Answer:
The answer is "Option D".
Explanation:
Data storage requires different methods and tools to the dealing with the massive data volumes. It is distinct from only the storage, that relates to short term areas of data storage.
- This system memory, even though the computer is switched off, external storage systems retain information.
- In the sites storage, it uses the cookies to store sites data, that's why except option D all were wrong.
Answer: A)Spin Waiting
Explanation: Spin waiting is the mechanism to wait in a loop till the permission for the entering the critical sector is granted.The permission is granted on the basis of availability of the lock. The loop continues to wait by tending to be in busy waiting situation .
Other options are incorrect because general semaphore is used for solving critical issues and achieving synchronization, critical resource can be used at one time at one certain situation and message passing is used for communication of object by sending and receiving message.Thus, the correct option is option(A).
Answer:
The answer is memory buffer.
Explanation:
Which of the following is a file on the host computer used for temporary memory storage when a sudden surge in memory requirements exceeds the physical amount of memory available?
The answer is memory buffer.
A buffer, also called buffer memory, is a portion of a computer's memory that is set aside as a temporary holding place for data that is being sent to or received from an external device, such as a hard disk drive (HDD), keyboard or printer.
Answer:
The correct answer to the following question will be Option C (PIN).
Explanation:
The PIN is the failsafe system to authenticate in case the identification software is not available. This is a numeric password used only to authenticate a user who has access to the system.
The other three choices aren't in the right answer because they have not been authenticated if image recognition or any other identifying software is unavailable.
Therefore, Option C is the right answer.
Answer:
CPU Central Processing Unit
