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Computer Text Book > Chapt 12 > Flashcards

Chapt 12 Flashcards

1
Q

You can access the contents of volatile memory as long as ?

A

The system is powered on

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2
Q

When is volatile memory cleared/deleted?

A

On power off

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3
Q

Example of volatile memory:

A

RAM

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4
Q

______ storage is where to place new and changed data so it’s available when the system is shut down

A

Non-volatile

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5
Q

Example of non-volatile storage:

A

magnetic (spinning disk) hard drives, solid-state drives, optical storage, flash drives, network storage, and cloud storage.

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6
Q

_______ storage does not require an Internet or even a network connection

A

Local

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7
Q

________ is a sudden flow of electricity between two electrically charged objects that can harm computer components

A

Electrostatic discharge (ESD)

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8
Q

ESD protection looks like?

A

an ESD strap and ESD mat.

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9
Q

Hard drives are available in two types:

A

Solid state
Spinning disk, using magnetic storage

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10
Q

_______ are faster and are not affected by shock.

A

Solid state drives

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11
Q

If you are using a computer to host many print jobs or other tasks that create temporary files, configure Windows to?

A

send the print queue and other temporary files to a different spinning drive

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12
Q

Linux kernel ______ was released in 2013

A

3.8

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13
Q

To determine the version of the Linux kernel your Linux distribution uses, open Terminal and use this command ?

A

uname -r

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14
Q

:~$uname -r
4.15.0-22-generic
What is the kernel version?

A

4

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15
Q

:~$uname -r
4.15.0-22-generic
What is the major revision?

A

15

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16
Q

the two most common SSD form factors used in laptops?

A

2.5-inch and M.2 module

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17
Q

_______ flash memory is a type of nonvolatile storage technology that does not require power to retain data

A

NAND

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18
Q

NAND flash memory and a ______________ chip are used in solid state drives,

A

Flash memory controller

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19
Q

__________ drives contain one or more aluminum or glass platters that have magnetic coatings

A

Spinning disk

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20
Q

(SSHD)

A

A solid-state hybrid drive (SSHD)

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21
Q

SSD’s have many advantages over their rivals: (name 3)

A

SSDs use smaller form factors so they can fit into smaller spaces, they run cooler, and they are much faster than spinning disk drives

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22
Q

SSHD max capacity?

A

4Tb

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23
Q

3 advantages of SSDs vs HDDs:

A

Smaller, cooler, faster, more stable

24
Q

Optical form factor:

A

Optical drives for desktop computers use a 5.25-inch form facto

25
Q

CD capacity?

A

Compact Disc (CD) media has a capacity of 700MB

26
Q

Digital Video Disk (DVD) media has a capacity of (single layer)?

27
Q

Digital Video Disk (DVD) media has a capacity of ? (dual-layer).

28
Q

Standard Blu-ray Disc (BD) has a capacity of ? (single-layer)

29
Q

BD-RE discs can be?

A

BD-RE discs can be written to, erased, and rewritten

30
Q

Flash drives can be divided into two categories:

A

USB and card-based drives

31
Q

USB flash drives are available in capacities?

32
Q

USB flash drives up to 32GB capacity are normally formatted using the ? file system

33
Q

USB drives of 64GB capacity and higher are formatted using the ? file system

34
Q

MicroSD and SD cards are available in three different types:

A

Secure Digital (SD): Capacities up to 2GB
Secure Digital High Capacity (SDHC): Capacities up to 32GB
Secure Digital Extended Capacity (SDXC): Capacities starting at 64GB

35
Q

Capacity of SD card?

A

Secure Digital (SD): Capacities up to 2GB

36
Q

Max capacity of SDHC card?

A

Secure Digital High Capacity (SDHC): Capacities up to 32GB

37
Q

Max capacity of SDXC card?

A

Secure Digital Extended Capacity (SDXC): Capacities starting at 64GB

38
Q

SD-family cards use two different speed measurements:

A

C-class and U1,2,3.

39
Q

C-class refers to?

A

Write speeds in Mbps

40
Q

.what is the fastest C class SD card?

A

C10 @ 10Mbps

41
Q

What is UHS and how fast is a U1 card?

A

UHS (Ultra High Speed) cards are available in U1 (10MBps write speeds)

42
Q

How fast is a U3 card?

A

(30MBps write speeds).

43
Q

For recording HD video, use at least a C? or U? rated card.

A

use at least a C10- or U1-rated card.

44
Q

RAID 1 is?

A

automatic mirroring (copying) of the contents of one drive to another (RAID 1).

45
Q

RAID STANDS FOR?

A

Redundant Array of Independent (Inexpensive) Drives (RAID)

46
Q

? enable both personal and business users to access their information and apps anywhere an Internet connection is available

A

Cloud storage services

47
Q

SaaS

A

Software as a Service (SaaS).

48
Q

Example of SaaS services?

A

web-based versions of Word, Excel, and other Microsoft Office apps

49
Q

Which of the following storage types is an example of volatile storage?

RAM
SSD
Flash
Cloud

50
Q

You need to install additional RAM into a laptop computer. Which of the following types of storage is suitable?

DIMM
SSD
Flash
SODIMM

51
Q

You need to install a single storage device with 8TB of capacity into a computer that will be used for video editing. Which of the following has sufficient capacity?

Flash
HDD
BD
M.2

52
Q

You need to select optical media that can be erased and rewritten and provides a capacity of up to 4.7GB. Which of the following should you choose?

BD-RE
CD-RW
DVD-R
DVD+RW

53
Q

You are choosing a high-capacity flash memory card for use with a DSLR camera. Which of the following standards supports a capacity of 64GB or higher?

microSD
SDXC
SDHC
SSD

54
Q

Y u need to add storage to a network. Which of the following is network-ready?

NAS
SATA HDD
SSHD
BD-RE

55
Q

Nonvolatile storage is best described by which of the following phrases?

It works as long as the device is turned on.
It is available in the DIMM form factor.
It is only available as internal storage.
It can connect using USB or SATA ports.

A

It can connect using USB or SATA ports

56
Q

Which of the following is not a correct statement about a file server?

It contains one or more drives.
It must be rack-mounted.
It may have multiple network ports.
It connects to a network.

A

It must be rack-mounted

57
Q

Y ou have been tasked with selecting a free cloud storage service for users of Office 365. Which of the following offers the largest amount of free storage for these users?

Google Drive
OneDrive
Amazon Drive
Dropbox

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