Question

How many options does binary digits have?

A Two Correct Answer Incorrect Answer
B One Correct Answer Incorrect Answer
C Three Correct Answer Incorrect Answer
D It depends on the speed of the computer. Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

There are just two options: 0 or 1. A 2-bit system uses combinations of numbers up to two place values (11). There are four options: 00, 01, 10 and 11. A 1-bit image can have 2 colours, a 4-bit image can have 16, an 8-bit image can have 256, and a 16-bit image can have 65,536.

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