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Why do you use octal and hexadecimal number system as shortcut notation?
Memory dump which are in binary numbers would have many numbers of 0s and 1s. working with these numbers would be very difficult. Hence two number system hexadecimal and octal number system is used because these numbers are inter convertible with binary numbers by the concept of bits.
How do you express the number 2 in binary?
Binary code means that only whole integers up to 2 (0=<x<2), excluding two can be used. Binary basically makes all even numbers 0 (or false) and odd numbers 1 (or true) The number "2" in binary is "0"
Is this number 2.247.000 rational or irrational?
We don't understand a number with two decimal points in it. If you mean the number that we would write with commas in the US: 2,247,000 then that number is rational.
What is the largest decimal value that can be represented in binary using two bytes?
11b which is 1*2 + 1*1 = 3 would be for two bits. But a byte is 8 bits, so 2 bytes is 16 bits. The largest binary number is [2^16 - 1], which is 65535 (base ten)
What is the decimal equivalent to 1011 0111?
11 and 7 (if you mean two separate 4-digit binary numbers) or 227 as one 8-digit binary number.
