A+ 1001: Peripherals

Question 1

Optical media drives

Answer 1

CD, DVD, BlueRay

Question 2

CD

Answer 2

CD

• compact disc
• Stores files in iso 9660 standard
• CD-ROM (read only memory)
• CD-R (writeable CD)
• CD-RW (rewriteable cds)

Capacity:

• 650-700 MB
• 80 min

Question 3

DVD

Answer 3

• Digital versatile disc
• DVD-ROM
• DVD-R
• DVD-RW
• (DL) Dual layered format
• (DS) Dual sided
• (SS) Single sided
• (SL) Single layered
  Capacity:
  4.37 GB to 15.9 GB

Question 4

Blu-ray

Answer 4

Blueray

• Designed for high definition video
• Capacity:
• BD-R
• BD-RE (blu-ray Disc Recordable Erasable)

Capacity
25 GB - 50 GB

Question 5

USB

Answer 5

Universal Serial Bus

Speeds:
USB 1.0 (1.5 MB/s)
USB 1.1 ( 12 MB/s)
USB 2.0 (480 MB/s)
USB 3.0 (5GB/s)
USB 3.1 gen 1 (5 GB/s)
USB 3.1 gen 2 (10 GB/s)

Connectors

• USB Type-A
• USB Type-B : Standard
• USB Type B: Mini
• USB Type B: Micro
• USB Type-B: Micro 3.0
• USB Type-C

Colors:
USB 1.1 ( white)
USB 2.0 (black)
USB 3.0 (blue)
USB 3.1 gen 1 (blue)
USB 3.1 gen 2 (teal)
charging ports (Red, orange, Yellow)

Question 6

USB Controller

Answer 6

Built into the motherboard

the motherboard will have various usb controllers for the different generations of usb, which are then connected to the Root Hub, which in turn exposes the usb ports

The USB controller sends commands downstream to USB device

A connector: downstream connector (plugged into the motherboard)

B connector: Upstream connector (plugged into the device)

B type connectors are designed to be upstream connectors and so will never be plugged into the computer

C type connectors does away with the upstream donwstream distinction

Question 7

How to extend the amount of usb ports on a system?

Answer 7

plug a usb hub into a usb port

on windows go to device manager and open the usb controller

The downside is that Because the USB connector provides power, if you plug in too many devices into the hub, then it may not have enough power for all the devices

Question 8

in the device manager, if you plug in a device via usb and their is a yellow triangle next to the device, what does that mean?

Answer 8

No device driver, need to manually install one

Question 9

HID

Answer 9

Human interface device

HID drives Keyboards, Mice.

Drive core functionality. If the mouse or keyboard has extra features that are beyond the core functions, then you would have to install additional device drivers to get it to work as intended.

Question 10

Security Issues with USB

Answer 10

Easy to use a USB to upload Malware or spyware on pc.

To prevent this:

• disable USB ports
• USB lock

Question 11

Thunderbolt

Answer 11

Special high performance connector type

thunderbolt 1: 10GB/s x 2 channels (20GB/s total)

Thunderbolt 2: 20GB/s

Thunderbolt 3: 40 GB/s

Connector type:

• mini display port conncetor
• usb c

Question 12

Lightning

Answer 12

High performance connector exclusive to apple devices

uses proprietary lightning connector

Usually used for speed charging

5GB/s

Question 13

Keyboard

Answer 13

Runs at usb 1.1 speed

conncectors:

• wireless dongle
• usb
• ps/2 (purple keyboard/ green mouse)

Question 14

Where can we go on windows to make changes to or manage peripheral devices?

Answer 14

Control Panel
Device manager
Windows Settings/ devices

Question 15

KVM switch

Answer 15

Switch that allows sharing of input devices amongst multiple computers

Question 16

Speaker Systems

Answer 16

x. 1: x regular speakers and one subwoofer
2. 1/5.1/7.1

connector types:
3.5 audio jacks

audio jack colors:
pink - microphone
green - front speakers
silver/grey - side speakers
black: rear speakers
orange: subwoofer and central channel
blue: auxillary

Question 17

S/PDIF

Answer 17

Sony/Philips Digital Interface

Optical connector type that is used exclusively for sound connections

mainly used for attaching a receiver system to pc

Question 18

Where to configure Sound Settings

Answer 18

Windows Settings / Sound

or simply right click the speaker icon and click on sound settings

Question 19

Trouble shooting Sound

Answer 19

1 Check Power and Volume on a physical device

2. Check the device and application volume settings on the system

Question 20

Readers

Answer 20

1. Smart Card Readers / Magnetic Card Readers

Used for authentication / login

Smart cards contains a smart chip

Magnetic Cards contain Magnetic Strip

2. Flash Memory Reader
   - SD Cards
   - Mini SD
   - Micro SD
   - Olympus XD

Question 21

Scanners

Answer 21

Flatbed Scanner: Scans paper documents. The downside is that you can only feed one page at a time

ADF (Automatic Document Feed) allows scanners to scan multiple pages

Question 22

Barcode /QR code scanners

Answer 22

Reads Squares that store alpha/numeric information

Question 23

expansion slots

Answer 23

PCIe type slots

Can place a single lane in a 16 lane and it will still work

When choosing a slot, consider airflow and the cards required connections

Question 24

Windows BSOD

Answer 24

windows blue screen of death is very common after new device installation.

1. improperly installed peripheral or expansion card
2. incompatible device
3. Missing or incompatible drivers

Question 25

Which is a valid capacity for a Compact Disc? a. ) 74 megabytes b. ) 74 minutes c. ) 80 megabytes d. ) 4.37 gigabytes

Answer 25

b.) 74 minutes 74 minutes is a valid CD capacity. The other values are not valid for CDs.

Question 26

Which is NOT a valid USB speed? a. ) 12 Mbps b. ) 480 Mbps c. ) 5 Gbps d. ) 1.1 Gbps

Answer 26

d. ) 1.1 Mbps 1. 1 Gbps is not a valid USB speed. USB 1.1 Full Speed runs at 12 Mbps. USB 2.0 Hi Speed runs at 480 Mbps. USB 3 and 3.1 Gen 1 run at 5 Gbps (SuperSpeed).

Question 27

Each version of USB in a computer has its own what?

Answer 27

USB controller

Question 28

Most USB peripherals already have a what?

Answer 28

Windows driver

Question 29

Which is NOT a valid thunderbolt speed? a. ) 10Gbps b. ) 20 Gbps c. ) 30 Gbps d. ) 40 Gbps

Answer 29

30 Gbps 30 Gbps is not a valid Thunderbolt speed. Thunderbolt 1 runs at 10 Gbps, Thunderbolt 2 runs at 20 Gbps, and Thunderbolt 3 runs at 40 Gbps.

Question 30

What color is a PS/2 mouse port?

Answer 30

PS/2 mouse ports are green. PS/2 keyboard ports are purple. Red and blue PS/2 ports are not a standard and are seldom, if ever, seen.

Question 31

Which utility would a technician use to configure mouse settings?

Answer 31

Control Panel

Question 32

What kind of audio connector provides digital audio output?

Answer 32

S/PDIF is the Sony/Phillips Digital Interface. The other connector choices are all analog, not digital.

Question 33

Which is not a consideration when selecting a slot in which to install an expansion card? a. ) Air flow b. ) slot type c. ) Type of operating System d. ) Space for connectors

Answer 33

c.) Type of operating System The operating system has no bearing on which slot an expansion card is installed into. Air flow, type of slot, and room for rear connectors are all important considerations when selecting an expansion card slot

Question 34

Which is not a step in installing a new expansion card? a. ) Turn on the computer b. ) Select a connector and slot c. ) Secure the card in its slot with a slot-cover screw d. ) Connect any power or data cables to the card

Answer 34

The computer should be turned off before installing a new expansion card (and not be turned on until the installation is complete). All of the other choices are normal steps when installing a new expansion card.