Binary Numbers

How many different symbols (digits) are used in our everyday number system to count from zero to nine?

• 6

• 8

• 10

• 12

In our standard number system, what does the number '10' mean?

• One hundred

• One ten and zero ones

• Ten ones

• One and zero

If a number system only uses two digits, what are those digits?

• 0 and 1

• 1 and 2

• 0 and 2

• 1 and 10

In a number system that only uses the digits 0 and 1 (Base-2), how would you represent the quantity of two items?

• 2

• 11

• 10

• 01

In the number 256 (Base-10), what does the digit '5' represent?

• 5 ones

• 5 tens

• 5 hundreds

• 5 thousands

Which digits are used in the Base-2 number system?

• 0, 1, 2

• 0, 1

• 1, 2

• 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

In the Base-2 number 1010, what is the value of the leftmost digit '1'?

• One one

• One two

• One four

• One eight

What is the Base-10 value of the Base-2 number 101?

• 3

• 4

• 5

• 6