19.Which A/D converter is considered to be simplest, fastest and most expensive? a) Servo converter b) Counter type ADC c) Flash type ADC d) All of the mentioned 20.The flash type A/D converters are called as a) Parallel non-inverting A/D converter b) Parallel counter A/D converter c) Parallel inverting A/D converter d) Parallel comparator A/D converter 21.What is the advantage of using flash type A/D converter? a) High speed conversion b) Low speed conversion c) Nominal speed conversion d) None of the mentioned 22.Drawback of counter type A/D converter a) Counter clears automatically b) More complex c) High conversion time d) Low speed

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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19.Which A/D converter is considered to be simplest, fastest and most
expensive?
a) Servo converter
b) Counter type ADC
c) Flash type ADC
d) All of the mentioned
20.The flash type A/D converters are called as
a) Parallel non-inverting A/D converter
b) Parallel counter A/D converter
c) Parallel inverting A/D converter
d) Parallel comparator A/D converter
21.What is the advantage of using flash type A/D converter?
a) High speed conversion
b) Low speed conversion
c) Nominal speed conversion
d) None of the mentioned
22.Drawback of counter type A/D converter
a) Counter clears automatically
b) More complex
c) High conversion time
d) Low speed
23.Calculate the conversion time of a 12-bit counter type ADC with 1MHZ
clock frequent to convert a full scale input?
a) 4.095 us
b) 4.095ms
c) 4.095s
d) None of the mentioned
24.A 12 bit dual ramp generation has a maximum output voltage of +12v.
Compute the equivalent digital number for the analog signal of +6v.
a) 1000000000
b) 10000000000
c) 1000000000000
d) 100000000000
Transcribed Image Text:19.Which A/D converter is considered to be simplest, fastest and most expensive? a) Servo converter b) Counter type ADC c) Flash type ADC d) All of the mentioned 20.The flash type A/D converters are called as a) Parallel non-inverting A/D converter b) Parallel counter A/D converter c) Parallel inverting A/D converter d) Parallel comparator A/D converter 21.What is the advantage of using flash type A/D converter? a) High speed conversion b) Low speed conversion c) Nominal speed conversion d) None of the mentioned 22.Drawback of counter type A/D converter a) Counter clears automatically b) More complex c) High conversion time d) Low speed 23.Calculate the conversion time of a 12-bit counter type ADC with 1MHZ clock frequent to convert a full scale input? a) 4.095 us b) 4.095ms c) 4.095s d) None of the mentioned 24.A 12 bit dual ramp generation has a maximum output voltage of +12v. Compute the equivalent digital number for the analog signal of +6v. a) 1000000000 b) 10000000000 c) 1000000000000 d) 100000000000
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