Pearson Edexcel IGCSE · Computer Science

Logic: Practice Questions

5 multiple-choice questions marked as you go, and 1 written questions with worked solutions. All on Logic.

6 questions8 marksFree, no account

Question 1

1 mark

What is the output of a two-input AND gate when both Input A and Input B are set to \( 1 \)?

Question 2

1 mark

What is the final output of the logic statement \( (A \text{ OR } B) \text{ AND } \text{NOT } A \) when \( A=0 \) and \( B=1 \)?

Question 3

1 mark

A logic circuit has three inputs: \( A, B, \) and \( C \). Inputs \( A \) and \( B \) are fed into an AND gate. The output of that gate and input \( C \) are then fed into an OR gate. Finally, the output of the OR gate is passed through a NOT gate. Which expression represents the final output?

Question 4

1 mark

In logic, if the input to a NOT gate is \( 0 \), what will the output be?

Question 5

1 mark

Which logic statement will produce an output of \( 1 \) only when input \( A \) is \( 1 \) and input \( B \) is \( 0 \)?

Question 6

3 marks

Consider a logic statement where the output is determined by the expression: (NOT A) OR B.
Determine the output value when input A is set to \( 1 \) and input B is set to \( 0 \).

Write your answer out first, then check it against the worked solution.

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