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CompTia 901 A+ > 1.10 > Flashcards

1.10 Flashcards

1
Q

What is a LCD display?

A

Light shine through liquid crystals

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2
Q

Does LCD require a backlight?

A

Yes

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3
Q

What is a positive for Twisted Nematic (TN) LCD? (2)

A

Fast response times, low power draw

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4
Q

What is a negative for Twisted Nematic (TN) LCD?

A

Poor viewing angles

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5
Q

What is the most common type of LCD display?

A

Twisted Nematic (TN)

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6
Q

What is the two types of LCD displays?

A

Twisted Nematic (TN), In Plane Switching (IPS)

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7
Q

What is a positive for In Plane Switching (IPS) LCD? (2)

A

Excellent color representation, No tailing when touched

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8
Q

What is a negative for In Plane Switching (IPS) LCD?

A

More expensive than the TN LCD

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9
Q

What is the two different types of LCD backlights?

A

Cold Cathode Fluorescent Lamp (CCFL) and LED

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10
Q

What is a Plasma display?

A

A display of tiny noble gas and mercury where voltage is powered to them to form a plasma

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11
Q

What is a positive for a plasma display?(2)

A

Very fast response times, Great color representation

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12
Q

What is common in digital projectors?

A

LCD

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13
Q

What is a OLED display?

A

Organic compounds emit light when receiving an electric current

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14
Q

Does an OLED display need a backlight?

A

No

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15
Q

What is a negative for OLED displays?

A

The organic compounds degrade overtime so it has a short life span

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16
Q

What is a refresh rate measured in?

A

Hz

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17
Q

What is the common refresh rates for LCD? (3)

A

60, 120, 144 hz

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18
Q

What is the display resolution?

A

Width X Height in pixels

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19
Q

What is an aspect ratio?

A

The ratio of width to height

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20
Q

What is a the standard monitor aspect ratio?

A

4:3

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21
Q

What is the aspect ratio of a wide screen monitor?

A

16:10

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22
Q

What is a HD aspect ratio?

A

16:9

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23
Q

What could cause distortion on a monitor?

A

The monitor isn’t set to it’s native resolution

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24
Q

What is native resolution?

A

It is the resolution the monitor was designed to be at (1920 x 1200)

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25
Q

How is the display brightness of a monitor measured?

A

Lumens

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26
Q

How is analog signals transmitted?

A

As a continuous signal

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27
Q

How are digital signals transmitted?

A

As discrete values (1 or 0)

28
Q

What is a privacy filter for a monitor?

A

A film that you put on a monitor that will fade the screen if it is viewed from an angle

29
Q

What is it called when you have two monitors that display two different things?

A

Extending the desktop

30
Q

What is it called when you have two monitors that display the same thing?

A

Mirroring the desktop

31
Q

What does extending the desktop to two monitors do?

A

Two monitors with different things on them

32
Q

What does mirror the desktop to two monitors do?

A

Mirrors what is on one monitor to another

33
Q

What is 16:9 aspect ratio called?

34
Q

What is 16:10 aspect ratio called?

A

Wide Screen

35
Q

What is 4:3 aspect ratio called?

36
Q

What is lumens?

A

How the brightness on a display is measured

37
Q

Which type of signal send it as discrete values?

38
Q

Which type of signal send it as a continuous signal?

39
Q

What is the resolution called that monitor is designed to be at?

A

Native resolution

40
Q

What is it called that is width x height in pixels?

A

Aspect ratio

41
Q

What is a random access memory digital-to-analog converter (RAMDAC)?

A

Converts digital to analog video signal from the GPU

42
Q

What converts digital to analog video signal from the GPU?

A

Random access memory digital-to-analog converter (RAMDAC)

43
Q

What is a DB-15 connector also called?

44
Q

What is the display of XGA?

A

1024 x 768 (4:3)

45
Q

Which type of display is 1024 x 768 (4:3)?

46
Q

What is the display of SXGA?

A

1280 x 1024 (5:4)

47
Q

What type of display is 1280 x 1024 (5:4)?

48
Q

What type of display is 1600 x 1200 (4:3)?

49
Q

What is the display of UXGA?

A

1600 x 1200 (4:3)

50
Q

What type of display is 1920 x 1200 (16:10)?

51
Q

What is the display of WUXGA?

A

1920 x 1200 (16:10)

52
Q

What does the Accelerated Graphic Port (AGP) run at?

A

32 bit at 66 Mhz

53
Q

What is the max Mhz of a Single link DVI?

54
Q

Which type of DVI runs at a max of 165 Mhz?

A

Single Link DVI

55
Q

Which type of PCIe does a video card use?

56
Q

What is Video RAM?

A

Can read and write at the same time

57
Q

Which type of RAM can read and write at the same time?

58
Q

Why use Cat5 for video?

A

Enabled the data to travel over longer distances

59
Q

What is a Mini-DIN6 also called?

60
Q

What is S-Video also called?

61
Q

Where are mini-HDMI connectors used in?

62
Q

What type of HDMI does a tablet use?

63
Q

What are mirco-HDMI connectors used in?

64
Q

What type of HDMI does a car use?

A

Mirco-HDMI

65
Q

How many bits long is a MAC address?

CompTia 901 A+ (25 decks)

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