Structure of Computers Flashcards
1
Q
Output Devices
A
Devices that the computer system uses to send out or display information from the processor
2
Q
RAM
A
Where running programs and open files are
Loses data when power is switched off
Found in main memory
3
Q
ROM
A
First programs to run when computer boots
Found in main memory
4
Q
Control Unit
A
Decodes and carries out machine code instructions to control all the other parts of the processor
5
Q
ALU
A
Performs all the calculations
6
Q
Registers
A
Temporary memory locations. They store locations to access – addresses, store data it needs to write to memory and store the results of calculations.
7
Q
Input device
A
Anything that is used to control a computer system or to send data to it
