Under signed bit the range of char varies from?Options-127 to +128-128 to +127-255 to 00 to +255
Question
Under signed bit the range of char varies from?
- Options:
- 127 to +128
- -128 to +127
- -255 to 0
- +255
Solution
To determine the range of a signed char in C or similar programming languages using signed bit representation, let's analyze the question step by step.
Break Down the Problem
- We need to find the range of a signed char.
- Consider the possible values of a signed char.
- Evaluate the given options to identify the correct range.
Relevant Concepts
- In a signed 8-bit char, 1 bit is used for the sign (positive or negative), and 7 bits are used for the value.
- The maximum value for 7 bits is .
- The minimum value is .
Analysis and Detail
- The range of signed char can be calculated as follows:
- Minimum value: -128 (representing )
- Maximum value: +127 (representing )
- Therefore, the range of a signed char is from -128 to +127.
Verify and Summarize
- We confirmed the calculations are accurate.
- The range from -128 to +127 aligns with the properties of signed 8-bit integers.
Final Answer
The range of a signed char is -128 to +127.
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