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Multiple Choice Quiz
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1.
After time period t2, the normal output Q of this D flip-flop will be ___.
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073126349/443700/image011.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"> (3.0K)</a>
A)HIGH
B)LOW
C)Both of the above
D)None of the above
2.
The asynchronous inputs to this D flip-flop are the ___ inputs.
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073126349/443700/image011.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"> (3.0K)</a>
A)CLK and PS
B)CLK and D
C)D and PS
D)CLR and PS
3.
After time period t1, the normal output Q of this J-Kflip-flop will be ___ because it was in the ___ mode.
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073126349/443700/image012.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)HIGH, hold
B)LOW, hold
C)HIGH, asynchronous preset
D)LOW, toggle
4.
After time period t1, the normal output Q of this D flip-flop will be ___.
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073126349/443700/image011.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"> (3.0K)</a>
A)Cleared to 0
B)Set to 1
C)Both of the above
D)None of the above
5.
After time period t3, the normal output Q of this J-K flip-flop will be ___ because it was in the ___ mode.
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073126349/443700/image012.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)HIGH, hold
B)LOW, hold
C)HIGH, set
D)LOW, toggle
6.
Notice the "bubbles" at the R and S inputs. This means that the R-S flip flop has active ___ inputs.
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073126349/443700/image013.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"> (2.0K)</a>
A)Amplified
B)HIGH
C)LOW
D)Synchronous
7.
With these inputs, the R-S flip-flop is in the ___ mode and the normal output Q is forced ___.
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073126349/443700/image013.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"> (2.0K)</a>
A)Reset, HIGH
B)Reset, LOW
C)Set, HIGH
D)Set, LOW
8.
After time period t2, the normal output Q of this J-K flip-flop will be ___ because it was in the ___ mode.
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0073126349/443700/image012.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)HIGH, hold
B)LOW, hold
C)HIGH, set
D)LOW, toggle
9.
Schmitt trigger devices are commonly used for ___ .
A)Counting
B)Multiplexing
C)Storing data
D)Wave shaping
10.
The basic building block of combinational logic circuits is the logic gate. The basic building block of sequential logic circuits is the ___.
A)Amplifier
B)Flip-flop
C)Multiplexer
D)Timer





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