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What is the device used to convert data from digital to analog?
modulator
What can read data and convert it to a form that a computer can use?
input device
Is a biometric device a input or output device?
Most biometric devices would be input devices although they may also utilize storage devices and output devices in their functioning. A biometric device usually takes in biometric information about a person and compares it to information stored in a database - much like username/password methods of authentication compare the username and password to the stored information for a user. Fingerprint scanners, read the fingerprint, convert it to a data stream and then compare it to the stored data previously recorded for the individual, retinal scanners read information about the retinal patterns of a user, convert it to data and compare it to stored data, etc. Note that biometric devices must rely on a storage device, but usually the storage device is not part of the biometric device. Instances of OUTPUT associated with a biometric device might be a signal to open a door or trigger an alarm, but again, the output usually comes from another device that the biometric device is connected to.
Which device converts outgoing data into audible tones?
Speakers convert outgoing data into audible tones.
What device can initiates an instruction to transmit data instructions or information?
A sending device
Which electronic device manipulates data so that useful information can be generated?
An electronic device used for processing data.
What device changes digital computer data into analog data that can be sent over phone lines?
A modem performs this function. A modem converts digital information to analog information to transmit a signal over phone lines. The process of converting this signal in this manner is modulation. They also convert analog information back to digital information to receive data. This is called demodulation. The name modem is a combination of the words modulator-demodulator.
What is a hardware device that processes data into meaninguful information?
yes
Mention one use of data cable?
A data cable can be used to transfer information from a device to another device, such as a cell phone or computer.
How information can change into data?
To convert data into information, you must perform some summarization, analysis, and interpretation. Data doesn't allow one to make decisions or inferences, but information does.
HOW DO WE DIFFERENTIATE BETWEEN an input device and office data entry device?
An input device is any device that enables feeding of information into a computer, including office data entry devices. An office data entry device is one that is purely used for keying in data into a computer e.g. a mouse and a keyboard.
What device is any type of hardware capable of transmitting data instructions and information between a sending device and a receiving device?
a communication device
