Today's class was about computer number systems: binary, octal, and hexadecimal. Addition and subtraction methods were also discussed.

Homework:

1. (The numbers in this equation are all binary) 10101 + 1000110 + 111 = ?

2. (The numbers in this equation are all binary) 10001 - 111 = ?

3. (The numbers in this equation are all octal) 7 + 7 - 3 = ?

1. 10101 + 1000110 + 111 = 1101010

2. 10001 - 111 = 1010

3. 7 + 7 - 3 = 16 - 3 = 13

1. 1100010 2. 1010 3. 13

Before each class, I'll be posting the answers to homework.

I posted this homeworkanswers2 days early ignore that1100010(binary)1010(binary)13(octal)1100010 (binary)

1010 (binary)

13 (octal)

1100010

1010

13

1100010

1010

13

1100010 (base 2)

1010 (base 2)

13 (base 8)