Binary

Question 1

What are the 8 bit digits?

Answer 1

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

Question 2

What is 255 in binary

Answer 2

11111111

Question 3

What is the denary number for 111111111

Answer 3

255

Question 4

How do you work out the binary number

Answer 4

you take away the digits from each bit if the number is bigger than the decimal number

Question 5

How do you work out the denary number

Answer 5

you add all the digits that have a 1

Question 6

what are the first 4 digits in binary

Answer 6

8, 4, 2, 1

Question 7

What are the first 6 binary digits?

Answer 7

32, 16, 8, 4, 2, 1

Question 8

What are the units in order from smallest to largest?

Answer 8

a bit, a byte, a kilobyte, a megabyte, a gigabyte, a terrobyte

Question 9

What are the bytes order in backwards order from biggest to smallest?

Answer 9

a terrobyte, a gigabyte, a megabyte, a kilobyte, a byte, a bit

Question 10

what is the denary number for 10000001

Answer 10

129

Question 11

What is the denary number for 01100011

Answer 11

99

Question 12

What do you do if you need to carry a 1

Answer 12

carry the 1 to the next column

Question 13

what base is hexadecimal?

Answer 13

base 16
hex- 6
decimal- 10
10+6=16

Question 14

What is the order for base 16

Answer 14

0-0
1-1
2-2
3-3
4-4
5-5
6-6
7-7
8-8
9-9
10-A
11-B
12-C
13-D
14-E
15-F
16-G

Question 15

what is base 2

Answer 15

1, 2, 3, 4

Question 16

in binary shift what do you do when you x2 the binary number

Answer 16

shift it once to the left

Question 17

in binary shift what do you do when you x4 the binary number

Answer 17

shift it twice to the left

Question 18

in binary shift what do you do when you x8 the binary number

Answer 18

move the binary number 3 times to the left

Question 19

what do you put in when you shift a binary number

Answer 19

you add a zero

Question 20

what is the modules

Answer 20

the number which is the remainder and the second part of the hexadecimal nuber

Question 21

in python what can you type to find the hexadecimal number

Answer 21

print(a%16)
print(a//16)

a= the decimal/denary number

Question 22

how do you convert a decimal number into a hexadecimal number

Answer 22

divide the denary/decimal number by 16 and the the remainder is your second part of the hexadecimal number and the first number is the first part of the hexadecimal number

Question 23

how many bits are in a byte

Answer 23

8

Question 24

how many bytes are in a kilobyte

Answer 24

1024 bytes

Question 25

how many kilobytes are in a megabyte

Answer 25

1024 kilobytes

Question 26

how many megabytes are in a gigabyte

Answer 26

1024 megabytes

Question 27

how many gigabytes are in a terabyte

Answer 27

1024 gigabytes

Question 28

what base is binary

Answer 28

base 2

Question 29

in binary shift what do you do when you /8 the binary number

Answer 29

move the binary number 3x to the right

Question 30

in binary shift what do you do when you /4 the binary number

Answer 30

move the binary number 2x to the right

Question 31

in binary shift what do you do when you /2 the binary number

Answer 31

move the binary number 1x to the right