Question

D) Write about the following : [2x5=10] 1)VGA Port
2)Wireless Mouse
3)Paralled Port
4)Trackball Mouse
5)USB Port​

Answer 1

1) VGA:-Video Graphics Array) VGA is an analog interface between a PC and monitor that was widely used prior to DVI, HDMI and DisplayPort. ... New LCD monitors may include a VGA port for legacy PCs, and PCs may have a VGA port for legacy monitors.

2) Wireless mouse:-A cordless mouse, also called a wireless mouse, is a mouse that connects to a computer without the use of wires. Instead, the mouse uses some manner of wireless technology, like Bluetooth, RF, or infrared radio waves. Usually, a USB receiver is plugged into the computer and receives signals from the cordless mouse.

3) Paralled port:-Parallel ports (also known as printer or Centronics ports) were traditionally used to connect printers. ... All parallel ports are capable of bidirectional data flow. However, the original Centronics design, used on the first IBM PCs, was not designed for efficient data transfer back to the computer.

4) Trackball mouse:-A trackball is a pointing device consisting of a ball held by a socket containing sensors to detect a rotation of the ball about two axes—like an upside-down mouse with an exposed protruding.

5)USB port:-Universal Serial Bus is an industry standard that establishes specifications for cables and connectors and protocols for connection, communication and power supply between computers, peripherals and other computers.

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Answer 2

VGA Port : The Video Graphics Array connector is a standard connector used for computer video output. Originating with the 1987 IBM PS/2 and its VGA graphics system, the 15-pin connector went on to become ubiquitous on PCs, as well as many monitors, projectors and high definition television sets.

Wireless Mouse : A mouse that connects to the computer without a cord. They can also be used with a computer that has Bluetooth from the factory or via an adapter. Wireless mice that use other radio frequencies (RF) come with their own transceiver that plugs into the USB port of the computer. Contrast with wired mouse.

Paralled Port : In computing, a parallel port was a type of interface found on computers (personal and otherwise) for connecting peripherals. The name refers to the way the data is sent; parallel ports send multiple bits of data at once (parallel communication), as opposed to serial communication, in which bits are sent one at a time.

Trackball Mouse : A trackball is a pointing device consisting of a ball held by a socket containing sensors to detect a rotation of the ball about two axes—like an upside-down mouse with an exposed protruding ball. The trackball's buttons may be situated to that of a mouse or to a unique style that suits the user.

USB Port : Universal Serial Bus is an industry standard that establishes specifications for cables and connectors and protocols for connection, communication and power supply between computers, peripherals and other computers.

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