The discriminant of a quadratic equation is given below. Find the value of $c$ that guarantees the equation has exactly one real root. \[ 8^{2}-4 \times 8 \times c \]

Step 1 ：The discriminant of a quadratic equation is given by the formula \(b^{2}-4ac\). If the discriminant is equal to zero, the quadratic equation has exactly one real root. Therefore, we need to solve the equation \(8^{2}-4 \times 8 \times c = 0\) for c.

Step 2 ：Solving the equation gives us \(c = 2\). This means that if \(c = 2\), the quadratic equation will have exactly one real root.

Step 3 ：Final Answer: \(\boxed{2}\)