FUNDAMENTALS OF COMPUTER

COMPUTER PROGRAMMING FUNDAMENTALS

WHAT IS PROGRAMMING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which number system is a base 16 and uses 0-9 and A-F?
A
Binary
B
Decimal
C
Hexadecimal
D
Java
Explanation: 

Detailed explanation-1: -The hexadecimal system contains 16 sequential numbers as base units, including 0. The first nine numbers (0 to 9) are the same ones commonly used in the decimal system. The next six two-digit numbers (10 to 15) are represented by the letters A through F.

Detailed explanation-2: -Software developers and system designers widely use hexadecimal numbers because they provide a human-friendly representation of binary-coded values. Each hexadecimal digit represents four bits (binary digits), also known as a nibble (or nybble).

Detailed explanation-3: -Hexadecimal is the name of the numbering system that is base 16. This system, therefore, has numerals 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, and 15. That means that two-digit decimal numbers 10, 11, 12, 13, 14, and 15 must be represented by a single numeral to exist in this numbering system.

Detailed explanation-4: -For example: 7B316, 6F16, 4B2A16 7 B 3 16, 6 F 16, 4 B 2 A 16 are hexadecimal numbers. A hexadecimal number system is also known as a positional number system as each digit has a weight of power 16. Each digit is 16 times more significant than the previous digit.

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