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Computer Science - Coggle Diagram
Computer Science
CPU
Central Processing Unit
executes all the instructions
Fetch
Decode
Execute
Contains Registers
MAR
MDR
ACC
Busses
IDE's
Integrated Design Environment
Has all of the required tools to produce code
Debugger
Editor
syntax highlighting
Aut-complete
Visual studios
PyScripter
RAM
Volatile
looses memory without power
Frequently accessed data
When full virtual memory is used
Programming
(section B)
Use Python if it says Exam Reference Language
SQL
structures query language
SELECT
field
FROM
table
WHERE
variable
=
variable
Retrieves data from a database
Languages
High level
Close to english
Must be translated
Compiler
translates as one big chunk
Interpreter
translatesline-by-line
Python
C++
Java
Low level
Looks like gibberish
Binary code
Can only be used on one machine
No translation
machine code
Operating system
System Software
Controls all aspects through managers
Device
Memory
User
File