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问题 单项选择题

计算机系统中，PROM表示______。

A．可擦除可编程只读存储器

B．电可擦除可编程只读存储器

C．动态随机存储器

D．可编程只读存储器

答案

参考答案：D

解析： PROM是可编程只读存储器；EPROM是可擦除可编程只读存储器；EEPROM是电可擦除可编程只读存储器；RAM是随机存储器。

填空题

Three rich ladies met every day by the river. They sat there and talked the w   71   day. Once, they quarreled. One of them said, "Look, how white and beautiful my hands are!" A   72   one said, "My hands are more beautiful." The third one said. “Mine a   73   the most beautiful." Just then, an old woman beggar（乞丐） came up to them. "Beautiful ladies," she said, "I’m old and can’t work. I’m hungry.  Please give me something to eat."

But the t   74   ladies gave her nothing. They only asked her to tell them who h   75  the most beautiful hands.

A peasant woman (农妇) was also sitting by the river. She was poor and her hands were rough（粗糙） because of h   76   work. The old woman beggar came up to her and said, "I’m hungry. Please give me something to eat." The peasant woman took out her only cake she had and gave the beggar a h   77  .

The old woman beggar ate it and drank some water. Then she took the peasant woman by the hand, brought her b   78   the rich ladies and said, "Now, I shall tell you whose hands are the most beautiful. The hands of the poor peasant woman are rough because of work, but they give us food; they are m    79   more beautiful than your hands which have never d 80   anything."
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判断题

期末企业银行存款的记帐余额为26万元，银行对帐单29万元，经过未达帐项调节后余额为28万元，则企业在银行的实有存款是（28 ）万元。( )
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