Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
7 Cards in this Set
- Front
- Back
|
WHAT IS DATA? |
details that lack relevance & have no meaning - they can be numbers, words, images or sound |
|
|
WHAT DOES CODING DATA MEAN |
putting data into a shorter format |
|
|
WHY DO WE CODE DATA? |
- easier to type in - more data can appear on screen - takes up less storage space - easier to check if a code is accurate or not using validation checks |
|
|
WHAT IS ENCODING? |
putting data in a specified format that allows effective transmission or storage by an ICT system |
|
|
WHY BINARY CODE? |
ICT systems can only process data in binary code so any data has to be converted to this format |
|
|
GIVE AN EXAMPLE OF ENCODING |
ASCII - characters on a keyboard are changed into a series of 8 binary digits |
|
|
TRANSACTION |
a piece of business e.g.: an order or purchase |
