一幅彩色静态图像(RGB)，设分辨率为256×512，每一种颜色用8bit　表示，则该彩色静态图像的数据量为(63)。(1)512×512×3×8bit(2)256×512×3×8bit(3)256×256×3×8bit(4)512×512×3×8×25bit

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When you open a file or run a program in a computer, a window appears on the desktop of your computer. The(67)of the window indicates which program you are currently working in arid its color will become blue if a window is active. When you click on The(68), the window disappears and appears as a button on the taskbar. Clicking on a button in(69)will invoke a specific command.

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A(66)holds enough bits to store a single character while a(67)is a group of bytes.

The HTML is the language used to create(73)for use on the WWW.

Voice-(72)technology converts human speech into a digital code that a computer can under- stand.

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