Related Questions

The computers that we use are digital whereas we live in an analog world which means that we have to translate analog data into digital data. What is the name of the circuit which helps us in this conversion?
A D/A converter
B A/D converter
C Voice recognition
D Adapter
E None of the above
Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?
A Interface
B Modem
C Attenuation
D Teleprocessor
E None of the above
In a synchronous modem, the digital-to-analog converter transmits signal to the
A equalizer
B modulator
C demodulator
D terminal
E None of the above
Which of the following amplifier is used in a digital to analog concerter ciruit?
A Non-inverting amplifier
B Summer circuit
C Voltage follower circuit
D Difference amplifier circuit
Which country hosted the fisrt ever G20 Digital Ministerial Meeting on Digital Ministerial on Digital Economy?
A Japan
B Germany
C Russia
D France
Digital computers are more widely used as compared to analog computers, because they are
A Less expensive
B Always more accurate and faster
C Useful over wider ranges of problem types
D Easier to maintain
In data communication which device converts digital data to analog signal?
A Router
B Modem
C Switch
D HUB
On which aspect the analog computers are better than digital ?
A Speed
B Accuracy
C Reliability
D Automatic
Signals can be analog or digital and a computer that processes the both type of signals is known as
A Digital computer
B Hybrid computer
C Analog computer
D Mainframe computer
Analog and digital controllers:
A cost the same to build
B accept the same input signals
C can be changed with equal case
D All of the above
E None of the above

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