Question

Find the odd one.

• A. PS/2
• B. SMPS
• C. USB
• D. VGA

Answer 1

Answer:

B. SMPS

• A) PS/2, C) USB, D) VGA are all types of ports or interfaces used to connect peripheral devices (like keyboards, mice, monitors) or transfer data.

  • PS/2 (Personal System/2) is an older standard for connecting a keyboard or mouse.

  • USB (Universal Serial Bus) is a standard for connection, communication, and power supply between devices.

  • VGA (Video Graphics Array) is a standard analog interface used for connecting a monitor or display.

• B) SMPS (Switched-Mode Power Supply) is a type of power supply unit that efficiently converts AC mains power to lower-voltage DC power for the internal components of a computer. It is a core internal component, not an external connection port.