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UART is a type of serial chip. Its letters stand for:
UART stands for universal asynchronous receiver / transmitter and defines a protocol, or set of rules, for exchanging serial data between two devices. UART is very simple and only uses two wires between transmitter and receiver to transmit and receive in both directions. Both ends also have a groundRead more
UART stands for universal asynchronous receiver / transmitter and defines a protocol, or set of rules, for exchanging serial data between two devices. UART is very simple and only uses two wires between transmitter and receiver to transmit and receive in both directions. Both ends also have a ground connection.
See lessWhich step should you perform first before discharging a CRT?
Turn power off before removing power source
Turn power off before removing power source
See lessWhich monitor would provide the highest level of performance?
It monitors various activities on a computer such as CPU or memory usage. This type of application may be used to determine the cause of problems on a local or remote computer by measuring performance of hardware, software services, and applications.
It monitors various activities on a computer such as CPU or memory usage. This type of application may be used to determine the cause of problems on a local or remote computer by measuring performance of hardware, software services, and applications.
See lessA hard disk is divided into tracks which are further subdivided into:
Sectors The correct answer is Sectors. Tracks are frequently used to split the surfaces into concentric rings. Sectors are used to split tracks. On a disc, a sector is the smallest memory unit.
Sectors
See lessThe correct answer is Sectors. Tracks are frequently used to split the surfaces into concentric rings. Sectors are used to split tracks. On a disc, a sector is the smallest memory unit.
COM1 is typically represented by which of the following?
COM1 is typically represented by 9 pin male port
COM1 is typically represented by 9 pin male port
See lessWhich of the following items would require you to comply with EPA disposal guidelines?
Batteries are considered hazardous waste and must be disposed of properly. They can contain harmful chemicals that can pollute the environment if they are not disposed of properly.
Batteries are considered hazardous waste and must be disposed of properly. They can contain harmful chemicals that can pollute the environment if they are not disposed of properly.
See lessWhat device protects against line deficiencies?
Most UPS devices also act as line conditioners, protecting from over and under-voltage; they condition (or regulate) the voltage sent to the computer.
Most UPS devices also act as line conditioners, protecting from over and under-voltage; they condition (or regulate) the voltage sent to the computer.
See less"Parity" errors usually indicate bad memory.
Repeated parity errors in SRAM indicate either defective SRAM chips, or a defective network module that has written bad parity in the SRAM.
Repeated parity errors in SRAM indicate either defective SRAM chips, or a defective network module that has written bad parity in the SRAM.
See lessThe DC voltage on most circuit boards is:
There are a variety of DC voltage levels, typical values are 1.2, 1.5, 3, 3.3, 3.6, 5, 6, 10, 12, 15, 18, 18.5, 19, 20, 24, and 48 Volts. An ideal DC supply should provide a constant voltage and adequate current throughout the operation of the equipment.
There are a variety of DC voltage levels, typical values are 1.2, 1.5, 3, 3.3, 3.6, 5, 6, 10, 12, 15, 18, 18.5, 19, 20, 24, and 48 Volts. An ideal DC supply should provide a constant voltage and adequate current throughout the operation of the equipment.
See lessA customer attached an external drive to his notebook computer but the computer is not recognizing it. What should be considered?
The cables are attached firmly The external drive has been pre¬loaded with the appropriate software The external drive was attached before the computer was on The external drive is turned on
The cables are attached firmly
See lessThe external drive has been pre¬loaded with the appropriate software
The external drive was attached before the computer was on
The external drive is turned on