Conversions

Question 1

What are the placeholders for converting Binary to Decimal and vice versa?

Answer 1

1 2 4 8 16 32 64 128 from right to left

Question 2

Memorise

Answer 2

Binary      	Hex
0	                  0
1	                  1
10	                  2
11	                  3
100	                  4
101	                  5
110	                  6
111	                  7
1000	          8
1001  	          9
1010	                  A
1011	                  B
1100           	  C
1101	                  D
1110	                  E
1111	                  F
10000	         10
100000	        20
1000000	40
10000000	80
100000000	100

Question 3

How do you convert Hex to Binary?

Look in book for help

Answer 3

1. Split it into a table formation
2. Find the decimal (denary) numbers for each Hex number
3. Write the binary underneath
4. Take away the table and write the binary combined as you see it without the table.

Question 4

How do you convert Hex into Decimal (denary)?

Answer 4

1. Convert into binary

2. Use placeholders to convert back to Decimal (denary)

Question 5

How do you convert Binary to Hex?

Answer 5

1. Split the binary number down the middle or so it is in four bit segments.
2. Convert each binary segment into Hex.

Question 6

How do you convert Decimal (denary) to Hex?

Answer 6

1. Convert to binary.

2. convert binary to Hex