Question | Answer |
What does a computer only understand? | Binary |
How is binary represented? | It is represented as 1 and 0. Each 1 or 0 is called a bit. |
What is a bit | A bit is a bit of data that is stored in computer systems and everything in a computer is binary. Each 1 or 0 (on or off) goes into a bit system. |
Why is a 8 bit system better than a 4 bit system? Why is it worse in ways? | It is better as you can make more combinations with the more bits you have. With a 4 bit system, the decimals can only be 15 but in a 8 bit it can go up to 255. It is worse in ways as it takes up more space. |
What is a nibble | A nibble is 4 bits |
What is a byte? | A byte is 8 bits and 4 nibbles |
What is a kilobyte? | 1024 bytes |
What is a mega byte? | A mega byte is 1024 kilobytes |
What is a gigabyte? | A gigabytes is 1024 megabytes. |
What is a terabyte? | A terabyte is 1024 gigabytes. |
Why do we use binary as character keys(e.g. e is 0100) | As the computers can only understand binary so every character has to be a specific binary. |
what is ASCII? | American Standard Code for Information Interchange, a set of digital codes representing letters, numerals, and other symbols, widely used as a standard format in the transfer of text between computers |
How do we convert decimal to binary? | We put it into a table of 1 ion the right and as we go left it keeps doubling. We put it into a table. For example, 5 is 101. |
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