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Multiple Choice Quiz
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1.
This circuit is a simple 4-bit ___.
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073126349/443700/image024.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (6.0K)</a>
A)Counter
B)A/D converter
C)D/A converter
D)Opulent converter
2.
The ADC0804 A/D converter IC is a(n) ___ -type unit.
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073126349/443700/image025.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (8.0K)</a>
A)4-bit microprocessor
B)8-bit microprocessor
C)64-bit microprocessor
D)8 digit meter
3.
Op amps (operational amplifiers) are characterized by high input impedance, low output impedance, and a variable voltage gain that is set ___.
A)With external resistors
B)At the manufacturer
C)With internal capacitors
D)None of the above
4.
The ___-type A/D converter is the fastest unit.
A)Counter-ramp
B)Varley loop
C)Successive-approximation
D)Karnaugh
5.
The block labeled E in this counter-ramp-type A/D converter would be a ___.
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073126349/443700/image026.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (5.0K)</a>
A)Counter
B)D/A converter
C)Voltage comparator
D)None of the above
6.
A digital voltmeter is basically a(n) ___.
A)A/D converter
B)Counter circuit
C)D/A converter
D)Voltage comparator
7.
The block labeled F in this counter-ramp-type A/D converter would be a ___.
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073126349/443700/image026.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (5.0K)</a>
A)Counter
B)D/A converter
C)Voltage comparator
D)None of the above
8.
Increasing the light intensity striking R3 will ___ the resistance of the photocell and ___ the binary output.
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073126349/443700/image025.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (8.0K)</a>
A)Decrease, decrease
B)Increase, decrease
C)Increase, increase
D)Decrease, increase
9.
A simple D/A converter consists of a(n) ___.
A)Encoder and decoder
B)Scaling oscillator and decoder
C)Resistor network and summing amplifier
D)All of the above
10.
The block labeled G in this counter-ramp-type A/D converter would be a ___.
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073126349/443700/image026.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (5.0K)</a>
A)Counter
B)D/A converter
C)Voltage comparator
D)None of the above





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