Answer:A VDU (also known as a VDT or DSE) is the accepted term for the monitor screen used with most computer or workstations. Long-term use of a VDU can lead to discomfort such as sore or tired eyes and it is recommended that VDU users take a short rest from the screen during every hour of use.
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Answer:
Option b is the correct answer for the above question.
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RAID is a data storage technology that is used to store the data virtually. It keeps a copy of all data so that the data can be recover when it lost from the physical storage. Generally, logical storage is also physical for the computer system. It means that the disk is divided into two parts some parts of the system are physical and some are logical.
The question asked about the technology which solves the problem of interrupting the service. The technology can be RAID as described above . hence Option b is the correct answer while other is not because--
- Option 'a' states about RFID technology which use in an electromagnetic field.
- Option c states about WPA which is a protection mechanism.
- Option d states about OnTrack which is not a technology.
Answer:
Black is the absence of all light. Things appear black when they do not reflect or emit light. White is the presence of all colors of visible light. Objects appear white when they reflect or emit all wavelengths of visible light (or at least three wavelengths - Red, Blue and Green - in equal intensity).
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"Data center" is the correct answer for the above question.
Explanation:
- The data center is a hub or a house that is used to hold the computers and the hardware of storage to store the database.
- The database is the collection of data that is stored for the future prospective.
- The database can be unstructured or structured, but all are stored in the hardware of the computer system and that type of computer system is stored on the particular place that stores the data is known as a data center.
- The above concept is also asked by the question. Hence the answer is data center.
Answer: Technology has placed at the disposal of the healthcare community various potent tools to improve patient care. Since EHRs are easily available to physicians, they can access complete medical histories of patients and make the most well-considered medical decisions.
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