Question

Видеопамять делится на 3 страницы. Разрешающая способность дисплея – 640 x 480. Вычислите объем видеопамяти, если битовая глубина равна 24? (Ответ дайте в килобайтах)

Answer 1

Объем видеопамяти = 3*640*480*24 бит = 3*640*480*24/8 байт =
3*640*480*3 байт = 9*640*480/1024 Кбайт = 2700 Кбайт

Answer 2

Calculating the Video Memory Size

To calculate the video memory size, we need to consider the resolution and the bit depth of the display.

The resolution of the display is given as 640 x 480 pixels, and the bit depth is given as 24 bits.

To calculate the video memory size, we can use the following formula:

Video Memory Size = Resolution (in pixels) x Bit Depth

Substituting the given values:

Video Memory Size = 640 x 480 x 24

Now let's calculate the video memory size in kilobytes.

Calculation:

Video Memory Size = 640 x 480 x 24 Video Memory Size = 7372800 bits

Since 1 byte is equal to 8 bits, we can convert the video memory size from bits to bytes by dividing by 8:

Video Memory Size (in bytes) = 7372800 / 8 Video Memory Size (in bytes) = 921600 bytes

Since 1 kilobyte is equal to 1024 bytes, we can convert the video memory size from bytes to kilobytes by dividing by 1024:

Video Memory Size (in kilobytes) = 921600 / 1024 Video Memory Size (in kilobytes) = 900 kilobytes

Therefore, the video memory size, with a resolution of 640 x 480 and a bit depth of 24, is 900 kilobytes.