4.
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An expression that represents a numeric value. Other types of expressions can represent character or Boolean values.
We need signed integers in order to represent both negative and positive values. However, some numbers can never be negative. For instance, the size of a file must always be greater than or equal to zero so we use unsigned integers to represent file sizes. Also, natural numbers must be greater than 0 so there's no point in using a signed value to represent a natural number. Signed integers also use one bit to denote the sign, but unsigned integers do not thus unsigned integers can effectively represent twice the range of positive values than an unsigned integer can. For instance, an 8-bit signed value can represent values in the range -128 to +127 using twos complement notation, but an 8-bit signed value can represent values in the range 0 to 255.
No. In most programming languages int is a keyword used to represent integer numeric values.
Scan the postfix expression from left to right and count the number of values and the number of operators. The maximum value of their difference is the required stack size. Eg: 1 2 3 + 4 + * 1 2 3 2 3 2 1 The maximum is 3.
1111111111111111 (216 - 1 = 65535)
4 bits
4
They can represent values in cells. They also can represent columns (letters) and rows (numbers).
No because they represent two different values
Two: '0' or '1'
1. A single bit can represent two different values, 0 and 1. Then simply take the largest of those two possible values, 1, and that's your answer.
No. The range is the maximum value less the minimum value. If all the values are different, the maximum must be different from the minimum. Consequently, the max minus min must be greater than zero.
Range.
The range
The different digits have different values.
There are 256 possible values (or characters) in 8 bits.
You can represent values using variables. This can only be done with whole numbers.