Bits and Bytes

For this activity, we are to go to the website:

http://computer.howstuffworks.com/bytes.htm/printable



and read about bits and bytes.



Q1) Digit- A digit is a single place that holds any number between 0-9.

Digits are combined to form bigger numbers such as 57646, which contains 5 digits.



Q2) Base-10- Also known as the decimal number system. It is a numerical system in the powers of 10.



Q3) Where does the word BIT originate from?

Bit is shortening of the two words: Binary digIT.



Q4) If 6,357 can be written as;
(6 * 1000) + (3 * 100) + (5 * 10) + (7 * 1) = 6000 + 300 + 50 + 7
How would you write 4,321 ?

(4 * 1000) + (3 * 100) + (2 * 10) + (1 * 1)



Q5) 10100 (base 2) = (1 x 16) + (1 x 4) = 20 (base 10)

Write the following numbers in binary (base 2)

21- 10101

24- 11000

30- 11110

Q6) What is a byte?
A Byte is 8 bits.

Q7) How many bytes in a kilo, mega, giga and tera bytes?

Kilo- 1024
Mega- 1,048,576
Giga- 1,073,741,824
Tera- 1,099,511,627,776

Mini Project..

I think I've got enough information, but it's hard to find some for legal responsibilites of those maintaining the database..

Mini Project: Social Issues related to databases

The people in our group are Reshma, Kirsten and me.
The social issue that we're going to research is "Identity Fraud".
I'll be doing questions:

4. Describe some of the ways in which this data can be misused.
6. What are the legal responsibilities of those maintaining the database?