| 1.（ ） are designed to manage large bodies of information. |
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| 2.In C language, （ ） are used to create variables and are grouped at the top of a program block. |
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| 3.A C program consists of separate ( ). |
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| 4.If you want to retrieve a record in a physical location. First of all, you are necessary to know where its ( ) location. |
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| 5.A data base is ( ). |
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| 6.（ ）：The minimal unit of information, it can have the value 1 or 0. |
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| 7.Designed to fit comfortable under palm of your hand, a(an) ( ) is an input device that is used to control the movement of the pointer on the screen. |
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| 8.C++ fully supports （ ） programming. |
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| 9.Which one is not a computer languages? ( ) |
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| 10.An （ ） statement can perform a calculation and store the result in a variable so that it can be used later. |
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| 11.The standard （ ） in C language contain many useful functions for input and output ， string handing，mathematical computations，and system programming tasks. |
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| 12.In C launguage, when an array name is passed to a function, what is passed is the （ ） of the beginning of the array. |
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| 13.In C language, the result of the logical （ ） operator is 1 if the value of its operand is 0, 0 if the value of its operand is non-zero. |
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| 14.( ) do not belong to the system's software. |
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| 15.In C language, a （ ） is a series of characters enclosed in double quotes. |
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| 16.In C language，functions are important because they provide a way to （ ） code so that a large complex program can be written by combining many smaller parts. |
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| 17.C might best be ( ) as a 'medium-level language'. |
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| 18.“Class” is the central concept in ( ) and can directly be got from application concepts. |
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| 19.Most tags come in matched ( ) pairs, but this is not an absolute rule. |
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| 20.（ ）：A collection of related information，organized for easy retrieval. |
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