TestOut LabSim A+ Certification Practice Exam

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What type of connector should be looked for in a CRT to LCD monitor swap?

D-shaped with 15 pins
Cylindrical with 4 pins
Flat and rectangular
Screw-type with 3 pins

The correct answer is: D-shaped with 15 pins

The correct answer, which refers to a D-shaped connector with 15 pins, is based on the understanding of video connections commonly used for monitors. This specific connector is known as a VGA (Video Graphics Array) connector, which has been traditionally used for CRT (Cathode Ray Tube) monitors. When swapping a CRT monitor for an LCD (Liquid Crystal Display) monitor, one would typically look for a VGA connection because many older LCD monitors also support VGA inputs. The D-shaped connector, due to its design and the number of pins, allows for the transmission of analog video signals, which is essential for connecting video graphics cards to displays, especially in setups that are transitioning from CRT to LCD technology. Other connector types mentioned serve different purposes or are associated with different technologies. The cylindrical connector with 4 pins is often used for audio connections, not video. The flat and rectangular connector is likely a reference to HDMI or similar digital interfaces, which may not be found on all older monitors. The screw-type connector with 3 pins may pertain to power connections or specialized RS-232 serial connections, not for video output. Thus, the D-shaped 15-pin connector is the standard interface to look for during such a monitor swap.