Computer Ports - Study for CompTIA A+ Updated Question and Answers [100% Correct]
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Module
CompTIA
Institution
CompTIA
Computer Ports - Study for CompTIA A+
Updated Question and Answers [100%
Correct]
What is the function of a USB port?
A USB port is used to connect peripherals like keyboards, mice, printers, and external storage
devices to a computer for data transfer and power supply.
What type of c...
Computer Ports - Study for CompTIA A+
Updated Question and Answers [100%
Correct]
What is the function of a USB port?
A USB port is used to connect peripherals like keyboards, mice, printers, and external storage
devices to a computer for data transfer and power supply.
What type of connector is used for a VGA port?
A VGA port uses a 15-pin D-sub connector, typically used for connecting monitors to computers.
What is the maximum distance for a USB 2.0 connection?
The maximum length for a USB 2.0 cable is 5 meters (16 feet) without signal degradation.
What is the difference between a Serial (RS-232) port and a Parallel port?
A serial port transmits data one bit at a time over a single wire, while a parallel port transmits
multiple bits at once over multiple wires.
What type of cable is used for a Thunderbolt 3 port?
Thunderbolt 3 uses a USB-C cable, capable of high-speed data transfer and power delivery, as
well as video output.
What is the main purpose of an HDMI port?
An HDMI port is used to transmit high-definition video and audio signals to external devices like
monitors, TVs, or projectors.
What does the Ethernet port (RJ45) do?
The Ethernet port (RJ45) is used for wired network connections, typically for local area networks
(LANs), allowing devices to communicate over the internet or local networks.
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, How do you distinguish between a PS/2 keyboard and a PS/2 mouse connector?
A PS/2 keyboard connector is typically purple, while a PS/2 mouse connector is typically green.
What is the function of the DisplayPort?
DisplayPort is a digital display interface used for connecting monitors to computers, supporting
high-definition video and audio output.
What is a common use of a 3.5mm audio jack?
A 3.5mm audio jack is commonly used to connect headphones, microphones, or speakers to a
computer or other audio devices.
How does a FireWire port differ from a USB port?
A FireWire port (IEEE 1394) is designed for high-speed data transfer, commonly used for video
editing or connecting external devices like cameras, while USB is more universal and supports a wider
range of devices.
What is the maximum speed of a USB 3.0 port?
USB 3.0 supports a maximum data transfer rate of 5 Gbps (gigabits per second).
What type of cable does an eSATA port use?
An eSATA port uses an external SATA (Serial ATA) cable, typically used for connecting external
storage devices like hard drives.
What is the purpose of an RJ11 port?
An RJ11 port is typically used for telephone line connections, most often for connecting landline
phones or modems.
What is a DVI port used for?
A DVI (Digital Visual Interface) port is used for connecting computer monitors to the computer,
supporting digital and analog video signals.
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