Bits and Bytes

1. Digit: A digit is a single place that can hold numerical values between 0 and 9. Digits are normally combined together in groups to create larger numbers.

2. Base 10: the base-10 number system is known as the decimal number system represents any value with the digits from 0-9.

3. Bit: The word bit orginates from binary digit.

4 Examine the tables below:

 4, 321 would be written as:
(4*1000) + (3*100) + (2*10) + (1*1) = 4000+300+20+1

21: 10101
24: 11100
30: 11110







5: What is a byte?  A group of binary digits or bits (usually eight) operated on as a unit.

6: How many bytes in a kilo, mega, giga and tera bytes.

kilobyte- 1,024

megabyte- 1,048,576

gigabyte- 1,073,741,824

terabyte- 1,099,511,627,776