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Question 1 of 10

1. Question
Why do computers use the binary number system?
- Only the digits 1 and 0 will fit into the registers of a CPU
- Computers are made up of switches which only have two states, they therefore cannot represent any more than 2 digits
- The number system enables calculations to be carried out far faster than that of denary
- Binary is a superior number system to all others
Correct

Incorrect
Question 2 of 10

2. Question
State the output (Q) when the following inputs are: A = 0 B = 1 C = 0
- 0
- 1
Correct

Incorrect
Question 3 of 10

3. Question
State the output (Q) when the following inputs are: A = 0 B = 1 C = 1
- 0
- 1
Correct

Incorrect
Question 4 of 10

4. Question
State the output (Q) when the following inputs are: A = 1 B = 1 C = 0
- 0
- 1
Correct

Incorrect
Question 5 of 10

5. Question
What is the expression of logic circuit 1 if its inputs are labelled a, b, c... and output is labelled Q?
- Q = A AND (NOT B)
- Q = (A OR B) AND C
- Q = NOT (A AND B)
- Q = (NOT A) AND B
- Q = A OR ( (NOT B) AND C )
- Q = A AND (NOT (B OR C))
Correct

Incorrect
Question 6 of 10

6. Question
What is the expression of logic circuit 2 if its inputs are labelled a, b, c... and output is labelled Q?
- Q = A AND (NOT B)
- Q = (A OR B) AND C
- Q = NOT (A AND B)
- Q = (NOT A) AND B
- Q = A OR ( (NOT B) AND C )
- Q = A AND (NOT (B OR C))
Correct

Incorrect
Question 7 of 10

7. Question
What is the expression of logic circuit 3 if its inputs are labelled a, b, c... and output is labelled Q?
- Q = A AND (NOT B)
- Q = (A OR B) AND C
- Q = NOT (A AND B)
- Q = (NOT A) AND B
- Q = A OR ( (NOT B) AND C )
- Q = A AND (NOT (B OR C))
Correct

Incorrect
Question 8 of 10

8. Question
What is the expression of logic circuit 4 if its inputs are labelled a, b, c... and output is labelled Q?
- Q = A AND (NOT B)
- Q = (A OR B) AND C
- Q = NOT (A AND B)
- Q = (NOT A) AND B
- Q = A OR ( (NOT B) AND C )
- Q = A AND (NOT (B OR C))
Correct

Incorrect
Question 9 of 10

9. Question
What is the expression of logic circuit 5 if its inputs are labelled a, b, c... and output is labelled Q?
- Q = A AND (NOT B)
- Q = (A OR B) AND C
- Q = NOT (A AND B)
- Q = (NOT A) AND B
- Q = A OR ( (NOT B) AND C )
- Q = A AND (NOT (B OR C))
Correct

Incorrect
Question 10 of 10

10. Question
What is the expression of logic circuit 6 if its inputs are labelled a, b, c... and output is labelled Q?
- Q = A AND (NOT B)
- Q = (A OR B) AND C
- Q = NOT (A AND B)
- Q = (NOT A) AND B
- Q = A OR ( (NOT B) AND C )
- Q = A AND (NOT (B OR C))
Correct

Incorrect

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