在下面的程序中，若调用f1(x)时参数传递采用引用方式，调用f2(y)时参数传递采用传值方式，则输出结果为(47)；若调用f1(x)和f2(y)时参数传递都采用引用方式，则输出结果为(48)。

(74)

The main feature of(72)is that they follow a first-come/first-served rule. For instance, the line of(73)waiting to be run on a computer system.

Whenever new information is entered, it must be stored somewhere in the computer's(70). RAM only(71)the data temporarily. That is, all information stored in the RAM will disappear if you switch the computer off.

(72)

(70)

A(68)is used to show you what the computer is doing. It is called(69)equipment as well as the keyboard, the mouse and the printer.

(68)

One solution to major security problems is(75), which are frequently installed to fix known security holes.

(66)is defined as the buying and selling of products and services over the Internet. It had included the handling of purchase(67)and funds transfers over computer networks from its inception.

(74)is a clickable string or graphic that points to another Web page or document.