EETC 1331 Digital fundamentals quiz review
A=0, B=0 therefore Y=? (Figure - AND Gate) Question 4 options: 0 1 No way to tell
0
A=0, B=0 therefore Y=? (Figure - OR Gate) Question 8 options: 0 1 No way to tell
0
A=0, B=0 therefore Y=? (Figure - XOR Gate) Question 1 options: 0 1
0
A=0, B=1 therefore Y=? (Figure - AND Gate) Question 5 options: 0 1 No way to tell
0
A=0, B=1 therefore Y=? (Figure - NOR Gate) Question 6 options: 0 1 No way to tell
0
A=0, B=1 therefore Y=? (Figure - XNOR Gate) Question 6 options: 0 1 No way to tell
0
A=1, B=0 therefore Y=? (Figure - AND Gate) Question 6 options: 0 1 No way to tell
0
A=1, B=0 therefore Y=? (Figure - NOR Gate) Question 7 options: 0 1 No way to tell
0
A=1, B=1 therefore Y=? (Figure - NAND Gate) Question 4 options: 0 1 No way to tell
0
A=1, B=1 therefore Y=? (Figure - NOR Gate) Question 8 options: 0 1 No way to tell
0
A=1, B=1 therefore Y=? (Figure - XOR Gate) Question 4 options: 0 1 No way to tell
0
Referring to the diagram, what is the value of Q at T2?
0
Referring to the diagram, what is the value of Q just after T3?
0
Saved A=1, B=0 therefore Y=? (Figure - XNOR Gate) Question 7 options: 0 1 No way to tell
0
Binary addition: 0+1+0=?
0001
If A= 1, B=1, C=1, and D=0 after the next the next clock pulse what are ABCD
0001
Binary addition: 0+1+1=?
0010
Binary addition: 1+1+1=?
0011
What is the Binary number for the decimal number 7? Question 4 options: 1010 0111 0010 0111 0007
0111
A=0, B=0 therefore Y=? (Figure - NAND Gate) Question 1 options: 0 1 No way to tell
1
A=0, B=0 therefore Y=? (Figure - NOR Gate) Question 5 options: 0 1 No way to tell
1
A=0, B=0 therefore Y=? (Figure - XNOR Gate) Question 5 options: 0 1 No way to tell
1
A=0, B=1 therefore Y=? (Figure - NAND Gate) Question 2 options: 0 1 No way to tell
1
A=0, B=1 therefore Y=? (Figure - OR Gate) Question 9 options: 0 1 No way to tell
1
A=0, B=1 therefore Y=? (Figure - XORGate) Question 2 options: 0 1 No way to tell
1
A=1, B=0 therefore Y=? (Figure - NAND Gate) Question 3 options: 0 1 No way to tell
1
A=1, B=0 therefore Y=? (Figure - OR Gate) Question 10 options: 0 1 No way to tell
1
A=1, B=0 therefore Y=? (Figure - XOR Gate) Question 3 options: 0 1 No way to tell
1
A=1, B=1 therefore Y=? (Figure - AND Gate) Question 7 options: 0 1 No way to tell
1
A=1, B=1 therefore Y=? (Figure - OR Gate) Question 11 options: 0 1 No way to tell
1
A=1, B=1 therefore Y=? (Figure - XNOR Gate) Question 8 options: 0 1 No way to tell
1
If D = 1, after three clock pulses what would the binary value on Q equal?
1
Referring to the diagram, what is the value of Q at T1?
1
Referring to the diagram, what is the value of Q immediately after T4?
1
What is the MOD number of this counter?
10
What is the Binary number for the decimal number 9? Question 2 options: 0010 0009 1001 1010 0111
1001
The sum of these two binary numbers 0101 and 0110 is: Question 4 options: 1001 0101 1011 011111101 non-existant!
1011
The sum of these two binary numbers 0101 and 1001 is: Question 6 options: 1001 0101 1110 011111101 non-existant!
1110
How many different binary numbers could a four wire parallel Digital bus represent? Question 8 options: 10 16 255 2n - 4
16
How many different binary numbers could an eight wire parallel Digital bus represent? Question 6 options: 255 2n - 8 8 256
256
How many inputs does the first full adder in a 74283 have?
3
What is the identification number of a standard NAND IC chip? Question 8 options: 7400 7404 7408 7432
7400
NAND gate truth table
7400 ic
NOR gate truth table
7402 ic
What is the identification number for the standard inverter IC?
7404
AND gate truth table
7408 ic
xnor truth table
74266 ic
Adder
74283 ic
OR gate truth table
7432 ic
X OR truth table
7486 ic
Saved What are each of the first four place holders in the Binary number system? Question 5 options: 8,4,2,1 1, 3, 5, 7 2, 4, 6, 8 100, 100, 10 ,1
8,4,2,1
What is the LEAST number of JK FLip Flops it would take to create a mod 500 counter?
9
The mathamatical representation of an OR gate is: Question 3 options: A-B A+B A,B All the above
A+B
algebraic expression for the circuit is?
AB+(B+C)
Simple TTL logic gate circuits can be expressed as:
Algebraic expressions
The mathamatical representation of an AND gate is: Question 2 options: AB AxB A•B All the above
All of the above
Which statement is true about the device? A. The clock is a negative going transition input that immediately effects the output Q no matter what value D is set to. B. The clock is a negative going transition input that will only effect the output when the D input is active. C. The clock input will only effect the output Q during the Q not transition. D. The D input will only effect the output Q during a positive going transition of the clock input.
D. The D input will only effect the output Q during a positive going transition of the clock input.
How many gates are there in a standard NOR IC chip? Question 9 options: Two Three Four Six Eight
Four
Which inputs are synchronous?
J and K only
According to the data sheet for the INVERTER IC which pins are the input and output pins fro the 2nd inverter located in the IC chip?
Pin 3 is the input and pin 4 is the output
According to the Data Sheet for the AND IC chip which pins are the input pins for the 2nd And gate located in the IC chip? Question 11 options: Pin 2 and Pin 3. Pin 3 and Pin 4. Pin 4 and Pin 5. Pin 5 and Pin 6.
Pins 4 and 5
Which inputs are Asynchronous?
Pre and Clear
How many gates are there in a standard Inverter IC chip?
Six
Hexidecimal is a number system used to indicate large Binary numbers. Question 7 options:TrueFalse
True
True or false, this is a JK flip flop timing diagram?
True
What is the name of the data collection holder that contains all possible input and output combinations for a IC circuit called? Question 1 options: Collection Table Truth Table I/O Table Input/Output Collector
Truth Table
What voltage levels represent Binary numbers? Question 7 options: 1.5 Volts and 12 volts Zero volts and +5 Volts +6 volts and +3 volts -12 volts and +12 volts
Zero volts and +5 Volts
If the D input is pulsing between 1 and 0 at a rate of 10Hz and the EN input is made active, what is the logic level of the Q output?
changing at a rate of 10Hz between 1 and 0
Refering to the TTL Data Sheet for the 7402, What is the output pin of the 3rd NOR Gate in this IC Chip? 1-14
pin 10
Refering to the TTL Data Sheet for the 74266, What is the output pin of the 3rd XNOR Gate in this IC Chip? 1-14
pin 10
Refering to the TTL Data Sheet for the 7486, What is the output pin of the 4TH XOR Gate in this IC Chip? 1-14
pin 11
Refering to the TTL Data Sheet for the 7400, What is the Voltage Supply pin for this IC Chip? 1-14
pin 14
Refering to the TTL Data Sheet for the 7402, What is the Voltage Supply pin for this IC Chip? 1-14
pin 14
Refering to the TTL Data Sheet for the 7408, What is the Voltage Supply pin for this IC Chip? 1-14
pin 14
Refering to the TTL Data Sheet for the 74266, What is the Voltage Supply pin for this IC Chip? 1-14
pin 14
Refering to the TTL Data Sheet for the 7432, What is the Voltage Supply pin for this IC Chip? 1-14
pin 14
Refering to the TTL Data Sheet for the 7486, What is the Voltage Supply pin for this IC Chip? 1-14
pin 14
Refering to the TTL Data Sheet for the 7486, What is the output pin of the 1ST XOR Gate in this IC Chip? 1-14
pin 3
Refering to the TTL Data Sheet for the 7402, What is the output pin of the 2nd NOR Gate in this IC Chip? 1-14
pin 4
Refering to the TTL Data Sheet for the 74266, What is the output pin of the 2nd XNOR Gate in this IC Chip? 1-14
pin 4
Refering to the TTL Data Sheet for the 7400, What is the output pin of the 2nd NAND Gate in this IC Chip? 1-14
pin 6
Refering to the TTL Data Sheet for the 7408, What is the output pin of the 2nd AND Gate in this IC Chip? 1-14
pin 6
Refering to the TTL Data Sheet for the 7432, What is the output pin of the 2nd OR Gate in this IC Chip? 1-14
pin 6
Refering to the TTL Data Sheet for the 7400, What is the Ground pin for this IC Chip? 1-14
pin 7
Refering to the TTL Data Sheet for the 7402, What is the Ground pin for this IC Chip? 1-14
pin 7
Refering to the TTL Data Sheet for the 7408, What is the ground pin for this IC Chip? 1-14
pin 7
Refering to the TTL Data Sheet for the 74266, What is the Ground pin for this IC Chip? 1-14
pin 7
Refering to the TTL Data Sheet for the 7432, What is the Ground pin for this IC Chip? 1-14
pin 7
Refering to the TTL Data Sheet for the 7486, What is the Ground pin for this IC Chip? 1-14
pin 7
Refering to the TTL Data Sheet for the 7400, What is the output pin of the 3rd NAND Gate in this IC Chip? 1-14
pin 8
Refering to the TTL Data Sheet for the 7408, What is the output pin of the 3rd AND Gate in this IC Chip? 1-14
pin 8
Refering to the TTL Data Sheet for the 7432, What is the output pin of the 3rd OR Gate in this IC Chip? 1-14
pin 8
Hexidecimal is a number system used to indicate large Binary numbers. Question 9 options:TrueFalse
true