Answer:
D
Explanation:
I got it correct on my test.
B. a printer is considered hardware because it physiclly exists
Answer: this is the Answer your question
Characteristics
based on vaccum tubes
they were large,slow,low capacity
Magnetic drums for primary memory
used mll
input punched cards and output printsout
expensive
get heated faster
eg. ENIAC,UNIVAC
Server
i know it will be server
The operating system
