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Test - Chapter 3 - Logic Gates, Tokheim

Total questions: 65

Worksheet time: 35mins

Name
Class
Date
1.

If the input A is HIGH the output Q will be LOW.

a)

True

b)

False

2.

The integrated circuit pictured is referred to as a DIP (dual-in-line package) IC.

a)

True

b)

False

3.

The two most popular digital IC families are CMOS and IIL.

a)

True

b)

False

4.

Caution must be used when handling CMOS ICs (such as those in the 4000 series family) so that static charges do not damage the integrated circuit.

a)

True

b)

False

5.

An important step in troubleshooting digital circuits using TTL ICs is to check each IC to make sure it has power to its V CC and GND pins.

a)

True

b)

False

6.

This is the logic symbol for the exclusive-NOR (XNOR) gate.

a)

True

b)

False

7.

In the figure shown, the unique output of this gate occurs when all inputs are ____.

a)

High

b)

Low

8.

In the figure, when both inputs to this gate are LOW, the output is ____.

a)

High

b)

Low

9.

In the figure, when both inputs to this gate are HIGH, the output is ____.

a)

High

b)

Low

10.

In the table, the four bits in the output column (top to bottom) of the truth table for the XNOR gate are ____.

a)

0111

b)

0110

c)

0001

d)

1001

11.

In the table, the output V4 on the truth table describes the 3-input ____ logic function.

a)

AND

b)

XOR

c)

NAND

d)

NOR

12.

This figure represents...

a)

A Quad, 2 input AND Gate

b)

A Quad, 2 input OR Gate

c)

A Hex, 2 input AND gate

d)

A Hex inverter.

13.

What type of logic is this table showing:

a)

AND

b)

OR

c)

NOT

d)

NOR

14.

What type of logic is this table showing:

a)

AND

b)

OR

c)

NOT

d)

NOR

15.

"The burglar alarm will go off if either the door or the window or both are opened". This is an example of which type of Logic?

a)

AND

b)

OR

c)

NOT

d)

NOR

16.

Which logic gate represented by this symbol?

a)

AND

b)

NOR

c)

XOR

d)

NAND

17.

Which logic gate represented by this symbol?

a)

AND

b)

NOR

c)

XOR

d)

NAND

18.

Which logic gate represented by this symbol?

a)

OR

b)

XNOR

c)

XOR

d)

NAND

19.

Which logic gate is represented by this truth table?

a)
b)
c)
d)
20.

Which logic gate is represented by this truth table?

a)
b)
c)
d)
21.

Which logic gate is represented by this truth table?

a)
b)
c)
d)
22.

How many different combinations of 1 and 0 are possible with 2 bits?

a)

2

b)

4

c)

6

d)

8

23.

Is the Truth Table an accurate representation of the circuit shown?

a)

Yes

b)

No

24.

The letters "LS" in the IC part number 74LS08 means this component is from the low power Schottky TTL subfamily of digital integrated circuits.

a)

True

b)

False

25.

This is the newer IEEE logic symbol for the NAND gate.

a)

True

b)

False

26.

Is the Truth Table an accurate representation of the circuit shown?

a)

Yes

b)

No

27.
What is the output of an OR gate if the inputs are 1 and 0?
a)
0
b)
1
c)
OFF
d)
2
28.
What is the output of an AND gate if the inputs are 1 and 0?
a)
ON
b)
2
c)
1
d)
0
29.
What is the output of a NOT gate if the inputs is 0?
a)
1
b)
0
c)
OFF
d)
2
30.
A NOT gate has…
a)
Two inputs and one output
b)
One input and one output
c)
One input and two outputs
d)
Two inputs and two outputs
31.
An OR gate has
a)
Two inputs and one output
b)
One input and one output
c)
One input and two outputs
d)
Two inputs and two outputs
32.
The output of any logic gate can have either of two _________ ?
a)
Gates
b)
States
c)
Inputs
d)
Outputs
33.
The output of a ________ gate is only 1 when both inputs are 1.
a)
OR
b)
NOT
c)
NAND
d)
AND
34.
What gate is this truth table for?
a)
AND
b)
OR
c)
NOT
d)
THE 
35.
A truth table lists every possible combination of input and the resulting output
a)
True
b)
False
36.

Which is the truth table for the AND gate?

a)
b)
c)
d)
e)
37.

Which is the truth table for the XOR gate?

a)
b)
c)
d)
e)
38.

Which truth table is correct for this logic gate?

a)
b)
c)
d)
e)
39.

Which is the truth table for this logic gate?

a)
b)
c)
d)
e)
40.

What will the AND gate's output be?

a)

0

b)

1

41.

What will the AND gate's output be?

a)

0

b)

1

42.

What will the AND gate's output be?

a)

0

b)

1

43.

What will the OR gate's output be?

a)

0

b)

1

44.

What will the OR gate's output be?

a)

0

b)

1

45.

What will the OR gate's output be?

a)

0

b)

1

46.

What will the OR gate's output be?

a)

0

b)

1

47.

What will the AND gate's output be?

a)

0

b)

1

48.
what is a output
a)
0
b)
1
49.

Which gate is represented by this boolean expression

a)

XOR

b)

OR

c)

XEOR

d)

EXNOR

50.

Which gate is represented by this boolean expression

a)

NAND

b)

NOT

c)

NOR

d)

NXOR

51.

Which logic gate is represented by Q = A + B

a)

AND

b)

OR

c)

NOR

d)

NAND

52.

In the table, the output V4 on the truth table describes the 3-input ____ logic function.

a)

AND

b)

XOR

c)

NAND

d)

XNOR

53.

In the table, the output V1 on the truth table describes the 3-input ____ logic function.

a)

AND

b)

XOR

c)

NAND

d)

XNOR

54.

A . B = Y Is the Boolean expression for the ______ Function.

a)

OR

b)

AND

c)

XOR

d)

NAND

e)

NOR

55.

A + B = Y Is the Boolean expression for the ______ Function.

a)

OR

b)

AND

c)

XOR

d)

NAND

e)

NOR

56.

A ⊕ B = Y Is the Boolean expression for the ______ Function.

a)

OR

b)

AND

c)

XOR

d)

NAND

e)

XNOR

57.

(A ⊕ B)' = Y Is the Boolean expression for the ______ Function.

a)

OR

b)

AND

c)

XOR

d)

NAND

e)

XNOR

58.

The two types of gates that are called universal gates are...

a)

AND/OR

b)

NAND/NOR

c)

AND/NAND

d)

OR/NOR

59.

The circuit shown is equivalent to an...

a)

AND Gate

b)

XOR Gate

c)

Or Gate

d)

NOR Gate

60.

The symbol shown is the IEEE symbol for a(n)...

a)

AND Gate

b)

Or Gate

c)

NOR Gate

d)

XOR Gate

61.

The symbol shown is the IEEE symbol for a(n)...

a)

AND Gate

b)

Or Gate

c)

NOR Gate

d)

XOR Gate

62.

The symbol shown is the IEEE symbol for a(n)...

a)

AND Gate

b)

XOR Gate

c)

NOR Gate

d)

NAND Gate

63.

The symbol shown is the IEEE symbol for a(n)...

a)

NAND Gate

b)

XOR Gate

c)

NOR Gate

d)

XNOR Gate

64.

The symbol shown is the IEEE symbol for a(n)...

a)

NAND Gate

b)

XOR Gate

c)

NOR Gate

d)

XNOR Gate

65.

The symbol shown is the IEEE symbol for a(n)...

a)

NAND Gate

b)

OR Gate

c)

NOR Gate

d)

NOT Gate

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