Question 1

Any logic expression can be implemented using NAND gates.

Accepted Answer

A) True 
 B)False

Question 2

Logically, the output of a NOR gate would have the same Boolean expression as a(n):

Accepted Answer

A)  NAND gate immediately followed by an inverter. 
B)  AND gate immediately followed by an inverter. 
C)  NOR gate immediately followed by an inverter. 
D)  OR gate immediately followed by an inverter. 
A)  NAND gate immediately followed by an inverter. 
B)  AND gate immediately followed by an inverter. 
C)  NOR gate immediately followed by an inverter. 
D)  OR gate immediately followed by an inverter.

Question 3

An active signal applied to a control input is used to _______the circuit.

Accepted Answer

The answer of An active signal applied to a control...

Question 4

An AND gate with inverters on each of its inputs is equivalent to a _______gate.

Accepted Answer

The answer of An AND gate with inverters on each...

Question 5

A certain logic gate has three inputs. The output goes LOW (0) only when the inputs are A = 1, B =

Accepted Answer

A)  AND gate. 
B)  NOR gate. 
C)  NAND gate. 
D)  none of the above 
A)  AND gate. 
B)  NOR gate. 
C)  NAND gate. 
D)  none of the above

Question 6

Which of the following logical operations is represented by the + sign in Boolean algebra?

Accepted Answer

A)  Inversion 
B)  AND 
C)  OR 
D)  Complementation 
A)  Inversion 
B)  AND 
C)  OR 
D)  Complementation

Question 7

If you apply DeMorgan's theorem to the expression   you get:

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 8

The logic gate that generates a HIGH (1) output only when all of its inputs are LOW (0) is the:

Accepted Answer

A)  NAND gate. 
B)  NOR gate. 
C)  OR gate. 
D)  AND gate. 
A)  NAND gate. 
B)  NOR gate. 
C)  OR gate. 
D)  AND gate.

Question 9

One of DeMorgan's theorems states that   Simply stated, this means that logically there is no difference between:

Accepted Answer

A)  a NOR gate and a NAND gate with inverted inputs. 
B)  a NOR gate and an AND gate with inverted inputs. 
C)  an AND gate and a NOR gate with inverted inputs. 
D)  a NAND gate and an OR gate with inverted inputs. 
A)  a NOR gate and a NAND gate with inverted inputs. 
B)  a NOR gate and an AND gate with inverted inputs. 
C)  an AND gate and a NOR gate with inverted inputs. 
D)  a NAND gate and an OR gate with inverted inputs.

Question 10

A minimum of three 2- input NOR gates would be required to perform the logical operation of a single 2- input AND gate.

Accepted Answer

A) True 
 B)False

Question 11

In Boolean algebra, the commutative laws indicate that:

Accepted Answer

A)  the factoring of Boolean expressions requires the multiplication of product terms that contain like variables. 
B)  the order in which we OR or AND two variables does not affect the result. 
C)  an expression can be expanded by multiplying term by term just the same as in ordinary algebra. 
D)  we can group variables in an AND or in an OR expression any way we want. 
A)  the factoring of Boolean expressions requires the multiplication of product terms that contain like variables. 
B)  the order in which we OR or AND two variables does not affect the result. 
C)  an expression can be expanded by multiplying term by term just the same as in ordinary algebra. 
D)  we can group variables in an AND or in an OR expression any way we want.

Question 12

How many truth table entries are required for a four- input circuit?

Accepted Answer

A)  8 
B)  4 
C)  12 
D)  16 
A)  8 
B)  4 
C)  12 
D)  16

Question 13

An_______has only a single input.

Accepted Answer

The answer of An_______has only a single input....

Question 14

Suppose that a logic gate has 3 inputs. How many possible input combinations must be listed in its accompanying truth table?

Accepted Answer

A)  210  
B)  410  
C)  810  
D)  1610 
A)  210  
B)  410  
C)  810  
D)  1610

Question 15

The logic gate that generates a LOW (0) output when any one of its inputs are HIGH (1) is the:

Accepted Answer

A)  NOR gate. 
B)  OR gate. 
C)  NAND gate. 
D)  AND gate. 
A)  NOR gate. 
B)  OR gate. 
C)  NAND gate. 
D)  AND gate.

Question 16

Which of the following gates generates the exact inverse output of the OR gate for all possible input combinations?

Accepted Answer

A)  NOT 
B)  NOR 
C)  NAND 
D)  AND 
A)  NOT 
B)  NOR 
C)  NAND 
D)  AND

Question 17

A ___________is used to illustrate the various input/output combinations for a logic gate.

Accepted Answer

A)  logic function diagram 
B)  Boolean formula 
C)  Boolean diagram 
D)  truth table 
A)  logic function diagram 
B)  Boolean formula 
C)  Boolean diagram 
D)  truth table

Question 18

The basic logic device that always has a single input is the:

Accepted Answer

A)  OR gate. 
B)  AND gate. 
C)  Comparator. 
D)  Inverter. 
A)  OR gate. 
B)  AND gate. 
C)  Comparator. 
D)  Inverter.

Question 19

Select the Boolean expression that is the logical equivalent to the expression   .

Accepted Answer

A)  ABC 
B)    
C)  A + B + C 
D)    
A)  ABC 
B)    
C)  A + B + C 
D)

Question 20

The basic logic circuit whose output equals the Boolean algebraic sum of its input is the:

Accepted Answer

A)  Inverter. 
B)  AND gate. 
C)  OR gate. 
D)  Comparator. 
A)  Inverter. 
B)  AND gate. 
C)  OR gate. 
D)  Comparator.

Any logic expression can be implemented using NAND gates.

Logically, the output of a NOR gate would have the same Boolean expression as a(n):

An active signal applied to a control input is used to _______the circuit.

An AND gate with inverters on each of its inputs is equivalent to a _______gate.

A certain logic gate has three inputs. The output goes LOW (0) only when the inputs are A = 1, B =

Which of the following logical operations is represented by the + sign in Boolean algebra?

If you apply DeMorgan's theorem to the expression you get:

The logic gate that generates a HIGH (1) output only when all of its inputs are LOW (0) is the:

One of DeMorgan's theorems states that Simply stated, this means that logically there is no difference between:

A minimum of three 2- input NOR gates would be required to perform the logical operation of a single 2- input AND gate.

In Boolean algebra, the commutative laws indicate that:

How many truth table entries are required for a four- input circuit?

An_______has only a single input.

Suppose that a logic gate has 3 inputs. How many possible input combinations must be listed in its accompanying truth table?

The logic gate that generates a LOW (0) output when any one of its inputs are HIGH (1) is the:

Which of the following gates generates the exact inverse output of the OR gate for all possible input combinations?

A ___________is used to illustrate the various input/output combinations for a logic gate.

The basic logic device that always has a single input is the:

Select the Boolean expression that is the logical equivalent to the expression .

The basic logic circuit whose output equals the Boolean algebraic sum of its input is the:

Introductory Concepts

Number Systems and Codes

Combinational Logic Circuits

Flip-Flops and Related Devices

Digital Arithmetic: Operations and Circuits

Counters and Registers

Integrated-Circuit Logic Families

MSI Logic Circuits

Digital System Projects Using HDL

Interfacing With the Analog World

Memory Devices

Programmable Logic Device Architectures

Filters

Exam 3: Describing Logic Circuits

Any logic expression can be implemented using NAND gates.

Logically, the output of a NOR gate would have the same Boolean expression as a(n):

An active signal applied to a control input is used to _______the circuit.

An AND gate with inverters on each of its inputs is equivalent to a _______gate.

A certain logic gate has three inputs. The output goes LOW (0) only when the inputs are A = 1, B =

Which of the following logical operations is represented by the + sign in Boolean algebra?

If you apply DeMorgan's theorem to the expression you get:

The logic gate that generates a HIGH (1) output only when all of its inputs are LOW (0) is the:

One of DeMorgan's theorems states that Simply stated, this means that logically there is no difference between:

A minimum of three 2- input NOR gates would be required to perform the logical operation of a single 2- input AND gate.

In Boolean algebra, the commutative laws indicate that:

How many truth table entries are required for a four- input circuit?

An_______has only a single input.

Suppose that a logic gate has 3 inputs. How many possible input combinations must be listed in its accompanying truth table?

The logic gate that generates a LOW (0) output when any one of its inputs are HIGH (1) is the:

Which of the following gates generates the exact inverse output of the OR gate for all possible input combinations?

A ___________is used to illustrate the various input/output combinations for a logic gate.

The basic logic device that always has a single input is the:

Select the Boolean expression that is the logical equivalent to the expression .

The basic logic circuit whose output equals the Boolean algebraic sum of its input is the:

Introductory Concepts

Number Systems and Codes

Combinational Logic Circuits

Flip-Flops and Related Devices

Digital Arithmetic: Operations and Circuits

Counters and Registers

Integrated-Circuit Logic Families

MSI Logic Circuits

Digital System Projects Using HDL

Interfacing With the Analog World

Memory Devices

Programmable Logic Device Architectures

Filters