COMPUTER FUNDAMENTALS

DATA REPRESENTATION AND NUMBER SYSTEMS

BINARY OCTAL DECIMAL AND HEXADECIMAL NUMBER SYSTEMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The highest digit in Hexadecimal is ____
A
15
B
14
C
E
D
F
Explanation: 

Detailed explanation-1: -For example 8’s complement of hexadecimal number 2020 is (FFFF-2030) + 1 = DFDF + 1 = DFE0. Please note that maximum digit of hexadecimal number system is F(=15), so addition of F+1 will be 0 with carry 1.

Detailed explanation-2: -You see, in the hexadecimal system, each digit needs to represent the values 0-15, but the decimal numbers 10-15 don’t fit into a single digit. To work around that, the hexadecimal system uses the letters Astart text, A, end text-Fstart text, F, end text to represent the numbers 10-15.

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