history of computers Flashcards
1
Q
what does a hard drive hold?
A
long term memory
2
Q
what are cores?
A
the number of processors on each chip (cpu)
3
Q
gigahertz
A
billions of processes per second
4
Q
tera
A
trillion
5
Q
byte
A
basically letter on keyboard
6
Q
rpm
A
rotations per minute
7
Q
rpm rates
A
5400, 7200, 10000, 15000
8
Q
do solid state drives (ssd) have moving parts?
A
no
9
Q
what drives are much faster?
A
ssd
10
Q
if you were to purchase a hard drive, what is the minimum ssd?
A
1 terabyte
11
Q
what is ram?
A
short term memory
12
Q
giga
A
billion
13
Q
types of ram
A
ddr, ddr2, ddr3, ddr4, ddr5
14
Q
what does ddr stand for?
A
double data rate
15
Q
what is ram speed measured in?
A
megahertz
16
Q
mega
A
millions
17
Q
hertz
A
number of times per second
18
Q
what is the minimum amount of ram to purchase?
A
8 gigabytes of ddr4