Assignment Questions  14185_193
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Assignment Questions  14185_192
Assignment Questions  14185_194
Neets Module 13Introduction to Number Systems and Logic Circuits
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ASSIGNMENT 3
Textbook assignment: Chapter 2, “Fundamental Logic Circuits,” pages 21 through 236; and "Special
Logic Circuits," Chapter 3, pages 31 through 33.
_____________________________________________________________________________________
NOTE: UNLESS OTHERWISE INDICATED,
ALL QUESTIONS AND ANSWERS REFER
TO POSITIVE LOGIC.
31. Logic is the development of a reasonable
conclusion based on known information.
1.
T
2.
F
32. Which of the following methods is used
to represent the FALSE condition of the
logic symbol, F?
1.
(F)
2.
[F]
3.
F
4.
F
33. Which of the following statements
describes logic polarity?
1.
Negative logic is indicated by a
vinculum
2.
Positive logic is always represented
by a positive voltage
3.
A logic 1 is a positive voltage; a
logic 0 is a negative voltage
4.
The change in voltage polarity to
represent a logic 1
34. Which of the following examples
represents positive logic?
1.

5v equals 0,

10v equals 1
2.
+5v equals 0, +10v equals 1
3.
+5v equals 1, +10v equals 0
4.

5v equals 1, +5v equals 0
35. Of the following examples, choose the
one that represents negative logic.
1.

15v equals 0,

10v equals 1
2.

10v equals 1,

15v equals 0
3.
0v equals 0,

10v equals 1
4.

5v equals 0, 0v equals 1
36. If the letter X represents an input to a
logic device, what logic state of X must
exist to activate the device or contribute
to the activation of the device?
1.
0
2.
1
3.
Positive logic
4.
Negative logic
37. A chart that lists all possible input
combinations
and resultant output is
called a
1.
Truth Table
2.
Decision Table
3.
logic symbol listing
4.
polarity
magnitude
listing
38. What is a
logic gate
?
1.
A
block diagram
2.
An astable
multivibrator
3.
A bistable
multivibrator
4.
A decisionmaking circuit
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