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Why external pull up resistor is needed at port 0 for AT89S52 microcontroller?
To limit the amount of current to the ports
IO ports in microcontroller?
I/O ports in microcontrollers are interfaces that allow the microcontroller to communicate with external devices, such as sensors, actuators, and other peripherals. Each port typically consists of multiple pins that can be configured as input or output, enabling the microcontroller to read data from or send data to external components. The configuration can often be changed during operation, allowing for flexible control of connected devices. Additionally, I/O ports may support various functions, such as analog-to-digital conversion or pulse-width modulation, enhancing their utility in embedded applications.
What is the true bidirectional port in 8051 microcontroller?
Port 0 is called true bidirectional port.............. swapneel
When using a Digital multimeter the black lead usually goes into which port?
On a digital multi-meter the black lead connects to the common (COM) port in the meter.
Identifier must be declared with a port mode?
In VHDL, an identifier used to define a port in an entity must be associated with a specific port mode, which indicates how the port will be used. The three primary port modes are in, out, and inout. Specifying a port mode is essential as it defines the direction of data flow: in for input signals, out for output signals, and inout for bidirectional signals. Without declaring a port mode, the VHDL compiler will raise an error, as it cannot determine how to handle the signals connected to that port.
Port used for external wireless NICs?
Typically USB ports are used
Does raspberry pi have internet?
Yes, but if you get Model A you will need to also get an external USB wireless receiver. If you get Model B, an Ethernet port is included, but if you want wireless, you will again need to buy an external receiver.
Is a serial port typically used to connect an external modern?
Yes.
Can a wireless mouse be used on ordinary keyboards?
A wireless mouse requires (typically) a USB port for the receiver. As long as your computer has an open USB port and the drivers to support the device, it doesn't matter what type of keyboard is attached to your computer.
Is wireless networking faster than traditional networking configuration?
Depends on your wireless protocol vs your physical port speed. But typically, a wired connection is best if connecting to the same router.
Suppose you have a computer with its Ethernet port used for a service other that internet. There is no way to combine services to the same router. how can this computer gain access to internet?
The easiest way to solve this problem: use a wireless connection. Many recent computers include a wireless NIC (network interface card), and can connect to wireless networks easily, leaving the Ethernet port free. This will only work, obviously, if this computer has a wireless card and there is a wireless network to connect to.If wireless is not an option, purchasing an additional Ethernet card will upgrade the computer to owning two Ethernet ports. One port can be used for the Internet, the other for this external service.
When a serial port is used by an external modem the serial port is called the?
In the past external modems connected to the COM (or serial) port. However, most modern external hardware is USB these days, modems are no exception.
What is the difference between wireless and wired network?
Wired networks have a wire that connects them to an internet port, wireLESS networks do not.
Will an n router work on older computer?
Typically yes if you wire it directly into the router and your PC has a RJ45/8 pin network card/port, not a 4 or 6 pin phone/modem port. Even wireless should be ok if you have the right wireless adapter for your PC.
What port can be used for an external pointing device?
Usb port
Is the acer aspire one wireless?
The Acer Aspire One is wireless with a WLAN port.
Can the hp touchsmart desktop be wireless?
If computer has an USB port or PCI/X it can be wireless.
