 2 and arranging the remainders from bottom to top? This method is commonly used in computer science and digital electronics to represent and manipulate data. Try it out with different decimal numbers and see the binary magic happen!
6
數字系統的表示方式
步驟1:將十進位數字除以8,求商及餘數。
步驟2:若商 ≧ 8,則繼續步驟1,否則進行步驟3。
步驟3:把連除8的所有餘數,由下而上,依序由左而右排列,即為所求。
例:將 (77)10 換算成八進位
G 十進位數字轉換為十六進位
步驟1:將進位的數除以16,求其商及餘數。
步驟2:若商 ≧ 16,則繼續步驟1,否則進行步驟3。
步驟3:把連除16的所有餘數,由下而上,依序由左而右排列,即為所求。
例:將(100)10換算成十六進位
練習 1: 十進制表示法的17在16進制中應如何表示?(1)17 (2)11 (3)10 (4)21。
練習: (將十進位的0 ~ 16 ,計算出2進位、8進位、16進位各是多少 ? )
十進位 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
二進位
八進位
16進位
班級 座號 姓名
(甲) 二進位數字轉換為八進位
步驟:將二進位從右開始,取3個一組,解出其值,便得結果。
例:二進位表示法為 1110101011,其八進位表示法為(125)8
(乙) 二進位數字轉換為十六進位
步驟:將二進位從右開始,取4個一組,解出其值,便得結果。
例:二進位表示法為1011101011,其十六進位表示法為(C3)16
7
Multiple Choice
What is the hexadecimal representation of the decimal number 17?
17
11
10
21
8
Hexadecimal Fun
Trivia: Did you know that the hexadecimal representation of the decimal number 17 is 10? Hexadecimal is a base-16 numbering system that uses digits from 0 to 9 and letters from A to F. It is commonly used in computer programming and digital systems. So, next time you see the number 17 in hexadecimal, remember it's 10!
9
數字系統的表示方式
10
Multiple Choice
What is the hexadecimal representation of the binary number 101001011011?
DA56
A5B
417
50A
11
Hexadecimal Trivia
A5B is the hexadecimal representation of the binary number 101001011. Hexadecimal is a base-16 number system used in computing. It is often used to represent colors and memory addresses. In hexadecimal, the digits 0-9 represent their respective values, while the letters A-F represent the values 10-15. So, A5B is equivalent to 10*16^2 + 5*16^1 + 11*16^0 = 2560 + 80 + 11 = 2651. Hexadecimal trivia: Did you know that the hexadecimal system is commonly used in computer programming because it is more compact and easier to read than binary?
數字系統的表示方式
數字系統的表示方式是指用不同的數字系統來表示數字。常見的數字系統有十進制、二進制、八進制和十六進制。每個數字系統都有自己的基數和符號,了解這些表示方式對於數字運算和資訊科學非常重要。
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