4. https://en.m.wikibooks.org/wiki/A-level_Computing/AQA/Computer_Components,_The_Stored_Program_Concept_and_the_Internet/Fundamentals_of_Computer_Systems/Generations_of_programming_language
Every character, number, or symbol on the keyboard is represented as a binary number in computer memory.
Answer:
A, D, E
Explanation:
Diaries, photographs, and speeches are all forms of primary sources, whereas biographies and newspaper articles are written by a secondary source.
<h3>An attribute is a characteristic.In a data base management system,an attribute refers to a database component,such as a table.It also may refer to a database field.</h3>
