A digital-to-analog converter (DAC):
A) monitors the digital representation of an analog value during the computer's program execution.
B) converts the digital output of a computer to a corresponding analog representation, usually voltage or current.
C) converters a digital value to a representative physical analog value such as pressure or temperature.
D) converts the analog input from a transducer or some other device to a representative digital input for a computer or some other digital device.
B
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Answer the following statement(s) true (T) or false (F)
1. Most of the pressure switches used for air conditioning are operated by a bellows. 2. In a high-pressure switch, the bellows is connected to the suction side of the compressor. 3. The low-pressure switch is connected to the discharge side of the compressor. 4. Most of the pressure switches used for commercial or industrial systems are adjustable. 5. The pressure settings are different for different types of refrigerant.
Which of the following statements regarding discrimination issues is true?
a. Employers can avoid gender-related issues by hiring only men. b. Employers can minimize workplace discrimination by hiring based on valid, job-related requirements. c. Employers avoid claims of job discrimination by hiring anyone who applies for a job, if a position is available. d. Employers are justified in ignoring claims of sexual harassment against male employees.
En la actualidad, el tipo más común de RG6 utilizado en los sistemas de cableados estructurados es el cable________
a. de protección simple, doble y triple b. de protección doble y cuádruple c. de protección triple y cuádruple d. de protección doble, triple y cuádruple
Calculate i? and v? in the circuit of Fig. 5.70. Find the power dissipated by the 60-k? resistor.
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