ch11_Peripherals

Question 1

What is a USB host controller

Answer 1

circuit built into the chipset to control the USB devices

- Max 127 devices

Question 2

What is the USB Root hub

Answer 2

The part of the controller that makes the physical connection

Question 3

What are the standards for USB 1.1

Answer 3

Low speed @ 1.5 Mbps
Hi-Speed @ 12 Mbps
A & B use 4 pins
others 5 pins
max length of 5 meters

Question 4

What are the standards for USB 2.0

Answer 4

Hi-Speed @ 480 Mbps
A & B use 4 pins
others 5 pins
max length of 5 meters

Question 5

What are the standards for USB 3.0

Answer 5

Super Speed @ 5 Gbps
*Colored blue
9 pins, type B = 11 pins
Recommended length = 3 meters max

Question 6

What are the standards for USB 3.1

Answer 6

10 Gbps

* Colored Teal

Question 7

Are USB versions backwards compatible

Answer 7

USB 1.1 and 2.0 can be used interchangebly

Question 8

What are the types of USB

Answer 8

USB A - Mini and Micro
-- Interfacing the PC
USB B - Mini, Micro
-- For peripherals
USB C
-- Any device

Question 9

What are the standards for Firewire

Answer 9

AKA IEEE 1394
6 pin powered connector
4 pin bus powered connector
Type A = 400 Mbps
Type B = 800 Mbps
- Max 63 devices
- Can be daisy chained
- Max length = 4.5 meters

Question 10

What are the standards for Thunderbolt

Answer 10

1 & 2 = Mini Display port
3 = USB-C
Copper cable = 3 meter max
Fiber cable = 60 meters max
V1 @ 10 Gbps
V2 @ 20 Gbps
V3 @ 40 Gbps

Question 11

What is PCM

Answer 11

Pulse code modulation is the best sound format as it can compress a WAV file to MP3 by a factor of 12

Question 12

Define Bit rate

Answer 12

the amount of bits transferred to the mp3 decord in 1 second

Question 13

What is the standard for AC’97

Answer 13

6 channels @ 48 KHz/20 bits

Question 14

What is the standard for HDA

Answer 14

8 Channels @ 192 KHz/32 bit

Question 15

How are audio jacks color coded

Answer 15

Pink = Line in
Blue = Microphone
Green = Speaker