Cable types Flashcards
What does USB stand for?
Universal Serial Bus
What is the primary function of USB?
Connects various devices, providing data transfer and power delivery capabilities
What is a key advantage of USB over serial connections?
Allows up to 127 devices to be connected to a single port through daisy-chaining
What is the maximum data transfer speed of USB 1.0?
1.5 Mbps
Fill in the blank: USB 2.0 is known as ______.
High-Speed USB
What is the maximum data transfer speed of USB 3.0?
5 Gbps
What is the maximum cable length for USB 1.1 and USB 2.0?
5 meters (15 feet)
What power output do USB 1.0 and USB 2.0 ports provide?
500 mA (0.5A)
True or False: USB 3.0 ports deliver more power than USB 2.0 ports.
True
What is the maximum power output of dedicated powered USB ports labeled as PD?
1.5A (7.5 watts)
What can happen when using longer USB cables?
Signal deterioration and reduced speeds
Fill in the blank: USB 4.0 is capable of speeds up to ______.
40 Gbps
What is a practical limitation when connecting multiple devices to a single USB port?
Bandwidth is shared across all devices
What should you prefer for charging devices for faster charging?
Wall outlets
What is the main use of serial connections?
Connecting older mice, keyboards, and external modems
Fill in the blank: USB 3.1 Gen 2 reaches speeds of ______.
10 Gbps
How many devices could be connected using serial connections?
One device per port
What is a best practice for ensuring maximum speed and signal integrity in USB usage?
Use shorter cables
What should be used for multiple high-power devices to maintain performance?
Powered USB hubs
What significant improvements do USB cables provide over older serial connections?
Higher speeds, multi-device support, and power delivery
USB technology has evolved significantly to enhance data transfer and connectivity.
Which USB version is the fastest and most powerful?
USB 4.0
USB 4.0 supports higher speeds and more power than its predecessors.
How does the length of a USB cable affect its performance?
The length affects performance, particularly in data transfer speed and power delivery capabilities
Longer cables may result in signal degradation.
What is the shape of a USB Type A connector?
Flat rectangular
USB Type A connectors are designed for one-directional connection.
Where is USB Type A commonly found?
On desktops and laptops
USB Type A is one of the most widely used connector types.
What type of devices commonly use USB Type B connectors?
Larger devices like printers
USB Type B is designed for devices that require a more secure connection.
What is the shape of the Type B Micro Connector?
Shorter and skinnier version
Used for wearables and small electronic devices.
How do USB 3 Type B connectors differ from USB 2 Type B connectors?
USB 3 Type B connectors have an additional rectangular section on top
This design allows for higher data transfer rates.
What is a unique feature of USB Type C connectors?
Reversible design
USB Type C connectors can be inserted in either direction, enhancing usability.
What are the common types of video cables?
- HDMI
- DisplayPort
- DVI
- VGA
- Thunderbolt
- USB Type-C
Video cables are essential for connecting devices to displays.
What does HDMI stand for?
High Definition Multimedia Interface
HDMI supports both video and audio signals.
What is the maximum resolution supported by HDMI cables?
Up to 8K
HDMI also supports various refresh rates including 60, 120, and 144 Hz.
What is the standard HDMI connector type used in most devices?
Type A
Type A is the most common HDMI connector.
What does HDCP stand for and what is its purpose?
High-bandwidth Digital Content Protection; to secure transmission of copyrighted content
HDCP is crucial for protecting digital media.
What is the difference between Standard and High-Speed HDMI cables?
Standard supports up to 1080p, High-Speed supports higher resolutions including 4K and 8K
High-Speed cables can achieve speeds up to 48 Gbps.
What is DisplayPort (DP)?
An open-standard video interface developed by VESA to compete with HDMI, offering high-speed video and audio transmission.
DisplayPort is designed for high-performance video and audio connections.
What are common uses of DisplayPort?
PC monitors, professional graphics applications, and high-end gaming.
DisplayPort is widely used in professional environments requiring high-resolution displays.
What are the connector types for DisplayPort?
- Full-size DisplayPort
- Mini DisplayPort (MiniDP/mDP)
Full-size DP includes a locking mechanism, while MiniDP is used in compact devices.
What features does DisplayPort support?
- Supports up to 4K resolution and beyond
- Data transfer speeds up to 20 Gbps
- Backward compatibility with HDMI and DVI using adapters
This makes DisplayPort versatile for modern displays.
What is DVI (Digital Visual Interface)?
An older standard that supports both analog and digital video signals.
DVI is commonly found in older monitors and legacy systems.
What are the connector types for DVI?
- DVI-A: Supports analog signals only
- DVI-D: Supports digital signals only
- DVI-I: Supports both analog and digital signals
These types cater to different signal requirements.
What are the features of DVI?
- Limited to 1080p resolution
- No native support for audio
DVI primarily focuses on video output.
What is VGA (Video Graphics Array)?
An analog video connection standard, widely used before digital connections became dominant.
VGA is largely outdated but still found in legacy systems.
What are the common uses of VGA?
Older computers, projectors, and government or industrial legacy systems.
VGA connections are still in use in specific scenarios despite being less common.
What are the characteristics of the VGA connector?
15-pin D-sub connector in a trapezoidal shape, carrying analog signals for red, green, and blue colors separately.
The design of the connector is specific to its analog function.
What are the limitations of VGA?
- Maximum resolution of 640x480 pixels
- Susceptible to signal degradation and interference over long distances
These limitations hinder its use in modern applications.
What is Thunderbolt?
A high-speed interface developed by Intel and Apple that supports video, data, and power over a single connection.
Thunderbolt is designed for high-performance applications.
What are the common uses of Thunderbolt?
High-performance laptops, professional workstations, and data storage devices.
Thunderbolt technology is favored in demanding computing environments.
What versions of Thunderbolt exist?
- Thunderbolt 1 and 2: Use Mini DisplayPort connectors
- Thunderbolt 3 and 4: Use USB Type-C connectors, offering speeds up to 40 Gbps
Each version has different connector types and speed capabilities.
What are the features of Thunderbolt?
- Compatible with DisplayPort and USB-C devices
- Short cable lengths (up to 0.5 meters for max speeds)
These features enhance its performance and compatibility.
What is USB Type-C?
A versatile connector that supports video, data, and power delivery.
USB Type-C is becoming the standard for modern electronic devices.
What are common uses of USB Type-C?
Modern laptops, tablets, smartphones, and docking stations.
USB Type-C is widely adopted due to its versatility.
What features does USB Type-C support?
- Supports DisplayPort Alternate Mode for video transmission
- Reversible connector design for easy plug-in
- Capable of supporting 4K and 8K video resolutions
USB Type-C’s design simplifies connectivity.
What are the advantages of USB Type-C?
- Reduces cable clutter by combining power, video, and data into a single connection
- Widely adopted in modern electronics
This makes USB Type-C a preferred choice for many users.
What key considerations should be made for video cables?
- Resolution Compatibility
- Refresh Rates
- Connector Compatibility
- Cable Length
Each consideration affects the performance and quality of the video connection.
Fill in the blank: Ensure the cable supports the desired _______.
[resolution]
Common resolutions include 1080p, 4K, and 8K.
Fill in the blank: Choose cables that match the display’s _______.
[refresh rate]
Refresh rates include 60 Hz, 120 Hz, and 144 Hz.
Fill in the blank: Use adapters or compatible cables when connecting older devices to _______.
[newer displays]
Compatibility is crucial for successful connections.
Fill in the blank: Longer cables may degrade _______ quality.
[signal]
This is particularly true for high-speed connections.
