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Questions and Answers
What is the primary function of a port on a computer?
What is the primary function of a port on a computer?
- To provide power to external devices
- To display visual information
- To connect peripherals to the computer (correct)
- To store data securely
Which of the following is considered a peripheral device?
Which of the following is considered a peripheral device?
- Mouse (correct)
- RAM
- Motherboard
- CPU
When connecting a peripheral device, what is the most important aspect of proper hardware handling?
When connecting a peripheral device, what is the most important aspect of proper hardware handling?
- Placing the device on an uneven surface
- Ensuring the device is powered on
- Connecting and disconnecting with care (correct)
- Using any available cable
Which color cable is described as the closest one connected to the laptop in the image?
Which color cable is described as the closest one connected to the laptop in the image?
What is a common maintenance practice for computer equipment?
What is a common maintenance practice for computer equipment?
What kind of devices cannot function without being connected to a computer?
What kind of devices cannot function without being connected to a computer?
Why is it important to maintain your computer equipment?
Why is it important to maintain your computer equipment?
Which of the following is NOT a peripheral device?
Which of the following is NOT a peripheral device?
Which port is primarily associated with older computers and televisions?
Which port is primarily associated with older computers and televisions?
What is a key feature of the HDMI ports compared to other video ports?
What is a key feature of the HDMI ports compared to other video ports?
What is the main function of the DVI port?
What is the main function of the DVI port?
How many pins does a VGA port connector have?
How many pins does a VGA port connector have?
Which type of devices commonly include mini-HDMI and micro-HDMI ports?
Which type of devices commonly include mini-HDMI and micro-HDMI ports?
What should you avoid when connecting a VGA cable to its port?
What should you avoid when connecting a VGA cable to its port?
What aspect of the DVI port is important for proper cable insertion?
What aspect of the DVI port is important for proper cable insertion?
What is the primary purpose of a computer power cord?
What is the primary purpose of a computer power cord?
What can happen if the power cord is disconnected without shutting down the computer first?
What can happen if the power cord is disconnected without shutting down the computer first?
What type of current does a computer power cord supply from the wall socket?
What type of current does a computer power cord supply from the wall socket?
What is required by laptops to ensure they receive the correct power from wall sockets?
What is required by laptops to ensure they receive the correct power from wall sockets?
Which of the following statements about laptop adapters is true?
Which of the following statements about laptop adapters is true?
Which port type is NOT mentioned as a way to connect devices to computers?
Which port type is NOT mentioned as a way to connect devices to computers?
Which of these actions is advised when handling a computer power cord?
Which of these actions is advised when handling a computer power cord?
What role do USB ports play in connection to computers?
What role do USB ports play in connection to computers?
哪些电缆的类型主要用于连接计算机与网络设备？
哪些电缆的类型主要用于连接计算机与网络设备？
What is the consequence of using a non-specific power adapter for a laptop?
What is the consequence of using a non-specific power adapter for a laptop?
Which version of Thunderbolt transmits data at a faster rate?
Which version of Thunderbolt transmits data at a faster rate?
What symbol is typically found on Thunderbolt cables and ports?
What symbol is typically found on Thunderbolt cables and ports?
What is the first step to safely disconnect a USB device using the taskbar?
What is the first step to safely disconnect a USB device using the taskbar?
Which method involves using a pop-up menu to eject a USB device?
Which method involves using a pop-up menu to eject a USB device?
Which option should be selected from the pop-up menu to eject a device?
Which option should be selected from the pop-up menu to eject a device?
What is the purpose of the Show/hide icon on the taskbar?
What is the purpose of the Show/hide icon on the taskbar?
How is Thunderbolt 2.0 different from Thunderbolt 3.0?
How is Thunderbolt 2.0 different from Thunderbolt 3.0?
Which of the following is NOT a step in ejecting a USB device from the Explorer folder?
Which of the following is NOT a step in ejecting a USB device from the Explorer folder?
What is the common use for a USB Type-C port?
What is the common use for a USB Type-C port?
Which of the following figures represents the Thunderbolt 3.0 connector and cable?
Which of the following figures represents the Thunderbolt 3.0 connector and cable?
What is the primary function of a USB Type B port?
What is the primary function of a USB Type B port?
Which USB port type is typically used for faster data transfers?
Which USB port type is typically used for faster data transfers?
Which of the following is NOT a size of USB port mentioned?
Which of the following is NOT a size of USB port mentioned?
What color is a USB 2.0 Type A port generally associated with?
What color is a USB 2.0 Type A port generally associated with?
USB Type A ports are commonly used to connect which of the following devices?
USB Type A ports are commonly used to connect which of the following devices?
What distinguishes USB Type-C ports from USB Type A and B ports?
What distinguishes USB Type-C ports from USB Type A and B ports?
What type of devices would you unlikely connect using USB Type B ports?
What type of devices would you unlikely connect using USB Type B ports?
Which ports are becoming rarer in modern equipment?
Which ports are becoming rarer in modern equipment?
Which color is NOT associated with PS2 ports?
Which color is NOT associated with PS2 ports?
What is the most notable advantage of USB 3.0 over USB 2.0?
What is the most notable advantage of USB 3.0 over USB 2.0?
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Study Notes
Common Computer Ports and Cables
- Ports are physical docks for connecting peripheral devices to computers.
- Peripheral devices include keyboards, mice, printers, projectors, flash drives, speakers, and microphones.
Types of Ports and Cables
- Computer Power Cords: Supply power from AC wall sockets; laptops need specific adaptors for wattage.
- Universal Serial Bus (USB) Ports: Rectangular ports used for most peripherals; available in three types: Type A, Type B, and Type-C.
- USB Type A: Standard connector; includes USB 2.0 (black) and USB 3.0 (blue) with data transfer speed differences.
- USB Type B: Primarily connects computers to printers.
- USB Type-C: Uses Thunderbolt technology for faster data transfer; identified by lightning bolt symbol.
Safely Disconnecting USB Devices
- Two methods exist:
- Use Show/hide icon on the taskbar or right-click in Explorer folder and select Eject for safe removal.
Video Ports and Cables
- Major video ports include VGA, DVI, HDMI, and DisplayPort.
- VGA Ports: 15-pin connectors found on older devices; must be inserted directionally to avoid damage.
- DVI Ports: Provides high-speed digital connection between computer and monitor, insertion requires correct orientation.
- HDMI Ports: Standard on most new devices; available in standard, mini, and micro sizes.
- DisplayPort: Offers superior picture quality and higher resolution than HDMI.
Emerging Technology
- USB 4.0 Technology: Expected to provide 10,000 Mbps transfer speeds, significantly faster than USB 3.0.
Audio Ports and Cables
- Audio ports connect speakers, microphones, and headphones, typically using 3.5 mm jacks.
- Port Colors:
- Pink: Microphone
- Green: Speakers/Headphones
- Blue: In-line port for playback and recording.
- Additional colors (grey, black, orange) may indicate surround sound capabilities.
- Port Colors:
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