Port options for computers and mobile devices: The port options that are needed for computers and mobile devices are as follows: Displays: There are four port options that are needed to connect the computer and mobile devices to display devices such as monitor and projector. The four ports are Digital Visual Interface port (DVI), Video Graphics Array (VGA) port, High Definition Multimedia Interface port (HDMI), and DisplayPort. Networking: Ethernet port is used to connect the computer and mobile devices to a wired network...

Question

Write .php file that saves car booking and displays feedback. There are 2 buttons, which are <Book it> <Select a date>. <Select a date> button gets an input from the user, start date and an end date. Book it button can be pressed only if the start date and ending date are chosen by the user. If successful, it books cars for specific dates, with bookings saved. Booking should be in the .json file which contains all the bookings, and have the following information: Start Date. End Date. User Email. Car ID. If the car is already booked for the selected period, a failure message should be displayed, along with a button to return to the homepage. In the booking.json file, if the Car ID and start date and end date matches, it fails Use AJAX: Save bookings and display feedback without page refresh, using a custom modal (not alert).

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Chapter 6, Problem 31SG

Explanation of Solution

Port options for computers and mobile devices:

The port options that are needed for computers and mobile devices are as follows:

Displays:

There are four port options that are needed to connect the computer and mobile devices to display devices such as monitor and projector.

The four ports are Digital Visual Interface port (DVI), Video Graphics Array (VGA) port, High Definition Multimedia Interface port (HDMI), and DisplayPort.

Networking:

Ethernet port is used to connect the computer and mobile devices to a wired network...

Explanation of Solution

Functions of each port options:

Port functions of displays: The four port options that are needed for displays are as follows:

DVI port:

Full form of DVI is Digital Visual Interface.

It is a video display interface.

This port is used for transmitting digital video content to display devices.

Common display devices are computer monitors and projectors.

VGA port:

Full form of VGA is Video Graphics Array.

This port is used to transmit only a video signal from a device to a display.

HDMI port:

Full form of HDMI is High Definition Multimedia Interface.

This port is the interface standard.

This port is used to transmit both digital video and audio signals from a device to a display.

Display port:

It is a digital display interface.

It is mainly used to connect a video source to a display device such as a computer monitor.

It is also able to carry audio signal and other forms of data.

Port functions of networking: Ethernet port is needed for networking that is for a wired computer network.

Functions of Ethernet port:

It is also called local area network (LAN) port or network connection, or network port...

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