Examlex
In a 35.0-mm single lens reflex camera (SLR) ,the distance from the lens to the film is varied in order to focus on objects at varying distances.Over what distance range must a lens of 55-mm focal length vary if the camera is to be able to focus on objects ranging in distance from infinity down to 0.60 m from the camera?
Data Integrity
When the data in a database is accurate and reliable.
Security
Measures and protocols that are implemented to protect information, computer systems, networks, and data from unauthorized access, attacks, or damage.
Connectionless Protocol
A protocol that a host computer can use to send data over the network without establishing a direct connection with any specific recipient computer.
Protocol
A set of rules or standards designed to enable computers to connect and transmit data across networks.
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