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Comptia A+ Core 1 Exam: Guide To C...

10th Edition
Jean Andrews + 2 others
Publisher: Cengage Learning
ISBN: 9780357108376

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BuyFindarrow_forward

Comptia A+ Core 1 Exam: Guide To C...

10th Edition
Jean Andrews + 2 others
Publisher: Cengage Learning
ISBN: 9780357108376
Chapter 4, Problem 2TC
Textbook Problem
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THINKING CRITICALLY

What is a reasonable wattage capacity for a power supply to be used with a system that contains a DVD drive, three hard drives, and a high-end video card?

a. 250 W

b. 1000 W

c. 700 W

d. 150 W

Explanation of Solution

Given:

Three hard drives.

High end video card.

DVD drive.

 

To find: The reasonable wattage capacity for power supply when three hard drives, a high-end video card, and DVD drive are connected.

Solution:

High-end video card uses 300 Watts.

SATA hard drive takes 15-30 for all three types.

DVD drive takes 20-30 Watts.

The power will be:

300+30×3+30=420

The actual power consumption is more than the given directives for the hard drive. 30% more than the power supply mentioned is used

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