WAEC - Computer Studies (2020 - No. 44)

Digital signals can be represented by:

I. Binary Codes

Il.0 and 1

III. High and Low Which of the following options is correct?

l and Il only

I and lIl only

II and lIl only

I, Il and III

Digital signals can be represented by binary codes (I), the digits 0 and 1 (II), and high and low states (III).