1). A high-quality photographic image requires 3 bytes per pixel to produce sixteen million shades of color. a. How large a video memory is required to store a 640 x 480 image during display? A 1600 x 900 image? A 1440 x 1080 image? A 2560 x 1440 image? b. How many 1920 x 1080 non-compressed color images will fit on a 4.7 GB DVD-ROM? 2). As described in the text (Chapter 11), the PCI-Express bus consists of thirty-two “lanes.” As of January 2009, each lane is capable of a maximum data rate of 500 MB per second. Lanes are allocated to a device 1, 2, 4, 8, 16, or 32 lanes at a time. Assume that a PCI-Express bus is to be connected to a highdefinition video card that is supporting a 1920x1080 true-color (3 bytes per pixel) progressive scan monitor with a refresh rate of 60 frames per second. How many lanes will this video card require to support the monitor at full capability?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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1). A high-quality photographic image requires 3 bytes per pixel to produce sixteen
million shades of color.
a. How large a video memory is required to store a 640 x 480 image during
display? A 1600 x 900 image? A 1440 x 1080 image? A 2560 x 1440 image?
b. How many 1920 x 1080 non-compressed color images will fit on a 4.7 GB
DVD-ROM?

2). As described in the text (Chapter 11), the PCI-Express bus consists of thirty-two
“lanes.” As of January 2009, each lane is capable of a maximum data rate of
500 MB per second. Lanes are allocated to a device 1, 2, 4, 8, 16, or 32 lanes
at a time. Assume that a PCI-Express bus is to be connected to a highdefinition video card that is supporting a 1920x1080 true-color (3 bytes per
pixel) progressive scan monitor with a refresh rate of 60 frames per second.
How many lanes will this video card require to support the monitor at full
capability?

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