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4-bit Number Range Calculator

Analyze the 4-bit nibble register range: signed -8 to +7 and unsigned 0 to 15. Designed for software developers, electrical engineers, students, and computer architecture researchers requiring deterministic client-side accuracy.

Engine: Client-Side Verified (0ms Latency)

Enter a 4-bit binary string or decimal value between -8 and 15.

Calculated Output

Primary Representation
Calculating...

Step-by-Step Mathematical Proof

Active Derivation
Ready. Enter input above to generate derivation.
Concept

What Is 4-bit Number Range Calculator?

A 4-bit register (one nibble) can store exactly 2^4 = 16 unique values. This tool provides an exhaustive breakdown of all 16 states.

Methodology

How Does It Work?

Evaluates inputs in an 4-bit register. Signed range is -8 to +7; unsigned range is 0 to 15.

Formula & Rules

Mathematical Algorithm

\text{Signed: } [-8, 7], \quad \text{Unsigned: } [0, 15]
Worked Problem

Step-by-Step Example

Binary 1101 in 4-bit: Unsigned: 8 + 4 + 0 + 1 = 13 Signed (Two’s Complement): -8 + 4 + 1 = -3.

Important Rules & Edge Cases

  • Total states: 16.

Practical Applications in Engineering

  • BCD arithmetic nibbles.
  • Microcontroller half-carry flags (Auxiliary Carry AF).

Common Mistakes to Avoid

  • Caution: Attempting to store values > 15 or < -8.
FAQ

Frequently Asked Questions

What is a 4-bit unit called?

A 4-bit unit is called a nibble (or nybble).