Integrated Science

Question 1

1An OR gate gives an output of 1 when

Easy

A. at least one input is 1 B. the inputs are equal C. only both inputs are 1 D. both inputs are 0

Question 2

2The output of a NOR gate with inputs A = 0, B = 0 is

Hard

A. 2 B. undefined C. 1 D. 0

Question 3

3A NOT gate with an input of 0 gives an output of

Easy

A. 0 B. 1 C. no output D. 2

Question 4

4A NAND gate gives an output of 0 only when

Easy

A. both inputs are 0 B. never C. one input is 1 D. both inputs are 1

Question 5

5Which single gate gives output 0 only when both inputs are 1?

Hard

A. NOR B. OR C. AND D. NAND

Question 6

6A truth table shows

Easy

A. the size of a chip B. the cost of a gate C. the voltage only D. all possible inputs and their outputs

Question 7

7The output of an OR gate is 1 when

Easy

A. at least one input is 1 B. both inputs are 0 C. both inputs must be 1 D. the inputs differ only