5.2 - Numbering systems

Question 1

What is base10

Answer 1

Decimal

Question 2

What is base2

Answer 2

Binary

Question 3

What is base8

Answer 3

Octal

Question 4

What is base16

Answer 4

Hexadecimal

Question 5

What are the digits of base10

Answer 5

0 to 9

Question 6

What are digits of base2

Answer 6

0 and 1

Question 7

What are the digits of base8

Answer 7

0 to 7

Question 8

What are the digits of base16

Answer 8

0 to F

Question 9

What is the LSD?

Answer 9

Least Significant Digit

Question 10

What is the MSD?

Answer 10

Most Significant Digit

Question 11

Where is the LSD

Answer 11

The digit to the far right of a number

Question 12

Where is the MSD

Answer 12

The digit at the far left of a number

Question 13

How do you write Binary Coded Decimal (BCD)

Answer 13

Converted digit by digit

Question 14

What is a shorthand method of representing three bit binary words

Answer 14

The octal system

Question 15

How do you convert Decimal to Binary?

Answer 15

Divide by two and write the remainder. Bottom never is the MSB

Question 16

How do you convert Binary to Decimal?

Answer 16

You add the base10 values

10111 = 23

Question 17

How do you convert Octal to Hexadecimal?

Answer 17

There is no direct conversion. You have too:

1. Convert Octal to Binary
2. Convert binary to Octal

Question 18

How do you convert Octal to Binary

Answer 18

Each Octal digit is converted to a 3 bit binary equivalent

Question 19

How do you convert Binary to Hexadecimal

Answer 19

You group the Binary bits into bits of fours starting on the right