Computer Ports, USB Standards & Expansion Cards Flashcards
What is the primary purpose of a port on a computer?
To connect external devices like peripherals (e.g. keyboard, mouse, monitor).
What type of connector is usually blue and used to connect monitors to a PC?
VGA (Video Graphics Array)
What digital video port replaced VGA and is shaped like a flattened rectangle?
HDMI (High-Definition Multimedia Interface)
What is the function of DisplayPort and how does it compare to HDMI?
DisplayPort transmits audio and video like HDMI but is often used in professional settings
Which port is typically used for audio input/output, like headphones or speakers?
3.5mm Audio Jack
What port is typically used for network connections?
Ethernet (RJ-45)
What is a PS/2 port used for?
Connecting older keyboards and mice (usually color-coded purple and green)
What does USB stand for?
Universal Serial Bus
What’s the difference between USB 2.0 and USB 3.0?
USB 3.0 is faster (up to 5 Gbps) and often has a blue tab; USB 2.0 is slower (480 Mbps).
What does the blue color inside a USB port usually indicate?
USB 3.0 (SuperSpeed)
What type of USB is reversible and supports the latest high-speed data transfer?
USB-C
What devices commonly used Micro-USB and Mini-USB?
Older smartphones, cameras, and game controllers
What is USB-C often used for besides data?
Power delivery and video output (can replace HDMI/DisplayPort in some devices)
What are expansion cards used for?
To add additional features like graphics, sound, or networking to a computer.
What does PCIe stand for?
Peripheral Component Interconnect Express
What is a common use for a PCIe x16 slot?
Installing a graphics card (GPU)
What expansion card improves video output for games or creative software?
Graphics Card (GPU)
Which card would you install to add Wi-Fi to a desktop computer?
Wireless Network Interface Card (NIC)
What expansion card allows a computer to send audio to external speakers or record high-quality audio?
Sound Card
