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¡¶¼ÆËã»úרҵӢÓï¡·µÚ01ÕÂÔÚÏß²âÊÔ Ê£Óàʱ¼ä£º 59:22 ´ðÌâÐëÖª£º1¡¢±¾¾íÂú·Ö20·Ö¡£ 2¡¢´ðÍêÌâºó£¬ÇëÒ»¶¨Òªµ¥»÷ÏÂÃæµÄ¡°½»¾í¡±°´Å¥½»¾í£¬·ñÔòÎÞ·¨¼Ç¼±¾ÊÔ¾íµÄ³É¼¨¡£ 3¡¢ÔÚ½»¾í֮ǰ£¬²»ÒªË¢Ð±¾ÍøÒ³£¬·ñÔòÄãµÄ´ðÌâ½á¹û½«»á±»Çå¿Õ¡£ µÚÒ»Ìâ¡¢µ¥ÏîÑ¡ÔñÌ⣨ÿÌâ1·Ö£¬5µÀÌâ¹²5·Ö£© 1¡¢After I finished the last paragraph, I moved the £ß£ß£ß£ß£ß£ß£ß£ß back to the third paragraph and del£ßeted A¡¢icon C¡¢joystick B¡¢mouse D¡¢cursor 2¡¢These days it is not uncommon for one to see people using £ß£ß£ß£ß£ß£ß£ß£ß everywhere--even on airplanes. A¡¢laptops C¡¢minicomputers B¡¢desktops D¡¢microcomputers 3¡¢Just a minute, I¡¯m waiting for the computer to £ß£ß£ß£ß£ß£ß£ß£ß up. It won¡¯t take long to start it. A¡¢activate C¡¢boot B¡¢scroll D¡¢log 4¡¢what does \A¡¢¾«ÉñÍø C¡¢Éñ¾­ÍøÂç B¡¢×ÔÈ»ÍøÂç D¡¢Éç»áÍøÂç 5¡¢how to translate the word \ÖÐÑë´¦ÀíÆ÷\A¡¢central processing unit C¡¢central process unit B¡¢central progress unit D¡¢ µÚ¶þÌâ¡¢¶àÏîÑ¡ÔñÌ⣨ÿÌâ2·Ö£¬5µÀÌâ¹²10·Ö£© 1¡¢A digital computer is generally made up of five dstinct elements: a central processing unit,(). A¡¢input devices B¡¢memeory storage devices C¡¢output devices D¡¢a bus E¡¢crt screen

2¡¢According to the text,modern digital computers can be divided into four major categories on the basis of cost and performance.They are £ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß.

A¡¢microcomputers B¡¢workstation C¡¢lenovo D¡¢mainframes E¡¢note book F¡¢minicomputers

3¡¢One of trends in computer development is £ß£ß£ß£ß£ß£ß£ß£ß£ß,the effort to compress more circuit elements into smaller and smaller £ß£ß£ß£ß£ß£ßspace

A¡¢microminiaturization B¡¢micromodule C¡¢chip D¡¢chat

4¡¢We can define a computer as a device that £ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß

A¡¢accepts input B¡¢deal everything C¡¢processes data D¡¢stores data E¡¢produces output

5¡¢A program is a sequence of £ß£ß£ß£ß£ß£ß£ß£ß that can be e£øecuted by a computer.It can either be built into the hardware or exist independently in the form of £ß£ß£ß£ß£ß£ß£ß£ß.

A¡¢instructions B¡¢data C¡¢hardware D¡¢software µÚÈýÌâ¡¢ÅжÏÌ⣨ÿÌâ1·Ö£¬5µÀÌâ¹²5·Ö£© 1¡¢Computers cannot work without the instructions sets. ÕýÈ· ´íÎó 2¡¢Computer is able to do different kinds of tasks. ÕýÈ· ´íÎó 3¡¢There are no differences between the information processor and human (ÈËÀàµÄ) nervous system. ÕýÈ· ´íÎó 4¡¢In the future, computers are capable of original thoughts. ÕýÈ· ´íÎó 5¡¢Information can be input only by people. ÕýÈ· ´íÎó