Why do we use Karnaugh maps, laws and rules to simplify Boolean expressions?

So that the resulting logic can be implemented using a minimum number of physical logic gates

To reduce the cost of building physical circuits

In order to get rid of redundant parts of Boolean expressions

Which of the following is a valid rule when working with Karnaugh maps?

Every binary '1' doesn't have to included in a group

Every binary '0' has to be included in a group

Overlapping groups are not allowed

Which of the following is a valid rule when working with Karnaugh maps?

Only 1 digit changes at a time in the headings: 00, 01, 11, 10

The headings count down in binary: 11, 10, 01, 00

The heading digits should count up in binary: 00, 01, 10, 11

Which of the following is a valid rule when working with Karnaugh maps?

Groups must be made up of 2n binary '1's. e.g. groups of 1, 2, 4, 8 etc.

Groups can be made up of any number of binary '1's

Groups should be as small as possible

Every binary '0' has to be included in a group

Which of the following is a valid rule when working with Karnaugh maps?

Every binary '0' has to be included in a group

Wrap around groups are not allowed

Which of the following is a valid rule when working with Karnaugh maps?

Group binary '1's in rectangles or squares

Group binary '1's in squares only

Which of the following is a valid rule when working with Karnaugh maps?

Make groups as large as possible

Aim for the largest number of groups

Make groups as small as possible

Make groups of 1, 3, 5 or more 1s

What is a full adder circuit?

A circuit which can add together two input variables and a carry bit from another addition

A circuit which can only add together two input variables

A circuit which can be viewed as a memory and has two stable states

A circuit which can control the timing of clock pulses on your processor

What is a half adder circuit?

A circuit which can only add together two input variables

A circuit which can control the timing of clock pulses on your processor

A circuit which can be viewed as a memory and has two stable states

A circuit which can add together two input variables and a carry bit from another addition

What is a D type flip flop circuit?

A circuit which can be viewed as a memory unit and has two stable states

A circuit which can add together two input variables and a carry bit from another addition

A circuit which can only add together two input variables

A circuit which can control the timing of clock pulses on your processor

How is a D type flip flop circuit triggered?

By the rising edge of a clock pulse

By the falling edge of a clock pulse

H446.1.4.1.CD Quiz: 135 Practice Questions (Grade 12)

135 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the output from the Boolean expression: 1 ∧ 0?

10

0

1

11

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the output from the Boolean expression: 1 ∧ 1?

11

0

10

1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the output from the Boolean expression: 1 V 0?

0

11

10

1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the output from the Boolean expression: 1 V 1?

0

11

10

1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is NOT in the context of the expression, 'IF A AND NOT B THEN…'?

Wildcard

Assignment

Boolean operator

Arithmetic operator

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is OR in the context of the expression, 'WHILE A < 0 OR A > 3'?

Boolean operator

Arithmetic operator

Assignment

Wildcard

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is AND in the context of the expression, 'IF X AND Y THEN…'?

Arithmetic operator

Boolean operator

Assignment

Wildcard

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H446.1.4.1.CD

What is the output from the Boolean expression: 1 ∧ 0?

What is the output from the Boolean expression: 1 ∧ 1?

What is the output from the Boolean expression: 1 V 0?

What is the output from the Boolean expression: 1 V 1?

What is NOT in the context of the expression, 'IF A AND NOT B THEN…'?

What is OR in the context of the expression, 'WHILE A < 0 OR A > 3'?

What is AND in the context of the expression, 'IF X AND Y THEN…'?

What is an XOR?

If A = 0, B = 1, C = 0. What is the output from: A OR (B OR C)?

If A = 0, B = 1, C = 1. What is the output from: A OR (B AND C)?

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