A-Level Binary

Negative values are represented in binary using a method called..?

In two's compliment if the MSB is 0 the number is..?

• positive

• negative

• non-existent

• 3

In two's compliment if the MSB is 1 the number is..?

• positive

• negative

• non-existent

• 3

Compared to positive binary numbers, how many different numbers can be represented using two's complement?

• the same amount

• more

• less

What is -50 in binary?

What is 10001000 in denary?

(using two's complement)

What is 101 + 111 ?

(not two's complement)

What is 10110 + 10111 ?

(not two's complement)

What is 45 in binary?

What is 00101101 in denary?