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Describing Logic Circuits problems
1. The symbol shown below is an AND gate.
Options
A. True
B. False
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Correct Answer: True
2. In Boolean algebra, 1 · 0 = 0.
Options
A. True
B. False
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Correct Answer: True
3. VHDL is not a new language.
Options
A. True
B. False
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Correct Answer: True
4. A two-input NAND gate has inputs of 1 and 0; the output is 0.
Options
A. True
B. False
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Correct Answer: False
5. The output of a NAND gate is the inverse of the output for an AND gate for all possible input combinations.
Options
A. True
B. False
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Correct Answer: True
6. The commutative law of Boolean addition states that
A
+
B
=
A
·
B
.
Options
A. True
B. False
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Correct Answer: False
7. Boolean algebra was first applied to the analysis of digital circuits by Claude Shannon at Stanford University.
Options
A. True
B. False
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Correct Answer: False
8. Output logic levels for certain input conditions of a logic circuit may often be determined without using the Boolean expression.
Options
A. True
B. False
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Correct Answer: True
9. The expressions,
, are equivalent.
Options
A. True
B. False
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Correct Answer: True
10. The application of DeMorgan's theorems to a Boolean expression with double and single inversions produces a resultant expression that contains only single inverter signs over single variables.
Options
A. True
B. False
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Correct Answer: True
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More in Digital Electronics:
Boolean Algebra and Logic Simplification
Code Converters and Multiplexers
Combinational Logic Analysis
Combinational Logic Circuits
Computers
Counters
Describing Logic Circuits
Digital Arithmetic Operations and Circuits
Digital Concepts
Digital Design
Digital Signal Processing
Digital System Projects Using HDL
Ex-OR and Ex-NOR Gates
Flip-Flops
Integrated-Circuit Logic Families
Integrated Circuit Technologies
Interfacing to the Analog World
Logic Families and Their Characteristics
Logic Gates
Memory and Storage
Microprocessor Fundamentals
MSI Logic Circuits
Multivibrators and 555 Timer
Number Systems and Codes
Programmable Logic Device
Shift Registers
Signals and Switches
The 8051 Microcontroller