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【简答题】
已有定义: int y;, 执行以下语句后的输出结果是 ______. y=26; printf(“%d,%#o,%#x”,y,y,y);
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【简答题】Consider an application that transmits data at a steady rate (for example, the sender generates an N-bit unit of data every k time units, where k is small and fixed). Also, when such an application st...
【单选题】侯先生,40岁,突发性上腹部疼痛2h来院急诊。评估见腹部平坦,全腹均有压痛,腹肌紧张,肠鸣音消失,肝浊音界缩小。在体检中肠鸣音消失的原因是:
A.
肠坏死
B.
机械性肠梗阻
C.
肠运动障碍
D.
疼痛剧烈而不敢腹式呼吸
E.
炎症刺激而致肠麻痹
【单选题】27 In a circuit-switched network, if each link has n circuits, for each link used by the end-to-end connection, the connection gets ( ) of the link’s bandwidth for the duration of the connection.
A.
a fraction 1/n
B.
all
C.
1/2
D.
n times
【单选题】For circuit-switched, which of the following is not true?
A.
used by traditional telecommunication network
B.
during the process of telephoning, the whole circuit cannot be used by other calling
C.
the entire information need be divided into small packets
D.
during the process of telephoning, if any section doesn’t work, the connection must be built again
【简答题】椅子 は部屋にあります。
【简答题】問: 答:部屋には机や椅子などがあります。
【单选题】Circuit-switching technology is used in Publish Switched Telephone Network(PSTN), Global System for Mobile Communications(GSM) and code Division Multiple Access (CMDA) .It is a ( ) information transfe...
A.
connection oriented
B.
connectionless
C.
high bandwidth utilization
D.
poor real-time
【判断题】3 Consider an application that transmits data at a steady rate, and once this application starts, it will stay on for a relatively long period of time. According to the characteristic, a packet-switch...
A.
正确
B.
错误
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