denary, binary and hexadecimal w/ equations

Question 1

What is denary

Answer 1

base 10, 0->10

Question 2

What is binary represented as

Answer 2

base 2, 0->1, thought of as on/off

Question 3

what is data stored as

Answer 3

binary digits(bits)

Question 4

what is nibble

Answer 4

4 bits

Question 5

what is byte

Answer 5

8 bits

Question 6

what is kilobyte/kibibyte

Answer 6

1000 bytes/1024 bytes

Question 7

megabyte/mebibyte

Answer 7

100 kilobytes/1024 kibibytes

Question 8

what is first 4 in binary sequence

Answer 8

8,4,2,1

Question 9

what is 1010 in denary

Answer 9

10

Question 10

what base is hexadecimal

Answer 10

16—-0->0,10->a->f

Question 11

Why is it useful?

Answer 11

can represent a pattern of 4 bits in 1 hexdigit

Question 12

convert 31 into hexadecimal

Answer 12

1F how many times does 16 go into 31->1
how many times does 1 go into 15->15->f
16|1
1 |f

Question 13

convert 210 into hexadecimal

Answer 13

210

Question 14

27(hex) into decimal

Answer 14

216+17=39

Question 15

1101 in hex

Answer 15

1101–>decimal= 8+4+1=13

Question 16

b->binary

Answer 16

8|4|2|1

1|0|1 |1

Question 17

Advantages of Unicode

Answer 17

It can be the universal code for all computers