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Associate > Video Principles - Intro to Video Principles > Flashcards

Video Principles - Intro to Video Principles Flashcards

1
Q

The human eye can differentiate individual picture frames at which of the following rates?

24-30 frames per second

525 lines at a refresh rate of 60 frames per second

10-12 frames per second

42-50 frames per second

A

10-12 Frames per second

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2
Q

Which of the following projects a ray of light through a lens to display an image onto a surface?

LED

LCD

CRT

Projector

A

Projector

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3
Q

Which of the following is the smallest component of a digital image, composed of individual Red, Green, and Blue - RGB color elements?

The Color Space

Horizontal lines

Vertical lines

Pixel

A

Pixel

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4
Q

Chroma Subsampling is a form of:

HDTV

Color depth

Compression

4K resolution

A

Compression

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5
Q

True or False: Progressive Scanning draws each line sequentially from left to right, creating a full image frame in one pass from top to bottom.

True

False

A

True

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6
Q

Which of the following describes how often the display can redraw the screen to show a new image?

Bit Rate

Refresh Rate

Frame Rate

Data Rate

A

Refresh Rate

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7
Q

Which of the following interfaces renders images as micro packets similar to network data?

DVI

HD-SDI

DisplayPort

Composite

A

Display Port

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8
Q

Which of the following is used for connecting peripheral devices (keyboard, mouse) to computers, as well as for power to charge portable devices?

HD-SDI

USB

Thunderbolt

DVI

A

USB

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9
Q

Which one of the following describes the relationship of width and height of an image?

Data Ratio

Aspect Ratio

Frame Rate

Refresh Rate

A

Aspect Ratio is the relationship of width and height of an image.

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10
Q

Which one of the following measures an image’s width and height using pixels?

Resolution

Refresh Rate

Frame Rate

Aspect Ratio

A

Resolution measures an image’s width and height using pixels.

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11
Q

Which one of the following consists of thin organic layers between two conductors (transparent anode and metallic cathode) that convert electric current into light?

OLED

LCD

LED

CRT

A

An Organic Light Emitting Diode – OLED consists of thin organic layers between two conductors (transparent anode and metallic cathode) that convert electric current into light.

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12
Q

Which one of the following is a reflective surface made up of thousands of tiny mirrors, each representing a single pixel?

CRT

EDID

CMYK

DLP

A

Digital Light Processing - DLP is a reflective surface made up of thousands of tiny mirrors, each representing a single pixel.

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13
Q

Which one of the following is the smallest component of a screen image, composed of individual Red, Green, and Blue - RGB primary colors?

Bit

Dot

Byte

Pixels

A

Pixels are the smallest component of a screen image, composed of individual Red, Green, and Blue - RGB primary colors.

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14
Q

Interlaced scanning may be described as:

A process whereby each video line is scanned sequentially

Electrical signals of constantly fluctuating voltages

Images drawn in two alternate fields as odd & even numbered lines

A full image frame created in one pass from top to bottom

A

Interlaced scanning are images drawn in two alternate fields as odd & even numbered lines.

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15
Q

Which one of the following indicates the amount of data used per pixel to present color information?

Color Bit Depth

Color Display Output

Gamut Parameter

Gradient Value Level

A

Color Bit Depth indicates the amount of data used per pixel to present color information.

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16
Q

Which one of the following is a digital transmission interface for uncompressed video, multi-channel audio, and control data that also supports High-bandwidth Digital Content Protection - HDCP?

HD-SDI
HDMI
S-Video
DVI

A

HDMI is a digital transmission interface for uncompressed video, multi-channel audio, and control data that also supports High-bandwidth Digital Content Protection - HDCP.

17
Q

Which one of the following digital broadcast standards is adopted in Europe, Asia, and Africa?

DVB

DTMB

ATSC

ISDB

A

The Digital Video Broadcasting - DVB standards are adopted in Europe, Asia, and Africa.

18
Q

DVI and HDMI both use a signaling method known as:

HDCP

ATSC

EDID

TMDS

A

DVI and HDMI both use a signaling method known as TMDS.

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