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.
I would think option A.
b doesn't give enough information and c would go under last work experience
This includes application software<span> such </span>as<span> a word processor, which enables a user to perform a task, and system </span>software<span> such </span>as<span> an operating system, which enables other </span>software<span> to run properly, by interfacing with hardware and with other </span>software<span>.
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Computer hardware<span> is the collection of physical parts of </span>a computer system<span>. This includes </span>the computer<span> case, monitor, keyboard, and mouse. It also includes all the parts inside </span>the computer<span> case, such </span>as<span> the hard disk drive, motherboard, video card, and many others. </span>Computer hardware<span> is what you can physically touch.
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