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【简答题】
彩色显示器的色彩由R、G、B三基色合成得到，因此图像中每个像素的颜色数目由 R、G、B的位数确定。在不使用彩色表的情况下，若R、G、B分别用4位表示，则图像中每个像素可能的颜色数日最多有【 】种。
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举一反三
【简答题】Can you find the number which comes next in this sequence? 2 3 5 8 13 21 34 ?
【单选题】Why does TCP use a sequence number in the header?
A.
To reassemble the segments into data
B.
To identify the application layer protocol
C.
To indicate the number of the next expected byte
D.
To show the maximum number of bytes allowed during a session
【单选题】A sequence of any number of characters enclosed in the double queotes“”is called a character ______.
A.
array
B.
group
C.
set
D.
string
【单选题】The advantage of the Gray code over the straight binary number sequence is that
A.
only one bit in the code group changes in going from one number to the next.
B.
two bits in the code group changes in going from one number to the next.
C.
three bits in the code group changes in going from one number to the next.
D.
four bits in the code group changes in going from one number to the next.
【简答题】Following the pattern shown in the number sequence below, what is the missing number? 1 8 27 ? 125 216
【单选题】Suppose host A sends host B one TCP segment with sequence number 418, acknowledgement number 571, and 4 bytes of data. Then the sequence number in the acknowledgement to this segment is ________
A.
422
B.
418
C.
571
D.
575
【单选题】Each ________ includes a field that holds the sequence number of that frame plus a field that holds the sequence number used for acknowledgment.
A.
SAF
B.
window
C.
data frame
D.
relay frame
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