Question 1

A circle, or "bubble," on a distinctive- shape logic symbol indicates a logic inversion.

Accepted Answer

A) True 
 B)False

Question 2

The term "hex inverter" refers to _________.

Accepted Answer

A)  six inverters in a single package 
B)  an inverter that has a history of failure 
C)  an inverter which has six inputs 
D)  a six- input symbolic logic device 
A)  six inverters in a single package 
B)  an inverter that has a history of failure 
C)  an inverter which has six inputs 
D)  a six- input symbolic logic device

Question 3

The timing diagram below is correct for a 2- input _________	gate.

Accepted Answer

A)  Exclusive- OR 
B)  AND 
C)  Exclusive- NOR 
D)  NAND 
A)  Exclusive- OR 
B)  AND 
C)  Exclusive- NOR 
D)  NAND

Question 4

The symbol below represents a(n) ________.
?

Accepted Answer

A)  OR gate 
B)  NAND gate 
C)  AND gate 
D)  none of the above 
A)  OR gate 
B)  NAND gate 
C)  AND gate 
D)  none of the above

Question 5

The OR gate performs a function similar to series- connected switches.

Accepted Answer

A) True 
 B)False

Question 6

The truth table below describes a(n) ________
?

Accepted Answer

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

Question 7

The symbol below represents a(n) _________	.

Accepted Answer

A)  OR gate 
B)  AND gate 
C)  Inverter 
D)  none of the above 
A)  OR gate 
B)  AND gate 
C)  Inverter 
D)  none of the above

Question 8

The symbol below represents a(n) 	_________.

Accepted Answer

A)  NAND gate 
B)  AND gate 
C)  Exclusive- OR gate 
D)  OR gate 
A)  NAND gate 
B)  AND gate 
C)  Exclusive- OR gate 
D)  OR gate

Question 9

The output of an OR gate is HIGH when at least one input is HIGH.

Accepted Answer

A) True 
 B)False

Question 10

When an open occurs on the input to a bipolar logic device, the output will _________	.

Accepted Answer

A)  go LOW, because there is no current in an open circuit 
B)  go HIGH, since full voltage appears across an open 
C)  react to the open input as if it were a HIGH input 
D)  still be good, if only the good inputs are used 
A)  go LOW, because there is no current in an open circuit 
B)  go HIGH, since full voltage appears across an open 
C)  react to the open input as if it were a HIGH input 
D)  still be good, if only the good inputs are used

Question 11

The output of a NOR gate is LOW only when all inputs are HIGH.

Accepted Answer

A) True 
 B)False

Question 12

When the inputs to a 3- input OR gate are 001, the output is HIGH.

Accepted Answer

A) True 
 B)False

Question 13

IC's with a _________prefix have a broad operating temperature range and are generally used by the military.

Accepted Answer

A)  74 
B)  54 
C)  TTL 
D)  2N 
A)  74 
B)  54 
C)  TTL 
D)  2N

Question 14

The truth table below describes a(n) _________	.

Accepted Answer

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

Question 15

The timing diagram below is correct for a 2- input _________	gate.

Accepted Answer

A)  AND 
B)  NAND 
C)  Exclusive- NOR 
D)  Exclusive- OR 
A)  AND 
B)  NAND 
C)  Exclusive- NOR 
D)  Exclusive- OR

Question 16

When the inputs to a 3- input NAND gate are 001, the output is HIGH.

Accepted Answer

A) True 
 B)False

Question 17

The output of an OR gate is LOW when at least one input is LOW.

Accepted Answer

A) True 
 B)False

Question 18

HDLs differ from_________ in that they include ways of describing propagation times and other logic characteristics.

Accepted Answer

A)  software digital logic 
B)  software programming languages 
C)  software description languages 
D)  none of the above 
A)  software digital logic 
B)  software programming languages 
C)  software description languages 
D)  none of the above

Question 19

The_________in a VHDL program describes its logic operation.

Accepted Answer

A)  entity 
B)  hardware 
C)  architecture 
D)  source 
A)  entity 
B)  hardware 
C)  architecture 
D)  source

Question 20

The symbol below represents a(n)_________

Accepted Answer

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

A circle, or "bubble," on a distinctive- shape logic symbol indicates a logic inversion.

The term "hex inverter" refers to _________.

The timing diagram below is correct for a 2- input _________ gate.

The symbol below represents a(n) ________. ?

The OR gate performs a function similar to series- connected switches.

The truth table below describes a(n) ________ ?

The symbol below represents a(n) _________ .

The symbol below represents a(n) _________.

The output of an OR gate is HIGH when at least one input is HIGH.

When an open occurs on the input to a bipolar logic device, the output will _________ .

The output of a NOR gate is LOW only when all inputs are HIGH.

When the inputs to a 3- input OR gate are 001, the output is HIGH.

IC's with a _________prefix have a broad operating temperature range and are generally used by the military.

The truth table below describes a(n) _________ .

The timing diagram below is correct for a 2- input _________ gate.

When the inputs to a 3- input NAND gate are 001, the output is HIGH.

The output of an OR gate is LOW when at least one input is LOW.

HDLs differ from_________ in that they include ways of describing propagation times and other logic characteristics.

The_________in a VHDL program describes its logic operation.

The symbol below represents a(n)_________

Introductory Concepts

Number Systems, Operations, and Codes

Boolean Algebra and Logic Simplification

Combinational Logic Analysis

Functions of Combinational Logic

Latches, Flip-Flops, and Timers

Shift Registers

Counters

Programmable Logic

Data Storage

Signal Conversion and Processing

Data Transmission

Data Processing and Control

Integrated Circuit Technologies

Filters

Exam 3: Logic Gates

A circle, or "bubble," on a distinctive- shape logic symbol indicates a logic inversion.

The term "hex inverter" refers to _________.

The timing diagram below is correct for a 2- input _________ gate.

The symbol below represents a(n) ________. ?

The OR gate performs a function similar to series- connected switches.

The truth table below describes a(n) ________ ?

The symbol below represents a(n) _________ .

The symbol below represents a(n) _________.

The output of an OR gate is HIGH when at least one input is HIGH.

When an open occurs on the input to a bipolar logic device, the output will _________ .

The output of a NOR gate is LOW only when all inputs are HIGH.

When the inputs to a 3- input OR gate are 001, the output is HIGH.

IC's with a _________prefix have a broad operating temperature range and are generally used by the military.

The truth table below describes a(n) _________ .

The timing diagram below is correct for a 2- input _________ gate.

When the inputs to a 3- input NAND gate are 001, the output is HIGH.

The output of an OR gate is LOW when at least one input is LOW.

HDLs differ from_________ in that they include ways of describing propagation times and other logic characteristics.

The_________in a VHDL program describes its logic operation.

The symbol below represents a(n)_________

Introductory Concepts

Number Systems, Operations, and Codes

Boolean Algebra and Logic Simplification

Combinational Logic Analysis

Functions of Combinational Logic

Latches, Flip-Flops, and Timers

Shift Registers

Counters

Programmable Logic

Data Storage

Signal Conversion and Processing

Data Transmission

Data Processing and Control

Integrated Circuit Technologies

Filters