COMPUTER NETWORKS AND COMMUNICATIONS
NETWORK SECURITY AND CYBERSECURITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A serial port that connect parts of a computer in a system.
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Something you use to charge your computer.
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Software that is used to connect games.
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Something that shuts down your computer when a virus is on it.
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Detailed explanation-1: -It can connect all kinds of external USB devices such as external hard disk, printer, scanner, mouse, keyboard, etc. It was introduced in 1997. Most of the computers provide two USB ports as minimum.
Detailed explanation-2: -The Universal Serial Bus, or USB, is an external port that interfaces between external devices and a computer. The original IBM personal computers had an RS-232 port that connected external devices like a keyboard or mouse. Today, USB ports are replacing RS-232 ports. One may plug most anything into a USB port.
Detailed explanation-3: -Devices that can be connected to the USB port include the mouse, keyboard, digital camera, USB flash drive, scanner etc. There are several versions of the USB port. You can also charge various devices by connecting them to the computer through the USB port.
Detailed explanation-4: -USB, or Universal Serial Bus, is a host-scheduled, token-based serial bus protocol that was designed to replace the multitude of cables and connectors required to connect peripheral devices to a host computer and instead implement a more standardized connection.
Detailed explanation-5: -What Does Serial Port Mean? A serial port is an interface that allows a PC to transmit or receive data one bit at a time. It is one of the oldest types of interfaces and at one time was commonly used to connect printers and external modems to a PC.