Output and Communication Devices (Grade 12 NSC Matric Computer Application Technology): Flashcards

Hardware presenting computer data to users visually or via sound

$1,920 \times 1,080$ pixels

Diagonally in inches ($1$ inch = $2.5$ cm approx.)

$60$ Hz ($60$ updates per second)

Responds to natural movements and adjusts display accordingly

Two channels (left/right) plus one subwoofer

Loudspeaker that reproduces low-frequency sound (bass)

$600$ dpi is sufficient for most users

Connect computers to networks for file sharing and internet

Internal: 1 PC to 1 network; External: multiple devices/types