MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

CLOUD COMPUTING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Secondary storage is used for ____
A
Storing data being used by the computer
B
Storing programs to be used immediately by the arithmetic and logic unit
C
Long-term storage of data
D
Storing programs being executed
Explanation: 

Detailed explanation-1: -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: -Secondary storage is non-volatile, long-term storage. It is used to keep programs and data indefinitely. Without secondary storage all programs and data would be lost the moment the computer is switched off.

Detailed explanation-3: -Flash drives and external hard drives External hard drives are a well-established long-term storage solution. All you need to do is copy your data to the connected drive in the same way you would copy a file from one folder to another. Flash drives like USBs and memory cards are a kind of flash storage.

Detailed explanation-4: -Secondary storage, sometimes called auxiliary storage, is non-volatile and is used to store data and programs for later retrieval. There are many kinds of secondary storage, each with advantages and disadvantages. Most storage devices use either magnetic or optical storage media.

Detailed explanation-5: -Typically, secondary storage allows for the storage of data ranging from a few megabytes to petabytes. These devices store virtually all programs and applications stored on a computer, including the operating system, device drivers, applications and general user data.

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