history of computers Flashcards
what does a hard drive hold?
long term memory
what are cores?
the number of processors on each chip (cpu)
gigahertz
billions of processes per second
tera
trillion
byte
basically letter on keyboard
rpm
rotations per minute
rpm rates
5400, 7200, 10000, 15000
do solid state drives (ssd) have moving parts?
no
what drives are much faster?
ssd
if you were to purchase a hard drive, what is the minimum ssd?
1 terabyte
what is ram?
short term memory
giga
billion
types of ram
ddr, ddr2, ddr3, ddr4, ddr5
what does ddr stand for?
double data rate
what is ram speed measured in?
megahertz
mega
millions
hertz
number of times per second
what is the minimum amount of ram to purchase?
8 gigabytes of ddr4
what are the two videocard brands?
ati and nvidia
what is gpu
graphics processor
what is video memory measured in?
megabytes
what is the minimum for a video card and brand to purchase?
4 gigabytes and either brand
what are the types of lcd monitors
fluorescent backgrounds
led backlights
what is the screen resolution for a monitor?
1024 x 768
1920 x 1280