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Which hardware component controls serial port communications?
Hardware. Modern devices use an integrated circuit called a UART to implement a serial port. This IC converts characters to and from asynchronous serial form, implementing the timing and framing of data specified by the serial protocol in hardware.
Hardware. Modern devices use an integrated circuit called a UART to implement a serial port. This IC converts characters to and from asynchronous serial form, implementing the timing and framing of data specified by the serial protocol in hardware.
See lessWhat command is used to hand up a MODEM when using the "AT Answer Command set"?
Command Syntax Function H0 ATH0 Hang up (go on-hook) H1 ATH1 Pick up (go off-hook) I0 ATI0 Display the 4-digit product code
Command Syntax Function
See lessH0 ATH0 Hang up (go on-hook)
H1 ATH1 Pick up (go off-hook)
I0 ATI0 Display the 4-digit product code
What should he used to extinguish a computer fire?
Carbon Dioxide (CO2 Extinguishers) Carbon Dioxide (CO2 Extinguishers) Carbon dioxide fire extinguishers are the primary extinguisher used in extinguishing electrical fires. You will often find CO2 extinguishers in computer server rooms or areas where a large number of electrical devices exist.
Carbon Dioxide (CO2 Extinguishers)
Carbon Dioxide (CO2 Extinguishers)
Carbon dioxide fire extinguishers are the primary extinguisher used in extinguishing electrical fires. You will often find CO2 extinguishers in computer server rooms or areas where a large number of electrical devices exist.
See lessIn ROM BIOS, the acronym BIOS stands for:
The BIOS (Basic Input Output System) close BIOSBasic input output system - the basic firmware that is embedded in the computer ROM chip used to start a computer. is an example of a program that is stored in ROM. The BIOS runs as soon as the computer is switched on.
The BIOS (Basic Input Output System) close BIOSBasic input output system – the basic firmware that is embedded in the computer ROM chip used to start a computer. is an example of a program that is stored in ROM. The BIOS runs as soon as the computer is switched on.
See lessWhat command is used to reset a MODEM when using the
Command Syntax Function Z0 ATZ0 Reset the modem according to the settings of ATY Z1 ATZ1 Reset the modem and use &W settings Z2 ATZ2 Reset the modem and use &W1 settings Z3 ATZ3 Reset the modem using &F settings and load factory default profile 1
Command Syntax Function
See lessZ0 ATZ0 Reset the modem according to the settings of ATY
Z1 ATZ1 Reset the modem and use &W settings
Z2 ATZ2 Reset the modem and use &W1 settings
Z3 ATZ3 Reset the modem using &F settings and load factory default profile 1
Modems use _____ transmission.
analog transmission A modulator-demodulator or modem is a computer hardware device that converts data from a digital format into a format suitable for an analog transmission medium such as telephone or radio.
analog transmission
See lessA modulator-demodulator or modem is a computer hardware device that converts data from a digital format into a format suitable for an analog transmission medium such as telephone or radio.
During the boot process, a system first counts memory from where?
When we turn on the power, the first step in the booting process is to load the BIOS. The power supply provides electricity to essential components, including the processor and BIOS.
When we turn on the power, the first step in the booting process is to load the BIOS. The power supply provides electricity to essential components, including the processor and BIOS.
See lessAfter you service a laser printer, you notice dirty print. Which of the following would correct the problem.
the answer is Run several blank pages
the answer is Run several blank pages
See lessYou have just installed a new internal PCI modem on you desktop. It will not dial out. what is the problem?
The port speed is set too high.
The port speed is set too high.
See lessWhat component would most likely cause a "parity error"?
Settings are parameters that control the behavior and performance of the hardware, such as the IRQ, DMA, I/O address, or memory address. Conflicting settings can cause hardware conflicts, as they may assign the same resources or channels to different devices, resulting in collisions or interference.
Settings are parameters that control the behavior and performance of the hardware, such as the IRQ, DMA, I/O address, or memory address. Conflicting settings can cause hardware conflicts, as they may assign the same resources or channels to different devices, resulting in collisions or interference.
See less