EMERGING TRENDS IN SOFTWARE ENGINEERING
CLOUD COMPUTING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Storing data being used by the computer
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Storing programs to be used immediately by the arithmetic and logic unit
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Long-term storage of data
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Storing programs being executed
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Detailed explanation-1: -What is Secondary Storage? Secondary storage refers to internal or external storage devices used to store non-critical and infrequently accessed data for long periods of time. It differs from primary storage e.g. RAM, cache, which stores data, applications, and instructions that are currently in use by the computer.
Detailed explanation-2: -Hard Disk Drives (HDDs) The hard disk drive (HDD) is the original hard drive. These magnetic storage devices have been around since the 1950s, though they’ve evolved over time. HDDs are used for TV recorders, servers, and laptop and PC storage.
Detailed explanation-3: -Secondary storage devices are typically used for data backups, disaster recovery, and long term storage of critical files. The three main types of secondary storage are: magnetic storage, optical storage, and solid state storage.
Detailed explanation-4: -Secondary storage is commonly used to store backup data that comes from primary storage. The data is copied from the primary storage system to the secondary storage system through the use of replication or other data protection and recovery techniques.