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comptia study guide 220 - 1001 > Chapter 2 Internal Expansion, Storage Devices, and Power Supplies > Flashcards

Chapter 2 Internal Expansion, Storage Devices, and Power Supplies Flashcards

1
Q

What are the four most common catagory of expansion cards?

A

Video

Multimedia

Communications

Input/Output

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2
Q

What is important to remember when installing an expansion card, no matter what type the card is?

A

That it matches the bus on the motherboard it is going to be installed in. E.G. PCI Network cards must go in PCI slot.

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3
Q

Video adapter card (or graphics cards) can come in two types, what are they?

A

Onboard cards, which are built in to the motherbaird, and add on cards that will typically go into the PCIe slot.

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4
Q

What the advantages and disadvantages of having an onboard video card?

A

Having a video card built into the motherboard frees up an expansion slot. If the video card fails it means getting another motherboard or buying an add on card.

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5
Q

What is a TV Tuner / Video caprure card used for?

A

These allow you to connect a broadcast signal , such a cable TV, to your computer.

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6
Q

What is a difference between a network card and modem card?

A

Modem cards have have smaller 4-pin RJ-11 connectors where as network cards have larger 8-pin RJ-45 connectors.

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7
Q

Name some examples of input/output cards

A

USB cards

Storage Cards, such as eSATA

Thunderbolt cards

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8
Q

What is the most common way to configure a newly installed expansion card?

A

The plug and play utility

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9
Q

If the card isn’t recognised or isn’t functionaing as expected where might be best to look?

A

The BIOS for configuration settings

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10
Q

What are the three critical components of a HDD?

A
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11
Q

HDD platters are divided into what sections?

A

Tracks and Sectors

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12
Q

What are the spin rates for HDD platters?

A

5400 rpm

7200 rpm

10000 rpm

12000 rpm

15000 rpm

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13
Q

What are some of the advatnages of SSD’s over HHD’s

A

Faster srat-up and read times

Less power consumption and heat production

Silent operation

Less susceptible to damage from shock and heat damage

Higher data density per square centimenter.

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14
Q

What are the three types of SSD drives you can get?

A

M.2 SATA

M.2 PCIe

Non-Volatile Memory Express (NVMe)

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15
Q

What is a draw back to using M.2 SATA SSD vs M.2 PCIe SSD?

A

M.2 SATA SSD is restricted to 600 Mbps.

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16
Q

What are the three types of optical storage devices available?

A

CD-ROM

DVD-ROM

BD-ROM

17
Q

what is the storage capacity of CD-ROM?

A

650 MB

700 MB

800 MB

900 MB

18
Q

What is the storage capacity of DVD - ROM

A

8.5 GB or 17.1 GB depending on if it’s dual-layer or not)

19
Q

What is the storage capacity of BD-ROM?

A
20
Q

What are the transfer rates for CD-ROM?

A

1X is 150 KBps going up to 8X

21
Q

What is the transfer rate for DVD-ROM?

A

standard rate 1X is 1.4 MBps

22
Q

What is the transfer rate of BD-ROM?

A

standard 1X is 4.5 MBps

23
Q

What does RAID stand for?

A

Redundant Array of Indepedent Disks.

24
Q

What is RAID 0

A

Disk Striping. Increasing data access. No faut tolerance. Minimuim two drives.

25
Q

What is RAID 1

A

Disk mirroring. Writing data to two drives simultaneously. Does not help with speed but if one drives fails the data is written to the other. Has fault tolerance.

26
Q

What is RAID 5?

A

Striping with parity. Combination of the benefits of RAID 0 & 1 to create a redundant striped volume set. Minimum of 3 drives.

27
Q

What is RAID 10?

A

Mirroring with striping. Also known as RAID 1+0 adds fault tolerance.

28
Q

What are some of examples of flash drives?

A

MMD - MultiMediaCard

SD - Secure Digital

USB Flash Drives

29
Q

What kind of power connectors would a legacy AT motherboard require?

A

AT system connectors

30
Q

Also know as a Molex connector, what connector was used for hard drives, optical drives and other internal peripherals?

A

Standard Peripheral Power Connector

31
Q
A
32
Q
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33
Q
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comptia study guide 220 - 1001 (10 decks)

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