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