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computer
noun
an
electronic
machine
that
can
store
,
process
,
and
display
information
following
a
set
of
instructions
•
Lena
typed
her
homework
on
her
new
computer
.
Lena
typed
her
homework
on
her
new
computer
.
•
At
the
library
,
a
boy
played
a
chess
game
on
the
public
computer
.
At
the
library
,
a
boy
played
a
chess
game
on
the
public
computer
.
formed
from
the
verb
“
compute
”
+
the
agent
suffix
“
-er
”;
first
used
for
people
who
perform
calculations
(
early
17th
c
.),
later
(
mid-20th
c
.)
for
electronic
machines
noun
a
person
whose
job
is
to
perform
mathematical
calculations
,
especially
before
electronic
machines
existed
•
In
the
1940s
,
a
computer
worked
with
a
slide
rule
to
calculate
flight
paths
.
In
the
1940s
,
a
computer
worked
with
a
slide
rule
to
calculate
flight
paths
.
•
Before
electronic
machines
existed
,
a
team
of
computers
checked
astronomical
tables
all
day
.
Before
electronic
machines
existed
,
a
team
of
computers
checked
astronomical
tables
all
day
.
earliest
use
(
1610s
)
referred
to
a
person
who
computes
;
the
electronic
sense
emerged
in
the
mid-20th
century
