A1 Flashcards
CPU is made up of
ALU (Arithmetic Logic Unit)
Control Unit
Describe the two types of Memory
RAM - Random access memory, working memory, temp storage, volatile
ROM - Read only Memory, Non volatile
BIOS
Basic Input Output System
A set of computer instructions in firmware that control input and output operations
Cache
form of fast RAM L1 cache inside CPU Chip L2 cache on the motherboard speed up the system Volatile
Function of the BIOS
upon start up checks I/O devices
Parallel port
25 pin to transfer data short distances
Serial port
7 pin to transfer data short distances
Bluetooth or IrDA
wireless technology for exchanging data
Plug and Play
Software automatically downloads, don’t have to restart the OS, CPU knows what to do
Internet
Interconnection of computers, servers, satellites, cables and hardware
MIDI
Musical instrument digital interface
Firewire
Camcorder, fast data transfer
URL
Uniform Resource Identifiers, URL
BUS
Physical link between CPU and devices
Connectivity
is the linkage of computers to other computers or servers