Connectors & Peripherals (Chapter 3)

Question 1

How do the following three types of LCD displays compare to each other?
TN
IPS
VA

Answer 1

TN: Fastest | Worst color and contrast ratios
IPS: In between | Best colors
VA: Slowest | Best contrast ratios

Question 2

What two things must support a specified refresh rate (Hz)?

Answer 2

The GPU and monitor

Question 3

Identify USB specifications, speeds and colors

Answer 3

Big gap happens at USB 3.0 and turns blue

Question 4

What does a yellow USB port represent?

Answer 4

Always on
Capable of charging even when the PC is off

Question 5

What additional features and speeds does USB4 support?

Answer 5

• 40 Gbps transfers
• DP support
• 4k displays
• Compatibility with Thunderbolt 3 & 4 devices
• Requires USB-C connector

Question 6

Identify USB types

Answer 6

Question 7

What two technologies does Thunderbolt combine?

Answer 7

PCIe and DisplayPort

Question 8

What can Thunderbolt 4 (latest standard) support?

Answer 8

• DisplayPort 1.2 (first inroduced by TB 2)
• 40 Gbps speed (first introduced by TB 3)
• 10 Gbps Ethernet (first introduced by TB 3)
• Two 4k displays
• 32 Gbps PCIe

4 is 40Gbps

Question 9

When did Thunderbolt switch from Mini DisplayPort to USB-C?

Answer 9

Thunderbolt 3
Also introduced 40Gbps speed

Question 10

What is one benefit of copper cables over optical cables?

Answer 10

They can provide power to a device

Question 11

Identify the connector

Answer 11

DB-9 serial
Used for RS-232 signals (standard of communication)

Question 12

How many rows of pins does a VGA connector have?

Answer 12

3 rows
DB-9 has 2

Question 13

What connectors utilize analog video?

Answer 13

VGA and DVI-A
Analog is electrical data. Digital is binary bata.

Question 14

What DVI connector is this?

Answer 14

DVI-D

Question 15

Identify the port

Answer 15

eSATAp (with power)
Can also utilize USB

Question 16

Does an eSATA port provide power?

Answer 16

No.
Alternatively, a Power over SATA port combines eSATA and USB to supply power.

Question 17

Identify the connector

Answer 17

PATA (formerly IDE)
Powered by a Molex connector

Question 18

Identify the port

Answer 18

SCSI
Most often found on servers or enterprise systems

Question 19

What is the most common audio connector?

Answer 19

TRS
2 ring 3.5mm cable (aux)

Question 20

Which connector is compatible with DVI-A?

Answer 20

VGA

Summary of DVI Types

DVI-D: Digital signals only, directly compatible with HDMI for video.
DVI-A: Analog signals only, similar to VGA.
DVI-I: Both digital and analog signals, adaptable to either HDMI (digital) or VGA (analog).

Question 21

What is the newer implementation of SCSI?

Answer 21

SAS (Serial Attached SCSI)
15,000 rpm HDs use this

Question 22

Which USB standard had the biggest increase in data transfer speeds?

Answer 22

USB 3.0
The speed increased from 480 Mbps (USB 2.0) to 5 Gbps (USB 3.0). The color also turned to blue to differentiate the higher performance.

Question 23

Which thunderbolt versions use mini DP?

Answer 23

Thunderbolt 1 and 2

Question 24

What connector is the predecessor of USB?

Answer 24

Serial (DB-9)
Two rows of pins

Question 25

Which connector is often used to configure ports on an older firewall or switch?

Answer 25

DB-9 using a USB converter cable

Question 27

What speed does USB 2.0 provide?

Answer 27

480 Mbps

Question 28

What speed does USB 3.0 provide?

Answer 28

5 Gbps

Question 29

What type of signal does VGA (video graphics array) use? Is it audio or video?

Answer 29

Analog, video

Question 30

Know which DVI pin arrangement is analog, digital and integrated (both)

Answer 30

Question 31

Does DVI support audio?

Answer 31

No, its display only