Question: (a) Numeric constants may be signed or unsigned in a programming language (e.g., 123 is an unsigned integer constant, but -123 is a signed integer

(a) Numeric constants may be signed or unsigned in a programming language (e.g., 123 is an unsigned integer constant, but -123 is a signed integer constant). However, there is a problem associated with signed constants. Describe it. (Hint: Consider expressions involving subtraction.)

(b) Can you think of a solution to the problem of part (a)?

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