The (71) is a combination of keys that allows the user to activate a program function without clicking a series of menus options.
综合知识
72/75
In computer science,a data (72) is a way of storing data in a computer so that it can be used efficiently.
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73/75
A (73) is a named memory block. By using its name, we can refer to the data stored in the memory block.
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74/75
The term, (74) loop, refers to a loop that is contained within another loop.
综合知识
75/75
The (75) is designed specifically as a security system for preventing unauthorized communications between one computer network and another computer network.