computer basics

how many processors does a microcomputer have and what is an example

one processor

laptop

how many processors does a minicomputer have and what are some examples

many microprocessors working together

CT, MRI

how many microprocessors does a mainframe have

hundreds/thousands

what is the 1st known computing device

abacus

how many bits are in a byte

8

how many bits & bytes do you need to create a single character

8 bits

1 byte

what does RAID stand for

redundant array of independent discs

what is a RAID

backup system with 2 or more hard drives that duplicate storage of same information

what is volatile

erasable

what is non volatile

physically not erasable

what is RAM

randon access memory

is ram or rom volatile

ram

what is ROM

read only memory

what is ADC

analog to digital converter

what are the 3 types of LANS

PACS, RIS, HIS

what is uploading

transmission sent from smaller computer to larger

what is downloading

sent from satellite or larger computer within network to smaller computer