unsigned number 中文意思是什麼
unsigned number
解釋
無符號數-
Which represents a base 10 unsigned number, is prefixed with a negative sign
，它表示一個10為基的無符號數，前面帶一個負號。 -
Which represents a non - base 10 unsigned number, is prefixed with a negative sign
，它表示一個非10為基的無符號數，前面帶一個負號。 -
An 8 - bit unsigned integer equivalent to the number in
中的數字的8位無符號整數。 -
The number of milliseconds since the current program started running, as an unsigned long. this number will overflow ( go back to zero ), after approximately 9 hours
返回自從當前程序開始運行后的毫秒數，這是一個無符號的長整數。如果這個值超過了大約9小時，會產生數據溢出（返回到0 ） 。 -
A 16 - bit unsigned integer equivalent to the number in
中的數字的16位無符號整數。 -
A 64 - bit unsigned integer equivalent to the number in
中的數字的64位無符號整數。 -
The unsigned right - shift operator shifts its first operand right by the number of bits specified by its second operand. expr count
無符號的右移位運算符（ > > > ）將第一個操作數向右移動第二個操作數指定的位數。 -
Given the same number of bits, unsigned integers usually represent twice the number of absolute values representable by signed integers
給予相同的位元，無號整數通常能表示由有號整數所代表的值的絕對值的兩倍數目 -
1 may be either a signed number or an unsigned number depending on context
依上下文1可以是一個有號數或是一個無號數 -
2 may be either a double - cell signed number or a double - cell unsigned number depending on context
依上下文2可以是一個雙單元有號數或是一個雙單元無號數 -
Is an unsigned type, it cannot represent a negative number
是無符號類型，所以它不能表示負數。
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