Keywords
Units of storage
An recap into how data is represented for processing & storage
TEXTASCIIEvery character on a keyboard has to be converted into binary for processing, storing and displaying.
A standard character set was introduced in the 1960s. This character set is still in use today and is known as .......ASCII |
Sending messages in binary!
What does this binary say? Use www.rapidtables.com/convert/number/binary-to-ascii.html to find out.
01010100 01100101 01111000 01110100 00100000 01101001 01110011 00100000 01100011 01101111 01101110 01110110 01100101 01110010 01110100 01100101 01100100 00100000 01110100 01101111 00100000 01100010 01101001 01101110 01100001 01110010 01111001 00100000 01100010 01111001 00100000 01100110 01101001 01110010 01110011 01110100 00100000 01100010 01100101 01101001 01101110 01100111 00100000 01100011 01101111 01101110 01110110 01100101 01110010 01110100 01100101 01100100 00100000 01101001 01101110 01110100 01101111 00100000 01101110 01110101 01101101 01100010 01100101 01110010 00100000 01100011 01101111 01100100 01100101 01110011 00101110 00100000 01000101 01100001 01100011 01101000 00100000 01100011 01101000 01100001 01110010 01100001 01100011 01110100 01100101 01110010 00100000 01110101 01110011 01100101 01110011 00100000 00111000 00100000 01100010 01101001 01110100 01110011 00101100 00100000 01101111 01110010 00100000 00110001 00100000 01100010 01111001 01110100 01100101 00101100 00100000 01101111 01100110 00100000 01100100 01100001 01110100 01100001 00101110 |
You can use an online text-binary converter to create 'secret' messages to email your friends. Like the one on the right which was created using www.rapidtables.com/convert/number/ascii-to-binary.html
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How many bits and bytes?
2. Now go to the Documents folder and check the file size. You can do this by right-clicking on the file (don't open it yet!) and choosing Properties. Make a note of the file size in bytes.
3. Open the file and count the characters in the file - that is, all the key presses used to type the sentences. How many characters are in the file? 4. Complete the form below. |