Logic Gates

Question 1

What is a logic gate?

Answer 1

The LOGIC that every computer has to follow from the inside

Question 2

What does a ‘not’ Gate do?

Answer 2

It reverses the input

Question 3

What does an ‘and’ gate do?

Answer 3

If both inputs are 1, then the output will be 1. If not then the output will be 0

Question 4

What does an ‘or’ gate do?

Answer 4

If both or one of the inputs are 1, then the output will be 1, if not then the output will be 0

Question 5

What does a ‘XOR’ gate do?

Answer 5

If one or the other inputs are 1, the output will be 1. If both are 1, the output will be 0

Question 6

How do you convert denery to binary?

Answer 6

Draw a table with the numbers:128,64,32,16,8,4,2,1

Get all the numbers that can add up to the denery number you want

When you find all of them, put 1s one the ones that you need to add up to the denery number but put 0s on the ones you dont need

Question 7

How do you convert binary to deanery?

Answer 7

Write 128,64,32,16,8,4,2,1

And underneath, plot the ones and zeroes underneath the numbers

Add up all the numbers that have a 1– ignore the 0

Question 8

How do you convert hexadecimal to binary?

Answer 8

Plot 8,4,2,1 (plot it multiple times if there are multiple numbers)
For example if im trying to find A:

8=1,4=0,2=1,1=0
The reason why is because these numbers add up to 10

Question 9

What does A,B,C,D,E,F in hexadecimal mean?

Answer 9

A=10
B=11
C=12
D=13
E=14
F=15

Question 10

How to convert denery to hexadecimal?

Answer 10

Convert the number to binary– then plot the numbers into
8,4,2,1 and then 8,4,2,1 again
Then add all the numbers that have a one together, but dont combine both columns’ answer, instead just put the numbers together

If the number is over 9 refer to the previous card

Then you have the hexadecimal