TestOut PC Pro A+ Certification Practice Test

Non-interlaced CRT monitors produce pictures with less flicker compared to interlaced monitors. This is because a non-interlaced display refreshes the entire screen simultaneously with each cycle, providing a complete image every time it refreshes. This continuous refresh reduces the perceived flicker, leading to a clearer and more stable image for the viewer.

In contrast, interlaced CRTs refresh the screen by updating alternating lines in each cycle. This means that it takes multiple cycles to fully refresh the entire screen. The result is that during this refresh process, some lines may not update as quickly, causing visible flicker, especially at lower refresh rates.

While LED and LCD technologies are modern alternatives to CRTs, the question specifically pertains to CRT monitor types. Thus, the focus remains on the difference in the refresh techniques between interlaced and non-interlaced CRTs, which directly influences the level of flicker experienced by the user.