Data And Information Flashcards
1
Q
What is data on a computer stored as
A
As numbers which consists of 0s and 1s
Computer memory is made up of electronic components which can either be on (1) or off (0)
2
Q
Central Processing Unit
A
CPU
Brain of computer
Everything that goes on inside your system goes through the CPU
Usually a cooling fan on top of it
3
Q
Read only memory
A
ROM
Computer memory chips containing permanent or semi-permanent data
Non volatile - even after you turn off your computer the contents of ROM will remain
Once data is written it cannot be removed
4
Q
Arithmetic Logic Unit
A
Digital circuit
Performs arithmetic and logic operations
The CPU tells the ALU what operation to perform
