Answer:
The three types of user mode to the kernel mode transferred occurred due to the:
- It is mainly occurred due to the interrupt when, it send to the central processing unit (CPU).
- It also occurs due to the hardware exception and when the memory is access illegally as it is divided by the zero.
- It is mainly implemented or executed by the trap instruction as the system are basically executed by the program.
Answer:
Check the explanation
Explanation:
when calculating the total time to send the I bits of information or The packet delivery time or latency which can be said to be the amount of time from when the first bit leaves the point of transmission until the last is received. When it comes to a physical link, it can be computed or determined as: Packet delivery time = Transmission time + Propagation delay.
Kindly check the attached image below to get the step by step explanation to the above question.

The correct answer is A. true.
It was written in 1948 by the bureau of Labor statistics .
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The SQL is used to change a table's structure by:
The use of the SQL ALTER TABLE command.
<h3>How is it done?</h3>
The SQL ALTER TABLE command is known to be that which is often used to alter the structure of an existing table.
It is known to help one to be able to add or delete columns, make or destroy indexes, alter the kinds of existing columns, rename columns or the table itself.
Note that It can also be used to alter the comment for any kind of table and type of the table therein.
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Answer:Conversion disorder
Explanation:Its a mental condition that affects the nervous system.