Examlex
Which one of the following compounds contains ionic bonds?
DVD-R Disk
A DVD-R Disk is a type of optical storage medium that allows users to record data once; it's typically used for storing videos, files, or backup data.
Central Computer Data
Central Computer Data refers to information that is stored, processed, and managed centrally by a mainframe or central computer system, facilitating efficient data access and management.
Firewalls
Security systems designed to protect networks by controlling incoming and outgoing network traffic based on predetermined security rules.
Computer Network
A set of computers connected together for the purpose of sharing resources and data.
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