Binary, Denary and Hexadecimal

Question 1

Is 11010011 binary or denary?

Answer 1

Binary

Question 2

Is 265 binary or denary

Answer 2

Denary

Question 3

When changing binary to denary you…

Answer 3

Draw out the table, put ones and zeros under the numbers (in order) than add all the numbers with a one under it together.

Question 4

When converting denary to binary you have to…

Answer 4

Draw out the table, minus the numbers that fit into your denary number (in order) until you get to zero, putting a one under all the numbers that fit and a zero in the ones that don’t.

Question 5

From left to right, what are the numbers at the top of a binary to denary table.

Answer 5

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

Question 6

To convert hexadecimal to denary you have to…

Answer 6

Find the decimal number that is on the same row to hexadecimal number/letter. Do this for both digits of the hexadecimal. Than add the two denary numbers together.

Question 7

To convert hexadecimal to binary we have to…

Answer 7

Find the binary sequence that is on the same row as the hexadecimal number/letter. Put the sequence for the first digit first.