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What is arithmetic expression . mention different types of arithmetic expressions?
An expression that represents a numeric value. Other types of expressions can represent character or Boolean values.
Why do you need signed and unsigned integer?
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.
What is an analog address?
An analog address is a reference point used in analog systems to identify specific locations or values within a continuous range, such as voltage levels or physical positions. Unlike digital addresses, which represent discrete values, analog addresses can vary smoothly and can represent an infinite number of states. They are commonly used in applications like analog signal processing, where signals vary continuously over time.
Minimum size of stack to evaluate postfix expression?
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.
What is the Largest 16 bit number?
1111111111111111 (216 - 1 = 65535)
If a binary number needs to represent 16 different values how long must the number be in bits?
4 bits
If a binary number needs to represent 10 different values how long must the numbers be in bits?
4
What is the minimum number of bits required to represent 256 colors?
To represent 256 colors, you need a minimum of 8 bits. This is because 2^8 equals 256, meaning each of the 256 possible values can be represented by an 8-bit binary number. Each bit can be either 0 or 1, allowing for a total of 256 unique combinations.
How many values can represent a 4-bit?
A 4-bit binary number can represent (2^4 = 16) different values. This range includes all combinations of 0s and 1s that can be formed with four bits, ranging from 0000 (0 in decimal) to 1111 (15 in decimal). Thus, the values it can represent are 0 through 15.
What do letters and number represent in Microsoft Excel?
They can represent values in cells. They also can represent columns (letters) and rows (numbers).
What is it called when you use a letter for a number?
Using a letter to represent a number is known as a variable in mathematics. Variables are commonly used in algebra to represent unknown values and can take on different numerical values depending on the context of an equation or expression. For example, in the equation (x + 2 = 5), the letter (x) serves as a variable representing an unknown number.
If you have a data set consisting of 1000 values that are different can the range be zero?
No, the range of a data set is calculated as the difference between the maximum and minimum values. If you have 1000 different values, the maximum and minimum will be distinct, resulting in a positive range. Therefore, the range cannot be zero in this scenario.
What is the largest number that can be represented by a single bit in binary?
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.
How many different values can 1 bit represent?
Two: '0' or '1'
Could 9.10 be written as 9.01?
No because they represent two different values
Is the range zero in a data set consisting of 1000 values that are all different?
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.
What is the name for the difference between the minimum and the maximum values in the 5-number summary?
Range.
