下列属于内部行政行为的是()。

●In the following, the input device is (72) ．

(72)

A． keyboard

B． monitor

C． printer

D． plotter

The bypass valve on a self-contained breathing device should be opened if ______．

A.You are entering a space containing poisonous vapors

B.You are entering a space containing explosive gases

C.The regulator of the breathing apparatus malfunctions

D.The face piece of the breathing device is too tight

●(72) is a device that allows a computer to transmit information over a telephone line.

(72) A．Disk

B．Modem

C．Printer

D．Display

●(72) is a device that allows a computer to transmit information over a telephone line.

(72) A．Disk

B．Modem

C．Printer

D．Display

●In the following, the input device is _(72) ．

(72)

A． keyboard

B． monitor

C． printer

D． plotter

The display screen is the most common (72) device used to show you what the computer is doing．

A．input

B．printing

C．output

D．electronic

An output device is any computer component capable of(72)information to a user.

A．conveying

B．sending

C．giving

D．linking

Sensor (e.g., microphone) a device that detects/measures a signal or stimulus acquires information from the “real world”. Actuator (e.g., loudspeakers) a device that generates a signal or stimulus. Transducer a device that converts a primary form of energy into a corresponding signal with a different energy form.

The display screen is the most common (72) device used to show you what the computer is doing．

A．input

B．printing

C．output

D．electronic

me of oil and gas entering the device. When the accumulator reaches the process requirements, it will prompt the control system to switch the adsorption tank.