A device used to display one or more digital signals so that they can be compared to expected timing diagrams for the signals is a:
1.DMM
2.spectrum analyzer
3.logic analyzer
4.frequency counter
A device used to display one or more digital signals so that they can be compared to expected timing diagrams for the signals is a:
1.DMM
2.spectrum analyzer
3.logic analyzer
4.frequency counter
A device used to display one or more digital signals so that they can be compared to expected timing diagrams for the signals is a:
1.DMM
2.spectrum analyzer
3.logic analyzer
4.frequency counter
A device used to display one or more digital signals so that they can be compared to expected timing diagrams for the signals is a:
1.DMM
2.spectrum analyzer
3.logic analyzer
4.frequency counter
A device used to display one or more digital signals so that they can be compared to expected timing diagrams for the signals is a:
1.DMM
2.spectrum analyzer
3.logic analyzer
4.frequency counter
A device used to display one or more digital signals so that they can be compared to expected timing diagrams for the signals is a:
1.DMM
2.spectrum analyzer
3.logic analyzer
4.frequency counter
A device used to display one or more digital signals so that they can be compared to expected timing diagrams for the signals is a:
1.DMM
2.spectrum analyzer
3.logic analyzer
4.frequency counter
A device used to display one or more digital signals so that they can be compared to expected timing diagrams for the signals is a:
1.DMM
2.spectrum analyzer
3.logic analyzer
4.frequency counter
A device used to display one or more digital signals so that they can be compared to expected timing diagrams for the signals is a:
1.DMM
2.spectrum analyzer
3.logic analyzer
4.frequency counter
A device used to display one or more digital signals so that they can be compared to expected timing diagrams for the signals is a:
1.DMM
2.spectrum analyzer
3.logic analyzer
4.frequency counter
A device used to display one or more digital signals so that they can be compared to expected timing diagrams for the signals is a:
1.DMM
2.spectrum analyzer
3.logic analyzer
4.frequency counter
A device used to display one or more digital signals so that they can be compared to expected timing diagrams for the signals is a:
1.DMM
2.spectrum analyzer
3.logic analyzer
4.frequency counter
A device used to display one or more digital signals so that they can be compared to expected timing diagrams for the signals is a:
1.DMM
2.spectrum analyzer
3.logic analyzer
4.frequency counter
If a 3-input OR gate has eight input possibilities, how many of those possibilities will result in a HIGH output?
1.1
2.2
3.7
4.8
If a signal passing through a gate is inhibited by sending a LOW into one of the inputs, and the output is HIGH, the gate is a(n):
1.AND
2.NAND
3.NOR
4.OR
The term “hex inverter” refers to:
1. an inverter that has six inputs
2.six inverters in a single package
3.a six-input symbolic logic device
4. an inverter that has a history of failure
The term “hex inverter” refers to:
1. an inverter that has six inputs
2.six inverters in a single package
3.a six-input symbolic logic device
4. an inverter that has a history of failure
The term “hex inverter” refers to:
1. an inverter that has six inputs
2.six inverters in a single package
3.a six-input symbolic logic device
4. an inverter that has a history of failure
The term “hex inverter” refers to:
1. an inverter that has six inputs
2.six inverters in a single package
3.a six-input symbolic logic device
4. an inverter that has a history of failure
The term “hex inverter” refers to:
1. an inverter that has six inputs
2.six inverters in a single package
3.a six-input symbolic logic device
4. an inverter that has a history of failure
The term “hex inverter” refers to:
1. an inverter that has six inputs
2.six inverters in a single package
3.a six-input symbolic logic device
4. an inverter that has a history of failure
The term “hex inverter” refers to:
1. an inverter that has six inputs
2.six inverters in a single package
3.a six-input symbolic logic device
4. an inverter that has a history of failure
The term “hex inverter” refers to:
1. an inverter that has six inputs
2.six inverters in a single package
3.a six-input symbolic logic device
4. an inverter that has a history of failure
The term “hex inverter” refers to:
1. an inverter that has six inputs
2.six inverters in a single package
3.a six-input symbolic logic device
4. an inverter that has a history of failure
-input NOR gate is equivalent to a ________.
1. negative-OR gate
2.negative-AND gate
3.negative-NAND gate
4.none of the above
Fan-out is specified in terms of ______
1.voltage
2.current
3.wattage
4.unit loads
How many input combinations would a truth table have for a six-input AND gate?
1. 32
2.48
3.64
4.128
How many input combinations would a truth table have for a six-input AND gate?
1. 32
2.48
3.64
4.128
How many input combinations would a truth table have for a six-input AND gate?
1. 32
2.48
3.64
4.128
How many input combinations would a truth table have for a six-input AND gate?
1. 32
2.48
3.64
4.128
How many input combinations would a truth table have for a six-input AND gate?
1. 32
2.48
3.64
4.128
How many input combinations would a truth table have for a six-input AND gate?
1. 32
2.48
3.64
4.128
How many inputs are on the logic gates of a 74HC21 IC?
1. 1
2.2
3. 3
4.4
How many inputs are on the logic gates of a 74HC21 IC?
1. 1
2.2
3. 3
4.4
How many inputs are on the logic gates of a 74HC21 IC?
1. 1
2.2
3. 3
4.4
How many inputs are on the logic gates of a 74HC21 IC?
1. 1
2.2
3. 3
4.4
How many inputs are on the logic gates of a 74HC21 IC?
1. 1
2.2
3. 3
4.4
If a 3-input NOR gate has eight input possibilities, how many of those possibilities will result in a HIGH output?
1. 1
2.2
3.7
4.8
One advantage TTL has over CMOS is that TTL is ________.
1.less expensive
2.not sensitive to electrostatic discharge
3.faster
4.more widely available
The AND function can be used to ________ and the OR function can be used to ________
1.enable, disable
2. disable, enable
3.enable or disable, enable or disable
4.detect, invert
The basic logic gate whose output is the complement of the input is the:
1.OR gate
2. AND gate
3.inverter
4.comparator
The basic logic gate whose output is the complement of the input is the:
1.OR gate
2. AND gate
3.inverter
4.comparator
The basic logic gate whose output is the complement of the input is the:
1.OR gate
2. AND gate
3.inverter
4.comparator
The basic logic gate whose output is the complement of the input is the:
1.OR gate
2. AND gate
3.inverter
4.comparator
The basic logic gate whose output is the complement of the input is the:
1.OR gate
2. AND gate
3.inverter
4.comparator
The basic logic gate whose output is the complement of the input is the:
1.OR gate
2. AND gate
3.inverter
4.comparator
The basic logic gate whose output is the complement of the input is the:
1.OR gate
2. AND gate
3.inverter
4.comparator
The NOR logic gate is the same as the operation of the ________ gate with an inverter connected to the output.
1.OR
2.AND
3.NAND
4. none of the above
The output of an AND gate with three inputs, A, B, and C, is HIGH when ______
1.A = 1, B = 1, C = 0
2. A = 0, B = 0, C = 0
3.A = 1, B = 1, C = 1
4. A = 1, B = 0, C = 1
The output of an AND gate with three inputs, A, B, and C, is HIGH when ______
1.A = 1, B = 1, C = 0
2. A = 0, B = 0, C = 0
3.A = 1, B = 1, C = 1
4. A = 1, B = 0, C = 1
The output of an AND gate with three inputs, A, B, and C, is HIGH when ______
1.A = 1, B = 1, C = 0
2. A = 0, B = 0, C = 0
3.A = 1, B = 1, C = 1
4. A = 1, B = 0, C = 1
The output of an AND gate with three inputs, A, B, and C, is HIGH when ______
1.A = 1, B = 1, C = 0
2. A = 0, B = 0, C = 0
3.A = 1, B = 1, C = 1
4. A = 1, B = 0, C = 1
The output of an AND gate with three inputs, A, B, and C, is HIGH when ______
1.A = 1, B = 1, C = 0
2. A = 0, B = 0, C = 0
3.A = 1, B = 1, C = 1
4. A = 1, B = 0, C = 1
The output of an AND gate with three inputs, A, B, and C, is HIGH when ______
1.A = 1, B = 1, C = 0
2. A = 0, B = 0, C = 0
3.A = 1, B = 1, C = 1
4. A = 1, B = 0, C = 1
The output of an AND gate with three inputs, A, B, and C, is HIGH when ______
1.A = 1, B = 1, C = 0
2. A = 0, B = 0, C = 0
3.A = 1, B = 1, C = 1
4. A = 1, B = 0, C = 1
The output of an AND gate with three inputs, A, B, and C, is HIGH when ______
1.A = 1, B = 1, C = 0
2. A = 0, B = 0, C = 0
3.A = 1, B = 1, C = 1
4. A = 1, B = 0, C = 1
The output of an exclusive-NOR gate is HIGH if ________.
1.the inputs are equal
2.one input is HIGH, and the other input is LOW
3.the inputs are unequal
4.none of the above
The terms “low speed” and “high speed,” applied to logic circuits, refer to the ________.
1.rise time
2.fall time
3. propagation delay time
4. clock speed
The terms “low speed” and “high speed,” applied to logic circuits, refer to the ________.
1.rise time
2.fall time
3. propagation delay time
4. clock speed
The terms “low speed” and “high speed,” applied to logic circuits, refer to the ________.
1.rise time
2.fall time
3. propagation delay time
4. clock speed
The terms “low speed” and “high speed,” applied to logic circuits, refer to the ________.
1.rise time
2.fall time
3. propagation delay time
4. clock speed
The terms “low speed” and “high speed,” applied to logic circuits, refer to the ________.
1.rise time
2.fall time
3. propagation delay time
4. clock speed
The terms “low speed” and “high speed,” applied to logic circuits, refer to the ________.
1.rise time
2.fall time
3. propagation delay time
4. clock speed
The terms “low speed” and “high speed,” applied to logic circuits, refer to the ________.
1.rise time
2.fall time
3. propagation delay time
4. clock speed
What is the base of binary number system?
1.2
2.10
3.8
4.16
What is the base of binary number system?
1.2
2.10
3.8
4.16
What is the base of binary number system?
1.2
2.10
3.8
4.16
What is the circuit number of the IC that contains four two-input AND gates in standard TTL?
1.7402
2.7404
3.7408
4.7432
What is the output of an AND gate?
1.0
2.1
3.Depends on the input
4.None of the above
What is the truth table for an AND gate?
1.0 0 0 1 0 1 0 1
2.0 0 1 1 0 1 1 1 0 1 1 1
3.0 1 1 1 1 0 0 0
4.0 1 0 0 1 0 1 1
What is the truth table for an AND gate?
1.0 0 0 1 0 1 0 1
2.0 0 1 1 0 1 1 1 0 1 1 1
3.0 1 1 1 1 0 0 0
4.0 1 0 0 1 0 1 1
When reading a Boolean expression, what does the word “NOT” indicate?
1. the same as
2.inversion
3.high
4.low
When used with an IC, what does the term “QUAD” indicate?
1.2 circuits
2. 4 circuits
3.6 circuits
4. 8 circuits
When used with an IC, what does the term “QUAD” indicate?
1.2 circuits
2. 4 circuits
3.6 circuits
4. 8 circuits
When used with an IC, what does the term “QUAD” indicate?
1.2 circuits
2. 4 circuits
3.6 circuits
4. 8 circuits
When used with an IC, what does the term “QUAD” indicate?
1.2 circuits
2. 4 circuits
3.6 circuits
4. 8 circuits
When used with an IC, what does the term “QUAD” indicate?
1.2 circuits
2. 4 circuits
3.6 circuits
4. 8 circuits
When used with an IC, what does the term “QUAD” indicate?
1.2 circuits
2. 4 circuits
3.6 circuits
4. 8 circuits
When used with an IC, what does the term “QUAD” indicate?
1.2 circuits
2. 4 circuits
3.6 circuits
4. 8 circuits
Which number system is used by digital computers?
1.Decimal
2.Binary
3.Octal
4.Hexadecimal
Which number system is used by digital computers?
1.Decimal
2.Binary
3.Octal
4.Hexadecimal
Which number system is used by digital computers?
1.Decimal
2.Binary
3.Octal
4.Hexadecimal
Which number system is used by digital computers?
1.Decimal
2.Binary
3.Octal
4.Hexadecimal
Which number system is used by digital computers?
1.Decimal
2.Binary
3.Octal
4.Hexadecimal
Which of the following gates is equivalent to an AND gate followed by a NOT gate?
1.NAND gate
2.NOR gate
3.XOR gate
4.XNOR gate
Which of the following gates is equivalent to an AND gate followed by a NOT gate?
1.NAND gate
2.NOR gate
3.XOR gate
4.XNOR gate
Which of the following gates is equivalent to an AND gate followed by a NOT gate?
1.NAND gate
2.NOR gate
3.XOR gate
4.XNOR gate
Which of the following gates is equivalent to an AND gate followed by a NOT gate?
1.NAND gate
2.NOR gate
3.XOR gate
4.XNOR gate
Which of the following gates is equivalent to an OR gate followed by a NOT gate?
1.NAND gate
2.NOR gate
3.XOR gate
4.XNOR gate
Which of the following is a basic logic gate?
1.AND gate
2.XOR gate
3.NAND gate
4.All of the above
Which of the following is a basic logic gate?
1.AND gate
2.XOR gate
3.NAND gate
4.All of the above
Which of the following is a basic logic gate?
1.AND gate
2.XOR gate
3.NAND gate
4.All of the above
Which of the following is a logic gate?Which of the following is a logic gate?
1.Which of the following is a logic gate?
2.XOR gate
3.NAND gate
4.All of the above
Which of the following is a NOT gate?
1.AND gate
2.OR gate
3.XOR gate
4.None of the above
Which of the following is a NOT gate?
1.AND gate
2.OR gate
3.XOR gate
4.None of the above
Which of the following is a NOT gate?
1.AND gate
2.OR gate
3.XOR gate
4.None of the above
Which of the following is a NOT gate?
1.AND gate
2.OR gate
3.XOR gate
4.None of the above
With regard to an AND gate, which statement is true?
1.An AND gate has two inputs and one output.
2.An AND gate has two or more inputs and two outputs.
3.If one input to a 2-input AND gate is HIGH, the output reflects the other input.
4.A 2-input AND gate has eight input possibilities.