Today personal computer is changed to laptop mode. Personal computer is made of CPU, monitor, keyboard, printer and mouse. All input device and output device connected with wire or without wire.
<u>Explanation:</u>
Personal computers are also called as desktop or workstation. These days all become compatible device which is called as laptop.
Basically all input devices and output device are fixed in laptop so end user can carry the laptop and used anywhere.
Laptop is charged and used, whereas desktop or workstation just fixed in the table and used it.
Answer: Preamble
Explanation:
Preamble is a 7- octet pattern of alternating the 0's and 1's and it allow devices in the network to easily synchronized the receiver clock. It also provide the bit level synchronization.
It basically allow the start of frame delimiter to provide the byte synchronization and assign a new frame. The bits are transmit orderly from left to right in the frame.
