Answer:
Bits
Explanation:
The protocol data unit is the representative unit of data in the OSI layer of a network. The OSI system has seven layers.
The physical layer is the first layer of the system and the protocol data unit is represented as bits of data.
Note that the term packet is the PDU for data in the network layer of the OSI network system.
<em>Answer:</em>
<em>There are three main types of secondary storage in a computer system: solid state storage devices, such as USB memory sticks. optical storage devices, such as CD, DVD and Blu-ray discs. magnetic storage devices, such as hard disk drives.</em>
<em>Explanation:</em>
<span>Computer should perform more creative tasks than AI concepts. It designed some special purposes. But in future all the tasks are done by the single computer with the help of super speed. It should be looks like more than thousands of human being brain and should full fill all the artificial intelligent concepts. computer programs are followed some simple rules-based logic so pattern recognition is really little complex but in future it should be much better than now.
The computer should be save more power . In some cases humans are flexible but computers are too accurate. But in situation based sometimes it should act like human flexibility.
Now the mobile computers are dominated all others because of the people usage.</span>